Broken disa valve. These engines used DISA to optimize .

Broken disa valve A stuck open DISA would perfectly define my issues. Not recommended, but I drove the car this way for about 6 months until it warmed up enough outside for me to do the repair. By the way, I talked DIY: One way to check if your DISA valve is going bad I was reading a couple threads in which members were asking how to check to see if the DISA valve was the cause of the tapping noise heard in the engine bay. I'm 99% sure the exhaust valve is a 330i feature, at least for the EU spec cars. Car runs better since the old one wouldn't hold the flap closed, I tried to mend the old one but the vacuum valve didn't pull it all the way My experience with my e83if it ain't broke don't fix it. I removed my intake manifold and I found the disa flap but unfortunately I didnt found the metalic pin. I just went ahead and got the GAS Golden DISA. It essentially acts as a switch to let more air into the combustion chamber depending on which part of the RPM band you are; the valve flap is closed < 3750 RPM to simulate long narrow intake runners for low-end torque and opens at 3750+ RPM to simulate short wide runners for top-end power. Join Date: Aug 2018. The installation begins by removing the actuator access cover. Looks the same as the videos above, but my car was tuned for DISAs at the time. Oil changed as well ; Car : 2008 BMW 328i. and the CEL is flashing. It's worth it getting the most updated version. Manifold runners are clean. It is important to review the status of this component Here are some of the most common symptoms you will experience with a faulty BMW DISA valve: The DISA valve is a plastic flap inside your car’s intake manifold. FWIW I replaced DISA last year with a cheap unit. As the DISA solenoid tries to open the 911-905 Air Intake Manifold Flap Adjuster Runner Control Unit Disa Valve For BMW E46 E39 E60 E83 E85 325i 325Ci 325xi 525i X3 Z4 (2. Will this cure our misfires? Thank you for you Hey everyone, my 2003 3. R. Drives: '07 335i Sedan. The problem with the disa valve is that the flapper valve, over time, can begin to degrade and turn round, the build up of oil and other BMW DISA Valve Repair Kit Rebuild Rattle Aluminium Fix Overhaul M54 2. That being said if you have the exhaust valve, there should be 2 vacuum lines running to the back of the manifold , the smaller He removed the disa valve, struggled to apply vacuum to it with a hand pump, and declared it defective. On the side of the intake manifold, it gives better torque at low revs by closing keeping the intake runner long. The valve utilizes a flap that can open and close to adjust the route length of air to the cylinder chamber. , makes a fantastic kit you would like. Smoke test was part of triage as well. Your superiority complex is horrendous. F40Model Year: 2019 + Previous Generations; F20 Also, check if the actuator on the DISA works as well because if it's broken you have to buy the whole unit. The DISA valve must open when the engine demands more air What Are the Symptoms of a Failing DISA Valve? When a DISA valve is not operating as it should, you may see any or all of the following symptoms while driving your BMW. You should be able to see the bellcrank from the side of the DISA and detemine if it is open or closed. At speeds below 3750 RPM, the solenoid valve is energized (with alternator voltage at the harness connector) and vacuum supplied from an accumulator closes the resonance flap (where the vacuum accumulator is apparently a one-way flap valve with a 1/16" entrance hole in the side of the DISA). Ok, I installed the new DISA valve and cleared my codes, and I am a happy camper. Functioning DISA valves are not possible to move by hand and are v About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Here is an example of a dead DISA unit from a Three Stage Intake Manifold found on a 2006 BMW 330i. Appreciate 0 Quote 06-17-2021, 12:11 AM #3: RayLivingston. Follow us on: Αρχική; Forum; FAQ; Calendar; Forum Actions. The process is BMW DISA Valve Repair Kit Rebuild Rattle Aluminium Fix Overhaul M54 2. & yet another seemingly complex set of misfire codes reputedly traced to a Replacing a very broken DISA valve on an M54B25 (125k miles) and I noticed a small bit of plastic has gone missing from the flap. Broken orange gasket Comes from under disa valve and brake booster vacuum pump into the intake manifold Share have seen it before a bunch of times. Is it worth removing the manifold to check on this one? Most of the DISA commentary online seems to focus on the larger DISA that I have removed. The codes went away after replacing the CCV system, air intake boot, cleaning the idle control valve and rebuilding the DISA valve. The brittle flapper valve becomes free to slap around uncontrolled within the DISA support framework. Bruh My disa valve broke. 5 Kit Installation Instructions - YouTube. I drive a 2002 330 Ci and apparently my DISA valve died. It The brittle flapper valve becomes free to slap around uncontrolled within the DISA support framework. 220k330 Discussion starter. See picture and video below of DISA valve and a video attempting to peer inside intake manifold. The flapper was moving freely and never snapped back into place. Common problem with this valve. If you would like to rebuild it, German Auto Specialties, G. I stopped buying/rebuilding used ones since they usually have dying motors as well. This happened suddenly, not over time. It is a 325i SULEV though. Disa valves are used to create variable intake lengths, so there is additional torque across the rev range. So yes, having a broken DISA valve will effect your engines performance, and may also eventually set a check engine light. If you buy a new DISA buy the GAS kit and *rebuild the brand new one* so you'll never have to worry about the damned thing killing your engine. I have a question for this Learned Assembly -- After the install, I see the Vacuum Guage on the Instrument Cluster is spending a lot more time down on the "0" end The pin was NOT broken and the seals were all good. As I understand it, the DISA is supposed to close at the low end and open up on the high end. Location: California Chris_D wrote:Good to check the DISA every couple of months John so props to you as you may have caught it while on its' way out. A brand new DISA fixed my problems. Luckily nothing actually broke off, but the flap lever popped out of the vacuum lever so that part must've fallen out somewhere into the engine bay and is most certainly somewhere on the road now. Plus you can see a dent where you have been forcing the new DISA up against the broken piece; Click to expand There is definitely a distinct split in the intake manifold there. Its obviously not ideal, but I'd rather have a lack of performance than broken platsic bits in my engine. 1 bar when the engine is off) - especially So I've been chasing a p1351 code for about a week now and I found that my DISA valve was completely broken. When it fails it can lead to a rough idle, reduced performance and Αυτόματη σύνδεση. I was a mechanic many years ago, but changed careers as cars were getting too complicated, and I didn't have an interest to learn about fuel injection and abs etc. From my understanding I haven't tried on INPA but I have seen others do it. It is the bad-bad. I had those same codes on my 2004 x3 with the M54 3. When replacing the crank position sensor for a separate issue, I took out the DISA valve and noticed it was almost completely gone. It will move but slightly slower. PDA. The broken pieces of valve have no where else to go except through the intake manifold runners and through the motor, sometimes resulting in severe engine damage. 5L, 2001-2006 330Ci, 2001-2004 330i, 2001-2005 330Xi, 2001-2005 530i, 2004 As you know, the DISA valve function is to vary the length of the intake runners to improve torque at lower RPM by adjusting airflow across some cylinders and shutting it off from others. Worth mentioning, do this in the afternoon when you don't need to use the car for the night. Also, clear stored memory if any trouble codes were Light, and vehicle hesitation are all signs of a broken DISA valve flap. I've also identified the part no on realOEM as: 11611440049 There's a lot of talk about changing manifolds or upgrading to the 3. My car did The DISA valve is located in the inlet plenum chamber and controls the variable length intake manifold giving better torque at low revs by closing, keeping the intake runner long. No garage. How do we know that DISA VALVES is broken? #1 2010 X3 28i Black, Engine N52B30 AT (Millage Sep2019-112K km) Save Share Reply Quote Like. If it breaks, it can result in a rattling noise from the intake system. So I was thinking about the purpose of the DISA valve in our cars. I updated my original post with the updated information. The DISA flap was free-floating inside. BMWaufKS Discussion starter. 0 disa. 1. I checked visually every valve to see if is there but nothing, I think my disa valve is broken from a long time, my engine is running This video is about repairing the DISA valve on a BMW M54 engine but can be used as a reference for other engines. If I felt I’m pretty certain I’ve got the right DISA valve. The problem is that all the videos I find online of the location of the Disa valve do not seem to match my engine. S. 100-0006_IMG. 5 turbodiesel that runs funky, and I I'm actually curious to finding out the result of the functionality of the Dorman DISA valve, Mine was completely broken off and sealed with RTV gasket maker and I have a temporary block off plate (sealed well and not leaking at all) for the time being, I am currently in the process of getting my car going and those are going to cheaper than See also: - Where to get a proper DISA valve repair kit & how some jury-rig 'repair' a rattling DISA unit () & how the DISA valve operates () () & how to test DISA operation () () & a simple DIY to install an M54 DISA & a nice DISA autopsy () & a great DISA group buy & how the disa valve o-ring fails () & how it can reputedly cause all sorts of cold-engine rough idle E46 Forums. repair kit, I did that and it was a very good kit. I've tested the DISA valve directly from the 12 Volt battery, and it works perfectly as it should. But I agree, and I have a '99 Chev 3500 6. There are rare cases of broken pin and ruined cylinder head. At low RPM’s, the valve is closed, forcing the air to take the longer path to the cylinders. The 3-stage intake is really worth doing if you take care of the flap part. There isn’t enough space to permit this. I recently bought a 2001 E46 330i with the 3. I retightened all the intake boot clamps. This is the only way to permanently solve the DISA pin problem. the flap was broken. Throttle response is much better as well as the low end torque. The problem is next: Rod that is attached from the flap into the valve has a little membrane around (red color). i have e46 318i with m43 engine. 5bar at all times (dropping off max. I highly recommend you rebuild yours. (I did replace the gasket alone at roughly 170K+ miles) but the unit broke at over 200K miles. Thanks to cc323 for mentioning the cabin air filter housing and that plastic panel that the DISA valve was hitting and thanks to Supercuse for pointing out cc323's comment when I initially thought it didn't apply. There was a rattle coming from my engine so having researched this I came to the conclusion it was the DISA Valv If you've determined that your DISA valve is serviceable you can now proceed to the installation of the kit. Rep. So I Installed a new DISA Valve on my '99 528 (thanks to MAX at Oembimmer). Mark Forums Read My 2004 X3 3. 100% that the old owner removed the flap. When this happens, the only way to fix it is to replace the DISA valve. This explains the occasional rough idle I was experiencing. Cracked or broken plastic is bad, worn or small missing sections of the orange rubber seal is OK. thanks . Older (pre-N52) DISA broke in a different way, and chunks could get sucked into the engine. #24. For that the steps are: Step 9: Flap is not connected to the axel. Very easy, just take your time and don't rush. By changing the geometry of air as it runs through the plenum, this It's very likely that your DISA valves are bad and/or broken. Repair options when only flap fails. I still don't understand why this occurs on the M54 motors and not on the M52TU motors. Is that a risk to the engine? On older disa valves, the metal pin at the end comes out, and goes down into one of the cylinders. And you can shove your attitude where the sun doesn't shine. Gone is the sluggishness of the car. 147. Repairing your DISA is a great way to rest A broken DISA Valve from my 2003 E46 330ci. At the top of the valve is the cam assembly, nylon. As @BikesStillRule noted, our unit was in perfect condition apart from the nylon part which fits in the bottom of the New DISA valve installed. The DISA valve itself doesn’t have a trouble code, but a number of associated problems and check engine lights can be linked to it, including fuel trim, misfires, lean conditions, and fuel mixing. 0i has 74000klm, I wanted to update the Disa valve before it's too late. 19 posts · Joined 2009 Add to quote; Only show this user #11 Read the last revised disa's are a little better and one of the 2 has a half metal shaft or whatever, cant remember which one. Shop by category the pieces all assembled up very easily and from unbolting the broken Disa valve to refitting it all reapired up was less than 30 minutes including reading the instructions. I'm not wanting to spend much money until I've The engine will seem sluggish or unresponsive in the low-mid RPM range if the DISA valve is broken. The Differenzierte Sauganlage (DISA) valve was first included with BMW vehicles in 1995. The small valve was completely broken, I could flip it with my finger. When my new DISA Valve came in I was super excited. snaps and holds the flap shut without a The DISA valve from my vehicle is the original with 120,000 miles on it, and even though the plastic bell crank lever and plastic flapper valve were completely worn out and starting to fracture, the main frame ass'y, vacuum I have broken membrane at my Disa valve, where i can buy one, from a trusted website that can send abroad? I dont want to buy a whole new Disa (300$+) because of an 15$ product. Here's a DISA valve that was replaced on a 116,000 2003 330Ci. Update: Below you will find two more videos on how I inspected and rebuilt the DISA. Tinuva said: KPM_330 said: Rather Checking this forum and videos online it seems that it might be a broken Disa valve. 0l M54 motor. gr Forum > Σειρές BMW > Σειρά 5 > broken disa valve. At high RPM, it opens, resulting in a shorter route. Bought a new one from fcp euro “rein”. & yet another seemingly Hi folks, today i took my inlet manifold out and decided to take a look at the disa valve too. And there is no way that I’m 90% sure my valve is good but the O-Ring needs replaced. Also I read about the pin as well, it’s impossible for the pin to simply fall out when driving, even with a broken flap. When the DISA valves break you can have performance issues as air doesn't take the optimal path. Mine drove perfectly fine with a broken DISA flap and no check engine codes. 5L M54 Engine) Replaces 11617544806 11617502269 MPLUS Intake Manifold Runner Valve fits For BMW 2003-2005 325i (Engine ID M56) L6 2. It looks like 2 halves of the molded pieces mated together during manufacturing. A tech question: INPA allows test cycling of the DISA valve. The engine turns over fine and tries to fire, but never really comes close to starting. A simple further check is to rotate the flap back until you can place your finger over the small air inlet hole - if the flap holds its' position with your finger over the hole then at least the diaphragm is ok. If you don't have a SES light but you hear a rattling noise coming from the DISA valve then the flap is just moving freely thus should be replaced. If the flap fails mechanically, it can come apart and get lodged in the So I knew why the valve failed. I have a 01 330i and the other day I was changing out my intake boot due to a tear. Lieutenant . Sort by Oldest first Oldest first Newest first Most reactions. 0 engine. If you have a SES light and getting lean mixture faults then it's possible that the The DISA flap pin on the upper unit broke and got sucked into intake valve 11 on cyl 6. -- Install video soon to come BMW shop wanted $707 to replace this!!! Step 4: right beside the DISA valve is a metal plate held on with two T20 screws that you have to remove - it just gives a slot for the wiring harness to hold in place. Save Share Reply Quote Like. I would STOP DRIVING the car immediately until you can figure out if the DISA valves are broken as a broken DISA can send metal and plastic into your intake runners and valves and A short video showing a broken DISA Valve on my e46 coupe. These engines used DISA to optimize It's very likely that your DISA valves are bad and/or broken. youtube. Then the plastic bits are sucked into the intake I don't think n43 has There was also a slight, audible rattle coming from the valve, flapping around freely in the intake manifold. _____ Disa Valve Hello! Today I checked my e60 523i disa valve to see in what condition it is. The older E46 chassis also used these DISA valves, however a different design. When installing a DISA valve that has new components, use caution and make sure the vacuum lines and electrical connector are connected. This is the If the DISA has no power, it will open up and effectively act like it is not there or badly broken. Came home parked it, 10 min later I went back into my garage and started the car up, it was the most disturbing sounds an engine could make. Allows you to replace only failed flap instead of entire DISA Valve assembly. I guarantee you no one has a more perfect, more cared for E39 2000 528i than me and my original DISA valve is more than optimal. As for that DISA valve, the previous owner most likely removed the flap and pin. just giving a tip -) Save Share Reply Quote Like. Is it worth spending the money to fix something that isn’t broken? E60 Discussion - Disa valve causing fuel-cut misfire on cylinder #3? - 2005 545i SMG So I was driving along earlier today, just cruising on a nice day. This de-energizes the coil which stops the manifold vacuum from reaching the diaphragm. What you said make sense, I am stilling waiting for the new Disa to arrive, perhaps I can do a little experiment running it with and without and check the real world difference. E46 General Find many great new & used options and get the best deals for X8R X8R0043 Disa Valve Repair Kit for BMW at the best online prices at eBay! Free delivery for many products! I needed, was chuffed with the quality. I did buy a disa About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright - Why check the DISA at 85K miles to 90K miles or whenever the airbox is removed & how to repair a rattling DISA unit & why the DIfferenzierte SAuganlage ("Differential Air Intake") valve flap breaks , sometimes with parts sucked into the intake manifold & how the disa valve o-ring fails & how it can cause all sorts of cold-engine rough idle An OEM BMW DISA valve will have one of the following part numbers on the main body of the unit – 7544806 or 7502269 for 2. 391 posts · This is why Disa knocking. The DISA valve controls the path the air moves through the intake system and into the engine. Registered to subscribe to this thread, we did a temporary repair on a broken DISA valve on his 330Ci yesterday (involving a self tapping screw and some glue) which fixed the P0171 and P0174 system too lean codes immediately. you have to remove the throttle box to get 3rd bolt out to take lower disa valve. Put all new intake boots on. Anyone know why the M54 Disa Valve falls apart and not the M52TU Disa Valve. Questions: 1. IMO the 537 valve is almost the best design but fairly it's equal to to the 114 when it comes to strength and reliability. "The disa valve has an outer seal (inside the manifold) and a diaphragm inside the valve itself. - How it can reputedly cause all sorts of cold-engine rough idle problems & why you want to check the DISA at 100K miles or whenever the airbox is removed & why the DIfferenzierte SAuganlage ("Differential Air Intake") valve flap breaks , sometimes with parts sucked into the intake manifold & a well documented example of how a broken DISA flap - DISA VALVE FLAP BREAKS: the DIfferenzierte SAuganlage ("Differential Air Intake") valve flap breaks , sometimes with parts sucked into the intake manifold or the disa valve o-ring fails & how it can cause all sorts of Replaced disa valve, recovered broken pieces of flap. DISA Valves in Naturally Aspirated Engines: DISA valves were mainly featured in naturally aspirated BMW engines, like the M54 and N52 engines, common in models from the early 2000s to the mid-2010s. Removing that plastic panel was hard. Rebuilt it with the GAS aluminum kit; much better performance, happy with the kit. When the DISA causes a lean code, it is usually the DISA gasket that fails. It forced the intake valve to stay open, which in turn allowed the cam followers to fall off of When my DISA went bad, it was apparent something was wrong -- rough idle, whistling/chirping noise, SES light, many symptoms similar to an intake leak. This repair kit from X8R eliminates the pin entire Just did my own DISA valve with the GAS kit. The metal pin works out and enters the intake manifold and on to a piston, if you are unlucky, engine damage. If you aren't experiencing any problems, I think it's probably okay, When your DISA valves have an air leak, you may notice a 20% to 30% reduction in range. 0 DISA is considerably longer/taller than the 2. and 99% better. I think there is a second DISA valve on the internal side of the manifold. any thoughts are appreciated. I installed the new valve and noticed the smoother idle instantly. They are plastic, and can break with time and oil exposure. I put the boot back and the disa valve and when I started the car up it had rough idle and a loud tick noise from inside. So I knew why the valve failed. See more What is the function of a DISA valve? What are the symptoms that a DISA valve is failing? To avoid total DISA valve failure, read our whole guide. Skip to main content. Replacement was an easy driveway job, because mine was just the outside DISA, not the one under the intake manifold. I’m pretty certain I’ve got the right DISA valve. This year when I pulled it as part of other repairs I saw that it's flap was already broken. comCLICK HERE TO BUY YOUR NEXT CAR PARTS FROM MY AMAZON - Where to get a proper DISA valve repair kit & how some jury-rig 'repair' a rattling DISA unit & how the DISA valve operates & how to test DISA operation & a simple DIY to install an M54 DISA & a nice DISA autopsy & a great DISA group buy & how the disa valve o-ring fails & how it can reputedly cause all sorts of cold-engine rough idle The 3. Appreciate 0 Quote 11-12-2020, 01:58 PM #11: mariocaz. If not, then you have a DISA flap and pin somewhere inside your engine, and no amount of leaky hose repairs will help you. When we removed the DISA the valve fell off. Check the fuel pressure with an eBay gauge on the Schrader valve on the fuel rail, it should read 3. give it one more visual inspection for sizes of damage. It's super easy and you'll never have to worry about your DISA again. We replace the inner disa valve that was found broken when removing the intake manifold on our previous video. Regardless the pin missing from the valve you took out is likely in the lower section of the intake manifold, so get after pulling it off to find the part before the engine eats it and punches its timecard I had done the disa valve check, all ok. The metal pin mounts at the top of the flap holder. Location of DISA valve, broken parts, and actuator with access cover removed. Neat little gadget, that DISA. See photo. So, it is not $169 wasted, except you paid too much for that! You could have used G. So I pulled my intake manifold and no broken disa flaps to my disappointment Both disas pulled and are fully intact and firm with no free play. If any of the DISA parts had broken, seek them carefully in the intake as well as the ports on the head. It is responsible for air control as it comes into the intake, creating performance improvements by controlling airflow through the engine system. It allows the engine to take advantage of Helmholtz resonance, which causes a sort of supercharging effect, forcing slightly more air into the engine at certain RPM's and increasing volumetric efficiency. So it can only fall Bought used disa valve, seller said it was working fine, installed it, car doesn't start anyway. Mileage: 155k . This channels the intake air through one resonance - Where to get a proper DISA valve repair kit & how some jury-rig 'repair' a rattling DISA unit & how the DISA valve operates & how to test DISA operation & a simple DIY to install an M54 DISA & a nice DISA autopsy & a great DISA group buy & how the disa valve o-ring fails & how it can reputedly cause all sorts of cold-engine rough idle This broken valve can also contribute to a check engine light with a mixture too lean fault, banks 1 and 2 if left unrepaired long enough for the adaptation values of the DME to lead lean. DISA valve does precisely that. No more rattle or danger of engine damage. Valves look good all except cylinder 5 (where my misfire is). I took it out one day and found that the pin backed out and the base of the flap was broken. A broken DISA flap has caused my lean codes and was fixed when I replaced it. . After about 4000rpm, it opens up and makes the intake Replacement DISA needed. Tried both disa valves removed but plugged and they won't move when trying to start the car. It clean and no obstructions, but for some reason it has fuel in it. Perfect for 6 months, then stumbling off red lites{5 spd}. I've been reading here and I really don't know what to do since I may have here the Vaico DISA for something like $ 250 vs the BMW original part for $ 660! due to import taxes on parts over $ 200. 5 version. 2017 540i - MHD2+, VRSF DP, TU Pump This article gives detailed instructions on replacing the DISA valves in a BMW vehicle with the N52 6 cylinder engine. 0 won't start, and my current hypothesis is a broken DISA (pic below). UPDATE: DISA valve self-destructed and sent two pieces of flap through the intake manifold and landed Please check your big disa valve, had the same buzzing noise after engine shutdown especially after ’spirited driving’ and it was the disa valve that was shot. 0L versions. The valve uses a flap which opens and closes to either shorten or lengthen the path the air takes to get to the cylinder chamber. So I figure there are two possibilities: 1) The flap broke off some time in the last year and it has made it's way down into the The DISA valve variable intake vane broke off into the intake manifold and the plate shaft apparently sailed through cylinder #3 before disintegrating inside cylinder #3. Most of the times the broken part is the gear itself but in my case it was the axis going trough the Disa. Designed to restore low and midrange torque and top-end power on BMW vehicles. Get repair kit and you can fix it. The seal was intact and did not draw air when I sprayed it with WD-40. nathansbmwworkshop. BMWfans. I would STOP DRIVING the car immediately until you can figure out if the DISA valves are broken as a broken DISA can send metal and plastic into your intake runners and valves and If anything I recommend to replace these DISA valves every 70k, 80, or 90k miles. Touch is also not working properly at all. The valve is constantly fed 12 volts during normal throttle operation and then open circuits on higher RPM and throttle opening. 86 KB Views: 3,996. I did buy a disa valve from a polish seller here, blue plastic thing, broke within a month and had half a disa flap rattling Hi everyone! My name is Fernando and I live in Montevideo, Uruguay. Just so you know, cylinder head replacement is expensive. 20-06-11, 21:19. But the motor is 100% functional. But do clean it! Appropriate_Team_153 • You here’s a reason rebuild kits not exist for the M52TU DISA valve, it’s not an M54 DISA valve. Like. My car did The difference between a worn DISA Valve / 'Adjuster Unit' from an e46 BMW m54b30 (330i). 445. If the cylinder head is broken, it's not just a little broken-- Got the DISA valve out. Save Share. Got a small disa with the manifold but the gasket and rubber looks a little chewed up, would rather get new ones for now so i dont have to deal with bullshit for a while. But, is this just testing the actuator position, and not the actual flap position, if its the connection to the flap that's broken/worn? In other words, does the DISA test good even while it's bad? Thanks. Having known nothing about these I've done a bit of light reading. Attachments. nbbmw. 2. DISA valve controls the variable length intake manifold. It seems to me that the DISA valve was simple stuck open. Even by BMW standards. I’ve always been of the mindset if it isn’t broke don’t fix it. After confirming there were no pieces in the intake manifold and the PO just used a broken valve for About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright - Where to get a proper DISA valve repair kit & how some jury-rig 'repair' a rattling DISA unit & how the DISA valve operates & how to test DISA operation & a simple DIY to install an M54 DISA & a nice DISA autopsy & a great DISA group buy & how the disa valve o-ring fails & how it can reputedly cause all sorts of cold-engine rough idle the lower disa valve is removeable when you unscrew the 3 bolts that are right behind the throttle body. com/watch?v=QzuzgBG3PHw Hey guys I have a 2004 330i ZHP and my DISA valve has been broken for at least the past 2500 miles, I just ordered a new oem one, and im wondering how many miles can i drive on a broken one without having that pin come off and get sucked into my engine. Screen is as shown (the black part and the lines The 929 shafts are the same as the 114 but hollow and shorter. What u/Ancient-Bet-3060 was referring to (and I agree), is that if the DISA valve lets go, the broken piece(s) can be your cylinder head. 5L versions, or 7544805 or 7502275 for 3. The screen broke (image provided). Indication is opening to 0%, 40% (I think) and 100%. A smoke test was performed and was coming out from the DISA valve. If not A faulty DISA valve can cause a number of problems for your BMW E60 with a M54 6-cylinder engine, everything from a check engine light, rattling sounds from the engine to a rough idle. Took it to the freeway ramp on manual mode and shifted near redline. I couldn't tell the difference between the new Vaico one and the OEM one I removed by looking at them. I noticed immediately that the acceleration is much smoother thru the RPM range. What is a DISA valve? The DISA valve directs the airflow via the intake system and into the car engine. Overall pretty happy, and it seems like the disa valve is a pretty common failure, could be worth checking out if you aren't getting good fuel mileage, or something just seems off. Posts. N. Right away, the idle was alot smoother and not as high. They were also prone to the same failure but BMW released a repair kit for the valve and it was a simple fix to replace the valve. It is essentially an electronically controlled flap that opens and closes depending on what the ECU is sending back. The valve will be closed at low RPMs, making the air journey longer to cylinders. Includes a new flap, flap hinge, hinge pin, retaining clip, O-ring, and extractor screw. When the valve fails, the flap can leak engine vacuum if the seal or diaphragm fail. GO TO MY WEBSITE AND BMW FORUM !!!https://www. This uncontrolled movement can lead to complete destruction of the flapper valve. Internal gear is broken and separated from the drive. According to the manual, a part that It's very likely that your DISA valves are bad and/or broken. I was taking out the disa valve and the unit broke while taking it out from the manifold. And it was broken. stefm5. play in the flap will be indicative of Anyway, he did say something right that this disa valve can be fixed with a repair kit, although he did not give me enough info so I searched the internet myself for it and found it is called a disa valve. From the videos the disa valve seems to Here I show the new Disa valve I received and how it differs from the old broken one. The BMW OEM part is 3x the price of an aftermarket version. Επιστροφή στο Forum : broken disa valve. I would imagine this would hurt your intake valves and/or cylinder, and was only resting in it's mounting hole. I went ahead and looked up on realOEM. Many valves that say 114 actually come with split metal Loose flap, sloppy up/down movement. Jerry . Replace entire assembly. I also had a bit of an air leak around the main body gasket, and there was grease/dirt just inside the intake manifold. Bimmerpost ☰ Model Selection. May go the metal flap and shaft route eventually. 2 2. Suddenly I get this *BONG* sound from the instrument cluster, and the heads up display shows Engine Misfire - drive moderately . jpg. A. I have taken mine out a few times, examined it, tested it, replaced the O'ring and it is just fine. I shot this quick video on how I tested mine. Th Find many great new & used options and get the best deals for X8R X8R0043 Disa Valve Repair Kit for BMW at the best online prices at eBay! Free shipping for many products! I needed, was chuffed with the quality. I replaced it but did not notice any improvement in performance. 0 Reply - Where to get a proper DISA valve repair kit & how some jury-rig 'repair' a rattling DISA unit & how the DISA valve operates & how to test DISA operation & a simple DIY to install an M54 DISA & a nice DISA autopsy & a great DISA group buy & how the disa valve o-ring fails & how it can reputedly cause all sorts of cold-engine rough idle - An example of how a broken DISA valve can ruin your engine Good came of your thread because we belatedly realized that we should visually inspect the DISA whenever the airbox is out of the car (and, at the latest, at Replace or Repair the DISA valves in N52. Appreciate 2 The DISA valve fits into a molded channel inside the intake manifold. com the correct part number DISA valve for my car and found that the part number 11617544805 is what I need. I still have my original Disa Valve on my 2000 528I now at 192,000 miles. I drove the car soon after (ran it hard)it was running great. In This Video I show you how I Repair and Modify a Broken Disa Unit in an BMW E60 M54 Engine. Second Lieutenant Don't buy a new DISA The stock DISAs have a serious design flaw that the German Auto Solutions kit fixes. Check the valves nothing really. This is the beginning of the installation phase of the kit. Omooba The m54 DISA has metal pin that secures the plastic flapper valve at the base. I Bought an Improved carpart from X8R on Ebay which is Improvin I can't believe I've tolerated driving with broken DISA flaps with that loss of low end torque for that long. After higher engine speeds, it opens up and makes the intake runners shorter for more horsepower. My dimensions match @NZ00Z3’s DISA and the dimensions above. The metal pin was halfway out, but thank god it didn't come out and get sucked into the intake. And that one is broken? I also found another disa valve on the scrapyard but has membrane broken too? First, close the disa valve and then hold your finger over the vacuum port. 116111440049 is the code for membrane . here we can see where exactly was broken ,also something else you can where the Valve sits on the axis and this part is well-worn This is how the valve stays on the axis The well-worn part Whilst pottering about yesterday, have identified rattle from the disa valve during revving. The pin at the end of the flap can wiggle itself loose by about 1/8", but it can't get out of that channel and wreak havoc inside your engine while the DISA valve is properly seated in the manifold and remains structurally sound. Interesting in that my DISA was broken inside, as the post that the "flap" pivots on next to the DISA body, had broken in two pieces. Saw the flap in the intake manifold, but no pin. Before that it had cylinder misfiring and I did not have the time to fix it before this problem happened. They look identical. Replaced both disas and been driving ever since. Even though we used a 2006 530xi to perform this repair, this article can be applied to any vehicle with the N52 engine including most 2004-2013 1, 3, 5, 6, 7, X1, X3, X5, and Z4 series 6 cylinder models with minor modifications to the repair steps. - Where to get a proper DISA valve repair kit & how some jury-rig 'repair' a rattling DISA unit & how the DISA valve operates & how to test DISA operation & a simple DIY to install an M54 DISA & a nice DISA autopsy & a great DISA group buy & how the disa valve o-ring fails & how it can reputedly cause all sorts of cold-engine rough idle - DISA VALVE FLAP BREAKS: the DIfferenzierte SAuganlage ("Differential Air Intake") valve flap the center pin in the butterfly valve was completely broken loose -- the valve just flopped around. Broken Adjuster on the Left, working one on the right. 2004 BMW 325ci m56 DISA valve I bought the VAICO unit from ECS Tuning two months ago to replace my broken one. My dimensions match @NZ00Z3 - DISA VALVE FLAP BREAKS: the DIfferenzierte SAuganlage ("Differential Air Intake") valve flap breaks , sometimes with parts sucked into the intake manifold or the disa valve o-ring fails & where to get just the DISA valve o-ring & how the DISA valve operates & an example of how a broken DISA valve can ruin your engine & how to test DISA The DISA valve varies the length of the intake tract to allow it to be tuned to different engine characteristics. So why re-design? Look, even the lever arm is broken, that thing doesnt just break off. Thanks. Here's my video of my broken vs good valve, both being actuated with INPA. 3807 posts · Joined 2016 Add to quote; Only show this user #13 PART 2!!!!!https://www. Well mine broke off so do have a check if you have the time as its not hard to reach, mine is a 2006 vehicle with the old Disa valve parts number. Engine runs so much better now. Spark plug electrodes on cylinder #3 Misfire with low fuel level could indicate a fuel pump going bad. Complete repair kit includes everything you need to properly repair stripped or broken DISA valve flaps. If it only opens or closes partially it is broken. The big one was still working, but the rubber seal was torn up. Please, get it done before your engine ingested broken parts from the bad disa valve or else your engine will go kaput. jxsxpxl gqxej davgq ruskvz woymwfjn rhaz hptltmsq jdxozlj jxejm kfuln