www.bavauto.com — In this How-To DIY video series (Part-1 and Part-2) we will be replacing a typical BMW clutch and flywheel. For more details on this DIY, …
Replacing a BMW Self-adjusting Clutch & Dual-mass Flywheel Part 1 of 2
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Thanks for this awesome video! I do have one question though. Do you need to support the engine in any way? I believe the E39, like my E36, has 2 mounts for the engine, and 2 for the gearbox. I just remember when I replaced the driveshaft I had to use a jack to support the gearbox. Thanks again!
On the BMW applications, we have found the conversions to be very smooth and solid, when installing the heavy conversion flywheel kits. the lightweight conversions, using the aluminum flywheels, have a bit less damping due to the lower rotational mass.
Yes … the only differnce on the SMG is the automated clutching and shifting. The transmission is basically the same as the standard transmission.
will it be ok to change it to a non dmf on a smg tranny
Is this necessary? Just had my flywheel done (E46 330D) and they didn’t remove the sensor. Now I get dde light on, black smoke at high revs/WOT and juddering at high revs when this happens…….no codes on scanner though except for rail plausibility too high (too much fuel I suspect judging by black smoke). Tried everything else and now suspect timing is out. Tickover is fine though and normal driving appears ok. Slight vibration at tickover now (more like resonance). Thanks 🙂
Does the crankshaft position sensor need removing? Just got my 330d E46 back and it appears to be misfiring at high revs, juddering at high revs, chucking out clouds of black smoke when wide open throttle and also throwing the DDE light when hoofing in 3rd from low revs. I’ve tried everything else and now suspect the Crankshaft position sensor that wasn’t removed during installation has got somewhat damaged? Also get mid section vibrations at low revs full throttle……
Yes, the overall procedure would be similar to what we show. Some details will differ, but you certainly could use the videos for basic instruction. the Bentley repair manual would give you specific details. We have them at bavauto.com.
my friend also has an 85 325e bmw ,would the procedure be similar as well ?
Hi, I work on a lot of German cars and have seen a lot of these dual mass problems. We always recommend the upgrade to the 1 piece flywheel and I have one in my 2006 Jetta but I have noticed it has a very slight jerking feeling in 1st and 2nd gear when compared to a customer with a 2 piece. Have you personally noticed any roughness compared the the dual mass? It might just be me being picky
Can you please list all of those parts you have replaced?
That would be kind.
In general, yes, your procedures will be very similar.
Can I use this method to fix a clutch on a 1987 325e bmw ?
this looks professionaly done!
I curious is the non dual fly wheel a CPO warranty option?
Sorry for the delay in replying. Are you still having trouble with your clutch install?
In a general sense, yes it does. Your details will be a bit different, but the overall procedures will be quite similar.
You can be sure that the clutch is a SAC and the flywheel is dual-mass.
good work
Does this video apply also to E38 with manual transmission?
it’s just a amazing and simple video! thanks for uploading 🙂
Excellent video! How do I know my 2004 330ci 6-spd has a SAC? It is as 115k miles now and slipping.
Well…., The S38 would be stronger and able to take more power than the M50, but the M50 would likely be more reliable for long term use.
sry for bad english………. BUT i mean ‘by strongest’ like STRONGEST,HEALTHY, ROBUST! Than you… i want to know who from this two engines is more healthy! m50b25 or s38b36! i drive e36 cabrio m50b25 and engine is very very healthy, but i know s38b36 also is very very healthy engine! who from both is the best!?
sry for bad english………. BUT i mean ‘by strongest’ like STRONGEST,HEALTHY, ROBUST! Than you… i want to know who from this two engines is more healthy! m50b25 or s38b36! i drive e36 cabrio m50b25 and engine is very very healthy, but i know s38b36 also is very very healthy engine! who from both is the best!?
By strongest, do you mean most power? In this case, the S38 (as offered in the E34 M5) offers far more horsepower than the M50 (E36 325i, E34 525i, etc.)..
Yes, the disc is marked as to which side goes toward the engine or transmission.
bavarianauto, who BMW engine is the strongest - m50b25 or s38b36? thank you
u sure that clutch disc isnt installed backwards?
94 BMW 325 is I replaced the clutch watching your video and made sure to follow the installation correctly but when I took it for a test drive the engine sounded loud and forced specially in first gear all thou it was making this sound before I installed the new clutch the revolutions look normal, I think the clutch might be slipping…help thanks…
Without driving the car, it’s tough to make an accurate diagnosis. However, it does sound like the noise is coming from within the transmission, from your description. What fluid are you running in the transmission? Have you tried the RedLine MTL? See it on our site at bavauto.com . Another thought would be to try the Red Line 75w-90 fluid (it is OK to run this) to see if this changes the noise at all. If it does, you know that it is from within the transmission.
Well ….. if the head is too beat up to accept the Torx socket, at this point, there isn’t much you can do besides pulling the engine and transmission so you can actually get to the bolt. You can try hammering on a regular 6-point socket (match one up with one of the removed bolts), as a last ditch effort. If you can get one on tightly, try to turn it by hand … not with an air-tool.
Hello team.
Excellent work.
Please advise: i got e46 m3 bmw. It has click noise coming from drivetrain during each gear change ( you can control the noise by clutch pedal) and rattling noise when you switch off the engine on neutral gear. However if you engage clutch during engine switch off the noise disappears. Any idea?
Thanks.
Hi got a 1994 325 is 6-cyl, im having a problem with
the top torx screw of the tranmission Ive tried 2 different types of bolt-out sockets and nothing, it’s stripped pretty bad at this point. What can I do? Thank you for your time.
Hi, I have a E46 2004 320D M Sport, is the single mass flywheel+clutch kit available for it? Thanks in advance.
Well ….. if the engine is running properly and smoothly, then the next probable cause may indeed be a very worn out dual mass flywheel. Typically, you would not have a shake at idle, due to a worn out DMF, but it is conceivable that a very loose one could cause an idle vibration.