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Stinky Clutch

762 views 7 replies 4 participants last post by  BmwNut 
#1 ·
Well, at only 8,900 miles after a brush with wet grass I have a really stinky clutch aka it's toast! :mad: I am only a humble un-mod'ed M5 :rolleyes: but all you hot-rodders out there surely have seen (something) of the same problem. Since the nice :biggrin: folks at BMW have offered to drop my tranny and replace my burnt parts this looks like an opportunity! What can I do to upgrade my disc material/pressue plate clamping force to improve this problem? Thanks :byebye:
 
#2 ·
Welcome to the board from a fellow Virginian. Doesn't appear to be many of us here. And too bad about the clutch. I don't have first hand experience but I have seen posts that identified the Sachs Racing Clutch as an alternative. Member MIB has some real experience so you may want to contact him.

Al
 
#3 ·
M5 Fever said:
Welcome to the board from a fellow Virginian. Doesn't appear to be many of us here. And too bad about the clutch. I don't have first hand experience but I have seen posts that identified the Sachs Racing Clutch as an alternative. Member MIB has some real experience so you may want to contact him.

Al
Thanks Al... I'll check Sachs out. Kinda surprised that neither Dinan or RMS seem to bring this up as an issue or a performance option
 
#5 ·
Dinan is rumored to have an upgraded clutch along with their S3 kit, so we'll have to wait and see on that one. MIB went the overkill route with his clutch, but he plans for big HP, and the driveability has been slightly changed as a result. I would check out Sachs, although I think the best method to keep a clutch is gentle use. A lot of guys on the board have had long life with their clutches, but many upon many others are in or have been in the same boat as you. Good luck finding an option.
Welcome to the board!
:cheers:
 
#6 ·
Well... that particular module has been defective for the last 30 years or so with no replacement parts available, I'm afraid. Still... this is the first of many performance vehicles I have owned where the clutch is so sensitive (to frying). It was a serious shock to see smoke billowing out from underneath the car just because I was stationary and riding the clutch for a few seconds...
 
#7 ·
Interesting... though the dilemma I have is to keep driving with what I've got for a while longer and look at Sachs or Dinan options or replace the clutch (with an identical one) under the maintenance/warranty offered by the dealer. If it's my driving style (starting off in second, slipping the clutch on hills, etc) then I can adjust that. I would just hate to put an under-spec'd clutch back in just for it to happen again...
 
#8 ·
The clutch is indeed a weak link, and will not tolerate little things like slipping and slight hill holding. Too much torque from the S62 for the setup to take. I would recomend replacing it sooner than later, as the more you drive with a slipping clutch the more you risk a totally trashed flywheel and other clutch componets. The best thing to do with the beast from what I hear is to be as precise and accurate you can be with all the clutch work. Greg has some great driving videos that help with the proper technique to get the clutch to last a long time. They are available right here. Good luck, and enjoy the beast!
:cheers:
 
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