E90Post
 


jb4store
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > ACT Clutch slip after 1 year.



Reply
 
Thread Tools Search this Thread
      12-10-2012, 11:34 AM   #1
Rotorocious
Major
32

 
Rotorocious's Avatar
 
Drives: 335i
Join Date: May 2010
Location: Florida


Posts: 1,461
iTrader: (3)

ACT Clutch slip after 1 year.

Anyone having ACT clutch slip issues?

I replaced mine about a year ago (BM8-HDSD) ,approx 10,000 miles on it.

Noticed alot of clutch slip after a day of Autox and traveling 80 miles each way (4- 58 second runs).

I reused and resurfaced my stock DMF. Currently on a humble JB4 G5 Map 1 (13 psi)....

Very surprised.
Appreciate 0
      12-10-2012, 04:36 PM   #2
Zebra99
Colonel
Canada
35

 
Zebra99's Avatar
 
Drives: 2011 335is E93
Join Date: Aug 2011
Location: Ontario


Posts: 2,310
iTrader: (5)

Garage List
Sorry to hear dude....

Could be many factors like defective clutch from the factory, but I suspect that the DMF was not resurfaced properly causing premature wear....

Something I soon have to worry about too
Appreciate 0
      12-10-2012, 04:59 PM   #3
Rotorocious
Major
32

 
Rotorocious's Avatar
 
Drives: 335i
Join Date: May 2010
Location: Florida


Posts: 1,461
iTrader: (3)

I had it done by a machine shop that has done them before.


We will see how it goes I guess. Guess I'm going to get a new DMF this time around.
Appreciate 0
      12-10-2012, 08:17 PM   #4
Zebra99
Colonel
Canada
35

 
Zebra99's Avatar
 
Drives: 2011 335is E93
Join Date: Aug 2011
Location: Ontario


Posts: 2,310
iTrader: (5)

Garage List
Quote:
Originally Posted by Rotorocious
I had it done by a machine shop that has done them before.


We will see how it goes I guess. Guess I'm going to get a new DMF this time around.
Send the clutch back to ACT for inspection....that's a little ridiculous.
Appreciate 0
      12-10-2012, 08:49 PM   #5
rdeterman
First Lieutenant
7

 
rdeterman's Avatar
 
Drives: 2008 335i Coupe 6mt
Join Date: Apr 2012
Location: Iowa


Posts: 358
iTrader: (1)

problem is its a wear item.. i havent heard of many companies standing behind there clutches after that amout of time..
__________________
JB4 G5 ISO W/BMS FLASH, FBO, Walbro LPFP, Spec S2+ SMFW
Appreciate 0
      12-10-2012, 09:23 PM   #6
Zebra99
Colonel
Canada
35

 
Zebra99's Avatar
 
Drives: 2011 335is E93
Join Date: Aug 2011
Location: Ontario


Posts: 2,310
iTrader: (5)

Garage List
Quote:
Originally Posted by rdeterman
problem is its a wear item.. i havent heard of many companies standing behind there clutches after that amout of time..
Lol after 10k miles? A little premature I think... Hell if you told me 30k then I'd say you had a good run, but 10k is nothing.
Appreciate 0
      12-10-2012, 09:55 PM   #7
Rotorocious
Major
32

 
Rotorocious's Avatar
 
Drives: 335i
Join Date: May 2010
Location: Florida


Posts: 1,461
iTrader: (3)

Quote:
Originally Posted by Zebra99 View Post
Send the clutch back to ACT for inspection....that's a little ridiculous.
I'm going to see how bad it gets. I'll do some pulls tomorrow when its warmed up without having been autox'd all day.
I would send it back but no way I would put another one back in. I know they won't cover the labor they would just give me another $500 clutch. Not risking that again.
Appreciate 0
      12-10-2012, 10:00 PM   #8
rdeterman
First Lieutenant
7

 
rdeterman's Avatar
 
Drives: 2008 335i Coupe 6mt
Join Date: Apr 2012
Location: Iowa


Posts: 358
iTrader: (1)

Quote:
Originally Posted by Zebra99 View Post
Lol after 10k miles? A little premature I think... Hell if you told me 30k then I'd say you had a good run, but 10k is nothing.
premature or not, warranty is going to be tough on this.. i agree 10k is nothing for a clutch but it is a wear item and they have a number of things they can blame it on.. driver error... installer error... abuse...
__________________
JB4 G5 ISO W/BMS FLASH, FBO, Walbro LPFP, Spec S2+ SMFW
Appreciate 0
      12-10-2012, 11:57 PM   #9
Dave W.
Lieutenant
4

 
Drives: Porsche 951, 1992 Eagle Talon
Join Date: Apr 2012
Location: SF Bay Area


Posts: 490
iTrader: (0)

Thanks for the pic. I noticed the step height was not adjusted when they re-surfaced the flywheel. Basically they made the flywheel deeper when they cut it. I think you can see how this will shorten clutch life since the mounting surface for the pressure plate is farther away from the friction surface. The right way to do it is to pull out those 3 dowel pins and mill the outer edge of the flywheel so the step height is just as deep as stock.
Appreciate 0
      12-11-2012, 12:14 AM   #10
spiike32
Major
21

 
spiike32's Avatar
 
Drives: Monaco Blue E92 335i
Join Date: Apr 2009
Location: shy-town


Posts: 1,060
iTrader: (8)

disappointing to hear this. I was thinking about getting an ACT clutch too.
__________________

Retired: FBO 335i and 318ti Current: C7 Stingray
Appreciate 0
      12-11-2012, 09:14 AM   #11
Rotorocious
Major
32

 
Rotorocious's Avatar
 
Drives: 335i
Join Date: May 2010
Location: Florida


Posts: 1,461
iTrader: (3)

Quote:
Originally Posted by Dave W.
Thanks for the pic. I noticed the step height was not adjusted when they re-surfaced the flywheel. Basically they made the flywheel deeper when they cut it. I think you can see how this will shorten clutch life since the mounting surface for the pressure plate is farther away from the friction surface. The right way to do it is to pull out those 3 dowel pins and mill the outer edge of the flywheel so the step height is just as deep as stock.
That's some good info.

Thanks!
Appreciate 0
      12-11-2012, 10:44 AM   #12
rdeterman
First Lieutenant
7

 
rdeterman's Avatar
 
Drives: 2008 335i Coupe 6mt
Join Date: Apr 2012
Location: Iowa


Posts: 358
iTrader: (1)

have you contacted ACT yet?
__________________
JB4 G5 ISO W/BMS FLASH, FBO, Walbro LPFP, Spec S2+ SMFW
Appreciate 0
      12-11-2012, 11:19 AM   #13
Rotorocious
Major
32

 
Rotorocious's Avatar
 
Drives: 335i
Join Date: May 2010
Location: Florida


Posts: 1,461
iTrader: (3)

Quote:
Originally Posted by rdeterman View Post
have you contacted ACT yet?
Not yet. Going to drive it again from a cold start and see how it goes.
Appreciate 0
      12-11-2012, 11:29 AM   #14
Rob@RBTurbo
BimmerPost Supporting Vendor
20


 
Rob@RBTurbo's Avatar
 
Drives: 335I
Join Date: Jan 2008
Location: St. Louis, MO


Posts: 1,095
iTrader: (4)

+1. My first thoughts after seeing pic as well. Significant machining error.

Quote:
Originally Posted by Dave W. View Post
Thanks for the pic. I noticed the step height was not adjusted when they re-surfaced the flywheel. Basically they made the flywheel deeper when they cut it. I think you can see how this will shorten clutch life since the mounting surface for the pressure plate is farther away from the friction surface. The right way to do it is to pull out those 3 dowel pins and mill the outer edge of the flywheel so the step height is just as deep as stock.
Appreciate 0
      12-11-2012, 11:39 AM   #15
Rotorocious
Major
32

 
Rotorocious's Avatar
 
Drives: 335i
Join Date: May 2010
Location: Florida


Posts: 1,461
iTrader: (3)

Quote:
Originally Posted by RobBeck View Post
+1. My first thoughts after seeing pic as well. Significant machining error.
Damn, looks like the culprit. Probably would have been better off just scuffing it up.

Oh well, at least someone will hopefully learn from my mistake.
Appreciate 0
      12-11-2012, 12:52 PM   #16
Rotorocious
Major
32

 
Rotorocious's Avatar
 
Drives: 335i
Join Date: May 2010
Location: Florida


Posts: 1,461
iTrader: (3)

Clutch holds up fine after an hour of driving and back to back pulls.

Just going to keep it in the back of my mind and on map . I'll save up for a new clutch and flywheel in the mean time.

Thanks for the tip on the flywheel.
Appreciate 0
      12-11-2012, 01:12 PM   #17
Jeff@TopGearSolutions
BimmerPost Supporting Vendor
United_States
237


 
Jeff@TopGearSolutions's Avatar
 
Drives: C6 Z06, GSXR-750, 09 335i
Join Date: Dec 2008
Location: TopGearSolutions.com


Posts: 18,039
iTrader: (32)

Send a message via AIM to Jeff@TopGearSolutions
Just an FYI most clutches only offer a 90-120 Day warranty. This is not to say your wear is premature or not, but they usually offer little recourse unless their is a clear indication of manufacturing defect. Good luck. With so many styles of driving habits, abuse, install error, and other conditions it's hit or miss.

After reading RB's post he makes a good point, which is another reason these clutch companies have stiff warranty's. Too many other factors take place with clutch installs.
Appreciate 0
      12-11-2012, 06:39 PM   #18
Zebra99
Colonel
Canada
35

 
Zebra99's Avatar
 
Drives: 2011 335is E93
Join Date: Aug 2011
Location: Ontario


Posts: 2,310
iTrader: (5)

Garage List
I say you go back to the machine shop and have a little chat with them.
Maybe they can re-machine the DMF, but this time right.

I would also call ACT, explain the situation and they may be nice enough to offer you a more significant discount than normal for being a return circumstance....given the holidays an all

If all goes well, you'll have a new clutch for cheap and only be on for install $$.

GL man!
Appreciate 0
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 10:33 PM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST