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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Clutch = Flywheel Replacement?



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      04-21-2020, 06:02 PM   #1
2jz300
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Clutch = Flywheel Replacement?

Hey Fellas,

It appears that the clutch in my 2011 335is is worn and I am experiencing some slippage.

I plan on replacing the flywheel as well but I am having a hard time finding one that is suitable for my 335is. LUC has cheaper options for their DMFW for the N54 platform but for some reason it says it is not compatible with my car. The only option I have been able to find is the BMW OEM flywheel which is $1100.

Is there any additional options for the 335is that I would be able to use? Really not trying to spend almost double on a flywheel.
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      04-21-2020, 09:35 PM   #2
WoodE30
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Quote:
Originally Posted by 2jz300 View Post
Hey Fellas,

It appears that the clutch in my 2011 335is is worn and I am experiencing some slippage.

I plan on replacing the flywheel as well but I am having a hard time finding one that is suitable for my 335is. LUC has cheaper options for their DMFW for the N54 platform but for some reason it says it is not compatible with my car. The only option I have been able to find is the BMW OEM flywheel which is $1100.

Is there any additional options for the 335is that I would be able to use? Really not trying to spend almost double on a flywheel.
Hit up fcpeuro.com.


https://www.fcpeuro.com/BMW-parts/33...words=Flywheel
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      04-22-2020, 06:29 PM   #3
Smgs1992
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Quote:
Originally Posted by 2jz300 View Post
Hey Fellas,

It appears that the clutch in my 2011 335is is worn and I am experiencing some slippage.

I plan on replacing the flywheel as well but I am having a hard time finding one that is suitable for my 335is. LUC has cheaper options for their DMFW for the N54 platform but for some reason it says it is not compatible with my car. The only option I have been able to find is the BMW OEM flywheel which is $1100.

Is there any additional options for the 335is that I would be able to use? Really not trying to spend almost double on a flywheel.
What are the miles on the car? My local bmw indy shop was able to resurface my flywheel and reuse it at 92k
And the reason the dmfw isn't compatible is it's a 6 bolt vs the 8bolt on the is(might be vice versa)
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      04-23-2020, 08:29 AM   #4
2jz300
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I currently have 77k on my 335is. Ive done some reading on here and there seems to be a debate on whether resurfacing can be done. I will ask around my local area to see if any shops are able to successfully do this.

Another thing I read is that BMW claims the Dual Mass Flywheel is good for two clutch changes. Can anyone confirm this?

The OEM flywheel is about $1000. It would be nice if I can save money somehow.
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      04-23-2020, 09:36 AM   #5
WoodE30
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Quote:
Originally Posted by 2jz300 View Post
I currently have 77k on my 335is. Ive done some reading on here and there seems to be a debate on whether resurfacing can be done. I will ask around my local area to see if any shops are able to successfully do this.

Another thing I read is that BMW claims the Dual Mass Flywheel is good for two clutch changes. Can anyone confirm this?

The OEM flywheel is about $1000. It would be nice if I can save money somehow.
DMFW can't be resurfaced only SMFW. The reuse of the flywheel really determines the condition of it, thickness remaining, hot spots.

Did you not see my link?
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      04-23-2020, 12:04 PM   #6
2jz300
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I saw your link. I could not find much info on those SPEC flywheels.

Are they Single or Dual mass?
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      04-23-2020, 12:16 PM   #7
Jeff@TopGearSolutions
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Quote:
Originally Posted by 2jz300 View Post
Hey Fellas,

It appears that the clutch in my 2011 335is is worn and I am experiencing some slippage.

I plan on replacing the flywheel as well but I am having a hard time finding one that is suitable for my 335is. LUC has cheaper options for their DMFW for the N54 platform but for some reason it says it is not compatible with my car. The only option I have been able to find is the BMW OEM flywheel which is $1100.

Is there any additional options for the 335is that I would be able to use? Really not trying to spend almost double on a flywheel.
The appropriate flywheel for your vehicle is the same 6 bolt as the 09-10 N54 cars and 2011 N55 cars.

You will not want to resurface a DMFW as it has internal components (balancers) that wear and can cause imbalance issues, chronic CEL/Misfires/Limp. (This is overtime of course and not immediate and would depend on the actual condition of the DMFW).

If your car is under 500WHP, you can continue to use/replace DMFW, otherwise if you plan on going above that power level consider something like a Spec Stage 2+ / 3+ and SMFW. <-- These are the most popular sellers in this platform.
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      04-23-2020, 01:09 PM   #8
WoodE30
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Quote:
Originally Posted by 2jz300 View Post
I saw your link. I could not find much info on those SPEC flywheels.

Are they Single or Dual mass?
stock flywheels are dual mass.
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