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E39 540I Flywheel

8K views 21 replies 14 participants last post by  GSXRYDER 
#1 ·
I need a little help, can anyone tell me the differance between a M5 flywheel and a 540 flywheel?
 
#2 ·
The M5 flywheel is only a slightly lighter version of the 540i flywheel.

Maybe 5 pounds lighter. Otherwise, very similar.

P.S. Please explain your "900 pounds less weight" statement in your signature...
 
#4 ·
P.S. Please explain your "900 pounds less weight" statement in your signature...
The car has been stripped down to be a full time track car. It started out at about 3850lbs and now it only weighs 2950lbs.

So the reason for my question is a guy I know has a lightened M5 flywheel and I need to know if it will work in my 540
 
#10 ·
Damn - that's awesome. I'd love to do that if I had the money for a 2nd track car.
 
#14 ·
Thanks for the link. I have been looking at the JB flywheel. The car is in my shop getting a new LSD and a different gear set installed. I will post some pictures tomorrow on this thread.
 
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