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Re: Oh, forgot, my idle smooth at 600-650rpm.(EOM) (archive)
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Posted by WH on March 05, 2001 at 12:36:50:

In Reply to: Oh, forgot, my idle smooth at 600-650rpm.(EOM) posted by Rob Anderson on March 05, 2001 at 12:23:23:

The stock one weighs 22lbs for the one that is used on the M30 b34 motor(E28 535i). The early ones use the same flywheel as the M5/M6 which is I believe 16lbs and came on the pre '84 (E28 533i) and other cars. The only way to really tell is to weigh the one you have. I would also suggest lightening that down to 15lbs because Top End not only lightens, but resurfaces and zero balances. They also install new guide pins. At $150 who can beat that?

Rob
M535i SIG Chief Techincal Advisor
www.m535i.org


I got mine from Top End Performance and I have a smooth idle and the car now revs like a E30 325i. I love mine and would never go back. BTW, I would also use the M5/M6 clutch with it. All the part numbers are listed in my technical articles page.

Rob
M535i SIG Chief Technical Advisor
www.m535i.org


I bought a custom 8 lb aluminum one from Paeco. Not cheap $600 though.

Works very well, I too upgraded the clutch.

WH

Doesn't the stock flywheel weight around 18 lb?

Still a smooth idle at 750rpm....


Actually any good machine shop will do this for about the same price. I once had 3 lb removed from my 2002 flywheel (and resurfaced, balanced) for $120. No big deal.

Either you can buy from Top End or have your stock one done, same difference.

I believe the early flywheels weigh around 18 lbs... at least that's what my weighed at the time I removed it.

The M5 clutch & friction disc was around 10 lbs by itself....

WH
PS :My car can idle at 500rpm smooth if I play with it enough! :-)


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