[DustenT]

Originally Posted by Prada

hello,
my M42 motor had 200k km (about 125k miles!)
now it's time to change the original cluch,
because in fast start slip a lot...

but also my flywheel is exsaust...
my motor mount the dual-mass flywheel,
the new part, in bmw, cost over 600$
and his weight is: 12.250 kg (about 26.95 lb)

in germany i have find, in ebay,
this lightweight mono-mass flywheel:
http://cgi.ebay.de/Bmw-E30-Sport-Sch...QQcmdZViewItem

but the weight of this part, is only 6.9 kg (about 15.1 lb)...

if i will install this flywheel on my original motor,
the minimum range (950 rpm)
it will have any problems?

excuse my bad english,
thanks,
goodbye!

That should work fine. I think I have the same flywheel (if that's an actual BMW part). You might have some flywheel chatter at idle, but that happens with all but the really expensive flywheel/clutch combinations.

For reference, anything that works on an m42 (e30 or e36) will fit on an m44.