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      01-25-2026, 09:22 AM   #6
moose09876
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Drives: 13 135i mt 20 Chevy 16 R1200R
Join Date: Oct 2013
Location: Indiana

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Quote:
Originally Posted by e80two View Post

I had a DKIM clutch in there, and I honestly think it would have worked, but the STOCK S55 clutch lb-ft rating is pretty much the same, so I went ahead and used the used s55 clutch that came with the transmission purchase. I also had to use a cutoff wheel to cut off 1/2" of the transmission output shaft to get it to clear the guibo.

Parts list:
-F80 M3 transmission, clutch (+ bolts), flywheel (+bolts)
Does anyone have info on the difference with the S55 clutch? I have an F10 clutch with a DMFW and a clutchmasters setup with aluminum SMFW. Would definitely like to re-use one of those.

Edit: Kind of answered my own question. The M2/3/4's have a longer bell housing and a thicker flywheel. Requires to use a clutch with the correct spacing. If I had my own lift and I wasn't borrowing time on a friend's, I'd investigate a workaround.

Last edited by moose09876; 01-26-2026 at 08:26 AM..
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