I'm am working on swapping an m50 into my 86 ETA. I will be using the ETA transmission. The last piece of my puzzle is a clutch and flywheel. I know about using the 323i throw out bearing when using the E transmission but searching around it seems most are using the m20 setup. Any reason not to use an e36 flywheel and clutch? Seems to be more options out there?
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Mainly because its cheaper/easier to run a single mass flywheel with m20 setup. -
Either will work fine. The M20 clutch has issues with the S50/52.2006 GMC Sierra 2500HD 4WD LBZ/Allison
2002 BMW M3 Alpinweiß/Black
1999 323i GTS2 Alpinweiß
1995 M3 Dakargelb/Black - S50B32/S6S420G/3.91
1990 325is Brilliantrot/Tan
1989 M3 Alpinweiß/Black
Hers: 1996 Porsche 911 Turbo Black/Black
Hers: 1988 325iX Coupe Diamantschwartz/Black 5spd
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Nrubenstein is correct. You need to shave the engine side of the m20 flywheel down to the ring gear (or close to it) or you'll have clearance issues. The s50/52 with an m20 flywheel will need a beefier clutch setup as the stock m20 clutch will probably not last too long. I'd do the e36 clutch/flywheel (and ZF if possible) as the late model e36 starter is threaded too (making things a bit easier should you need to remove it later on).Comment
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Unfortunately i don't have the zf trans. Someday I'd like to go to a 6 speed though.
M50 is stock for now but will most likely see cams and a turbo in a year or 2 when it finally gets retired from daily status. I do have the e36 starter but its from an automatic car, will it still work with the e36 5speed flywheel?Comment
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