as promised here are a few pics and infos on the m2 and m4 diff conversions that i recently did:
here you see the OE pumpkin with the active m-diff:
on the left an untouched pumpkin and on the right three already removed active lsd cores:
next up the welded ringgear needs to be separated from the lsd core:
surface need to be shaved perfectly even:
then holes are drilled and threads cut:
now it is time to build the drexler lsd core... here with my special "GT race" setup that is also available for m3 e92 of course... drilled clutches, weight optimized pressure rings, ... nice stuff in there!
installed in the pumpkin and with properly set dynamic friction and backlash it looks like this:
if you want to see some more pics just click here:
http://www.limitedslip.de/service/ei...rexler_m4.html