Quote:
Originally Posted by 135i2
Best result is fitting the full Monty as many have done. The entire, stronger M3 cradle, diff, axles and hubs. The whole shebang is pretty much plug n play if you grab the front yoke with the diff. I tossed the M3 brakes for a big brake kit. Why would you want to keep the 135 axles over M3/1M if available? No master cylinder change required.
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If you wanted to fit the M3 brakes though, master cylinder should be changed as it's different to the original 135 one - Then could go an M3 BBK
not that it would be a major issue, just doing it all right.