The differences are small but they are critical for ensuring the seal install correctly

This is the proper way to 6MT swap your E36 and E36 M3 that uses a 4-bolt driveshaft

Bolt these on to your stock E36 or Z3 for a instant 12 ft-lb torque and a 9 HP gain - we often see more on modified engines

15 dB(A) when the flaps are closed and the resulting comfort allows longer journeys without problems

BMW E46 M3 SMG 420G Bellhousing Manual Conversion Service Options:Vapor Hone The differences are small butMSportParts now offers an SMG Bellhousing Conversion Service! All SMG conversions now include the sensor delete kit. Why is vaporhoning so much? Because it is a multi day 5 9 hour process of cleaning, removing all bearings races studs, vaporhoning multiple times, more cleaning and drying. The process for this service is as follows: Professional machine shop work on a proper mill (no hand drilling). One hour exterior and interior clean. Detent