Tools Required Jack stands Metric wrenches, sockets (12mm,13mm) Bentley or Haynes manual Facilities Needed Level surface Parts Required M3 exhaust (about $200 used, $800 new) Jack stands Getting Started Stock E36 6-cylinder pipes sound good upon start-up and idle but raspy under acceleration, and create a strong resonance – mainly for back seat passengers – at certain throttle positions. Installing an M3 exhaust will make the engine sound smooth and quiet throughout the...