What makes an M3 sound like an M3 ?...
I was wondering, we have a dozen exhausts for our 330´s, but none, even with headers, comes close to M3 exhauts in loudness and sound quality. Why is that ? what engine or exhaust part makes the M3 sound that good ?
2002 BMW 330ci | ASA Stage 1 Supercharger TM-12 @ 8PSI | Eibach Pro-Street Coilovers | Meyle HD RSM | Pagid RS-14 | 15R Spacers | P46 Projectors | 18" BMW MV2 Wheels | Bastuck Exhaust | M-Tech Front | ZHP Shift Knob | M3 Steering Wheel | Black Kidney Grills |