I would be very interested in getting a 5 or 6 speed tranny in my friend's C43. Can anyone here tell me if it's ever been done? or if it's even possible? I'm an ex 500E owner who moved to an 02 M3 and my buddy can't stand the fact that I blow his C43's doors off. Any advice is greatly appreciated.

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94 E500 Sport
SOLD:
2002 BMW M3 Coupe 6 Speed.
SOLD:
92 500E Black Pearl, Black.
18" 2 Piece AMG
ASR Defeat
Performance Chip
Crossed Drilled Rotors.