SMG Box
Sorry if this has been answered before... but
What is the physical difference between the M3 SMG and CSL SMG.
It is just a question of them having a different ECU / software?
Best
Jonathan
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M3 CSL, Silver Grey, 2004, Factory de-limit, Alcon BBK, Rogue Rear Control Arms, Turner Top Mounts, Braille CF Battery
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