BMW has let loose a new M Performance Power Kit for its F30-generation 335i and 335i xDrive sedans. Starting at $1,100 for the kit – installation is extra – your car will be fitted with a new ...

The automaker is now offering the BMW Performance Edition as a a limited-availability option package on 2011 335i sedans ... are unaffected by the power upgrade. -Black kidney grilles and a ...