Mine is an M coupe so sorry if I confused you :\\
Here is a link you can plug in different offsets and see what it does.
http://www.1010tires.com/Tools/Wheel-Offset-Calculator
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2006 M COUPE - 380 total production, 1 of 40
Imola Red produced for NA , ESS 455 Supercharger, Speedhut Gauges, VPM CLS wheels, 19" Hancooks, Stromung Exhaust, Carbon fibre accessories and black and white badging,