Its a BS service, do not do it.
M3 engine is port injected, port injected engines do not have that much carbon build up especially at this miles.
Picked up via ED 9/27/2011
2011 BMW M3 Sedan Alpine White
Black Novillo Leather | Carbon Leather Trim | 6 MT | Premium Package 3 | Competition Package | Fold Down Seats | Satellite Radio | iPod/USB | Anti-Theft Alarm