Attached is a great how-to written by USER texasmontego from http://www.northamericanmotoring.com It is very common for Direct Injection vehicles to suffer this problem.IT is inherent in the design of the system.Some vehicles come with a secondary set of injectors in the Intake to alleviate issue’s from buildup. R56 MIni Carbon Build-Up Cleaning Procedure
Intake valve cleaning N54 turbo Motors The newer Direct Injection motors have issues with intake ports clogging.This link shows a great way to clean your intake and restore that like new performance.
Ceramic composite Brakes For New M3/M4 Even the brakes are insane on the new M cars
WOW this is amazing
Follow this link for a great video on how to service the fluid and filter on your ZF 6 speed.
New 328i 28MPG And BMW Quality Tops Consumer Reports for 2014
NEW M4 Coupe Production Starts Today NEW M4 Coupe Production Starts Today