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 Advertisements
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.
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Follow this link for a great video on how to service the fluid and filter on your ZF 6 speed. Advertisements
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