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  1. E39 M5 and E52 Z8 Discussion
    Hi everyone! I have AC Schnitzer D.F.C. installed on my M5 2001. After total painting works (suspension was de-installed too) D.F.C. does not work properly. Very often when I start the engine, it displays "SYSTEM ERROR" message and operates only in hard way, like "Race Track". But even if it...
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