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Old 12-04-2012, 08:12 PM
MRV99 MRV99 is offline
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Location: Chicago
 
Join Date: May 2007
Posts: 1,082
Mein Auto: 2011 M3 DCT
It will not harm your engine. Since it is an auto and the fuel cut off, you can't over rev it that will cause damage. Actually red lining (technically yellow line) is good for the BMW engines. These motors were not designed to slog around in low RPM's. When you run high RPM's, it helps clean out your oil passages. Overly long 15k oil change intervals do more harm than redlining your car. I had a 545 which saw redlines every time I merged onto the highways and I had 75k with no engine leaks or issues.
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