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      02-19-2011, 07:52 AM   #2
Youngbp04
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Drives: 2010 Space Gray 335i M-Package
Join Date: Dec 2009
Location: Virginia

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There are a bunch of threads on this, but to sum it up it is a bad idea to not follow the 1,200 mile break in. There are abrasives in some of the fluids that help break the engine in, and could cause lasting damage to your car if driven too hard before all the fluids have been changed at the 1,200 miles service.

I don't mean to scare you and it probably wouldn't hurt the car if you accidently broke the rev limit, but if you do it for extended periods it would be detrimental (possibly warranty voiding?)

Hope this helps