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      01-11-2013, 01:52 PM   #16
octane chick
llis's Avatar

Drives: ex-M
Join Date: Oct 2010
Location: Colorado

iTrader: (1)

Garage List
2013 BMW M3 ZCP  [5.00]
2003 BMW M5  [0.00]
Originally Posted by CanAutM3 View Post understanding is that the break-in oil should be changed before the engine is operated beyond the specified break-in limitations. The different composition of the break-in oil and any contaminants present (manufacturing residue) may have a negative impact on the engine.
That's what I understand, too.

Previous car I kept below 5500rpm for the first 1200 miles. I also refrained from WOT + short-shifting. It took a lot of restraint!

After 1200, I never had any issue of needing to replace oil (except once when the gasket on the oil cap got creased). Even after a hot track weekend. Not in the 32,000 miles before trading it in.