Quote:
Originally Posted by m6pwr
Here's a rather long discussion of the topic - http://www.myturbodiesel.com/1000q/engine-break-in.htm.
The most salient advice in the article is, "My suggestion is to follow the owner's manual written by the people who made your car."
Look in the index to your owner's manual to find break-in procedures.
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During my BMW factory tour, the guide stated BMW does not dyno each engine, nor do they even run the engine prior to installation. To save money all they do is a simple pressure test, so I have some doubts about the accuracy of the linked article. If the engines were dyno'd at the factory, then I would consider following the break-in procedure. Since BMW doesn't do this initial step, I break in my engines under load, which normally means 150mph on the Autobahn. I know it goes against BMW's recommendation in the manual, but I do what works for me. BTW, burning oil should not be considered normal for a BMW.