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      01-15-2023, 12:29 PM   #37
OriginalFake
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Drives: 2023 M240i
Join Date: Jul 2010
Location: NC

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Quote:
Originally Posted by Cerealkiller View Post
The manual says keep it below 100mph and 4500 rpm for the first 1200 miles. Is it better to take it up to 4000-4500 rpm every now and then as opposed to keeping it in the 1000-3000 range? It seems like you would want to gradually increase the load on the engine for a proper break in.
From what I understand, it's best to vary the RPMs over that range than to keep it running at a more constant RPM. That's why they tell you to avoid using cruise control during the break in period.
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