Quote:
Originally Posted by PackPride85
I doubt BMW manufactures any single component in the motor itself that they assemble in their factories. Bearing tolerances are so tight in motors today there's not much room for error. This was likely a QC issue at the bearing manf. they didn't catch.
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I agree - it's a quality control issue combined with lack of data from bench testing components intended to work together for a prolonged time.
Neither BMW nor customers want these issues to occur.
The question - how could this issue be avoided to begin with?