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I worked at the service department of a BMW dealership about 12 years ago, when the e9X platform was being sold as new. The lifter tick is normal. It's not harmful and there is no fix for it other than driving the car hard for a bit AKA the Italian tune-up.
Edit: I guess "normal" isn't quite the right word. But it's common.
One of the techs explained it to me. Something about an air pocket created on the lifter when the oil drains out completely. Needs higher RPM to "force" the air pocket out.
I can totally understand hearing it for the first time and being concerned. I was too.
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-Thumbie
2011 Jerez E90 M3 6-speed Competition Package
Last edited by Thumbie; 08-26-2024 at 10:51 AM..
Reason: Changed vacuum to air, thank you Assimilator1 for clarifying
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