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      03-02-2025, 09:48 PM   #22
Mondomensch
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Drives: 2020 BMW X3 sDrive30i
Join Date: Jan 2024
Location: NorCal

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There’s a relatively recent you tube video from FCP Euro that talks about the B48/58 engines and typical repair issues. Oil filter holder and heat management unit were noted in particular because the plastic at their sealing faces melts/distorts over time and allows for oil and coolant leaks and even mixing. Sounded like 50k-75k is when those particular parts often start showing leak/failure issues.

Might be worth tracking down and watching the video
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