Thread: How's the reliability for a 2014 or 2015 X5 50i?
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      11-20-2017, 09:55 PM   #7
Stev_chu
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Drives: 2015 BMW X5
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Originally Posted by ALLUC View Post
Valve stem seals is a very common problem for the N63TU and the N63 before it. It has to do with the heat the turbos produce, breaks down the material used in the seals
I should've gotten the 35i instead
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