Thread: X5 50i vs X5m
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      06-29-2015, 07:04 AM   #26
Terp335
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Drives: E90 2011 335i M Sport
Join Date: Jun 2011
Location: No VA

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Not enough miles on the n63tu to tell if it's got the same issues. The recent bulletin issued by BMW requiring a battery change at each oil change interval applied to both engines though (n63 and n63tu).
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