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      09-01-2023, 12:00 PM   #8
rjahl
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Drives: Z4 35is
Join Date: Jun 2011
Location: Tampa

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2012 Z4 35is  [0.00]
Quote:
Originally Posted by Jros View Post
on a side note: this is the third N52 engine i have in this car: 2 N52B25 and this one, a N52B30.

They all more or less had the same behaviour so i think it is an N52 / Valvetronic II "quirk"(had MILVS in the last 2 engines)
Are you running a custom tune for the MILVS? Have you tried flashing the stock tunes to see if the MILVS tune is part of the problem.
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