Thread: Cost effective performance N51
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      10-19-2018, 04:37 PM   #28
OneTwenty8i
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Drives: 2013 128i
Join Date: Jul 2017
Location: East Bay

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Quote:
Originally Posted by desertman123 View Post
MILVS + BPC tune, along with some sort of transmission tune are your best options

AFe makes cat headers too
Does a transmission tune exist for these motors/trans?
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