Thread: My MHD stage2+ N55 feels weak
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      03-08-2019, 06:25 PM   #11
JM98
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Drives: 2009 135i
Join Date: May 2016
Location: SoCal

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Just looked again, that timing correction is post shift and fairly common/normal. How many miles on the car? Might be a bad boost solenoid.
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