Bad Jb4 dyno results but car seems fine? Please someone help!
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12-04-2012, 06:56 PM
Drives: 2011 e88 135i
Join Date: Dec 2007
Location: Miami/Central Florida
I don't know much about dynos but did you make sure the oil temps are not cold when you dyno? The reason I am saying this is because I was told that the JB4 doesn't turn on until the oil has warmed up.
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