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      02-15-2018, 08:54 PM   #33
Jeff@TopGearSolutions
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Drives: C6 Z06, 09 335i, 10 335xi
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Quote:
Originally Posted by wcc135i View Post
Will full power potential be realized? I mean I get that another tune will net more power, but it can't be THAT much more than the Dinan. Am I right?
JB4 would have good gains over Dinan. Dinan has always tuned conservatively and doesn't offer a map for gains with downpipes.
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