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      02-05-2013, 08:02 AM   #23
Mike@N54Tuning.com
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Drives: 2007 335i, 2015 M3
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Quote:
Originally Posted by jsaps View Post
Thanx for the info! Gotta decide on which way to go...was leaning towards the Cobb AP because its a feet power gain compared to the JB4...am I correct? Or am I mislead.
The Cobb power gains are a fraction of what you can get with the JB4 but that's only becuase they have not released stronger maps yet, pro tuning software, etc. In theory they eventually should put down similar power as both can max out the small factory turbo. The JB4 gives you autotuning, in dash gauges/features, better diagnostic invisibility, costs less, but takes a bit longer to install.

Mike
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