Thread: N55 Cobb vs JB4
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      02-13-2013, 02:14 PM   #3
b1aze
Just one more taste...
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Drives: 2013 128i 6MT MSport
Join Date: Aug 2012
Location: Uxbridge MA

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Both have advantages and disadvantages. JB4 is nice because of the ancillary options, such as gauge hijacking, shift light, steering controls, etc.

Cobb is nice because its an actual adjustment to the timing and fueling tables instead of an altered signal from the DME. You can also adjust the throttle mapping to get rid of the awful stock mapping and get better control of the throttle at mid-range in the throttle position.

In the end, they both have very similar results as far as power and drive-ability. There is no definite one-over-the-other
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