BMW 3-Series (E90 E92) Forum - View Single Post

Dextrek · 02-18-2013, 10:34 AM

I am doing the test myself as well. Currently I have JB4 G5 ISO, but looking to upgrade to Cobb BMS back end tune. I want to see how that compares to the Cobb Protune. Anyone have any experience with both? or seen any comparisons?

02-18-2013, 10:34 AM	#35
Dextrek Private 9 Rep 96 Posts Drives: 335i Join Date: Sep 2011 Location: Michigan iTrader: (1)	I am doing the test myself as well. Currently I have JB4 G5 ISO, but looking to upgrade to Cobb BMS back end tune. I want to see how that compares to the Cobb Protune. Anyone have any experience with both? or seen any comparisons?
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