BMW 3-Series (E90 E92) Forum - View Single Post - Jb+ on 2007 e92 help b4 I take I for warranty work

menewtobmw · 11-16-2012, 06:15 PM

The JB+ is nice, but the other tunes, JB4 and Cobb are much better.

I have also heard from this forum that the JB+ isn't the safest way to tune, but I have no evidence.

11-16-2012, 06:15 PM	#3
menewtobmw Private First Class 25 Rep 160 Posts Drives: 2007 335i Join Date: Jun 2010 Location: Scottsdale, AZ iTrader: (1)	The JB+ is nice, but the other tunes, JB4 and Cobb are much better. I have also heard from this forum that the JB+ isn't the safest way to tune, but I have no evidence. __________________ 2007 335i
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