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

RambleJ · 05-14-2009, 05:03 PM

The JB3 has alot more safety features built in since it works through the ECU. The JB+ is a TMAP tune and only so much can be done through the TMAP.. If I were you i'd go with the JB3.. Im looking into upgrading from a JB+ to a JB3 very shortly.

05-14-2009, 05:03 PM	#2
RambleJ Colonel 60 Rep 2,014 Posts Drives: F10 535i M-sport Join Date: Oct 2008 Location: Back in teh so cal iTrader: (2)	The JB3 has alot more safety features built in since it works through the ECU. The JB+ is a TMAP tune and only so much can be done through the TMAP.. If I were you i'd go with the JB3.. Im looking into upgrading from a JB+ to a JB3 very shortly.
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