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      01-19-2013, 09:57 PM   #2
boostaholic786's Avatar

Drives: E92 JB4 G5 ISO RB's FBO+40%E85
Join Date: Dec 2011
Location: irving tx

iTrader: (0)

Did your car do this before you installed your JB4? And what do you mean "turn the JB4 on while on the highway"??? Its on after you install it...I dont think it has anything to do with the JB4 in any way but with your mods you should make sure you connect to a laptop and update to the latest firmware/interface and restore defaults under the file menu and run map 1. you should probably try cleaning the vanos sensors or solonoid before you go and replace your VANOS system. Def pretty weird if you ask me.....
A/W E92 335i M-sport with JB4 G5 ISO/ E40 WEDGE PERFORMANCE BACKEND FLASH, Alpina TCU flash for AT/Switch-tronic +AR Downpipes, Stett gen 1 intake, Wagner-Tuning FMIC+RB Turbo setup/ RB PCV Valve+ Akro exhaust+60% E85/93 mix,+ HRE P40S wheels, KW coilovers, M3 sways,+BMW performance CF Mirrors, BMW Performance CF deck lid spoiler,+ CF interior trim, p3 vent boost gauge,+ LUX angel eyes (11.73@119mph on street tires) NO METH!