Thread: JB3 vs JB4
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      05-20-2012, 02:05 PM   #3
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Drives: 335xi sedan 2008
Join Date: Mar 2008
Location: Montreal, Canada

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Originally Posted by Beemw335 View Post
Boost is boost, jb4 will probably make the exact same power if it runs the same boost, but it will be much smoother than jb3 for sure.
If you have it, try it out, and if you like it then leave it, if you dont like it then put back jb3.
Btw what track do you go to? Mirabel? Napierville?
Napierville, Mirabel et St-Eustache. Suis deja allé aussi a Pont-Rouge
'08 BMW 335xi // Sedan // Black Sapphire // Sports Package//Mods: JB3 2.0|Unlocked 18ohm Board|BMS Meth Kit|AA Speed Delimiter|BMS tuning gauge|UR CL DP |BMS DCI|AA Exhaust|Helix fmic|CDV|H&R coilover| 10mm Spacers H&R on 4 wheels|**Record for XI's on, 11.768s@118.70**Top speed 186,4 mph GPS, vbox 60-130mph at 10.18
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