Quote:
Originally Posted by HEBREWHAMMER0913
I just took the x5 home you think I should put the jb4 on now or wait till 500 or so, I got 24 miles. I was going to wait till like 1k for the down pipe or does it even matter.
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Did you ever get a chance to install the JB4 and compare stock vs modified figures?
It looks like it may be a while until the new Bosch ECUs will be unlocked, so now I'm trying to figure out between the JB1, JB4 and Racechip.
I understand JB1 and Racechip have less capablities than the JB4, but I'm not looking to add any other mods except for 93 octane.