Quote:
Originally Posted by chentw
FSociety I mean the preprogram map 1 and 2 on the JB4 does not add significant power according to that auto shop owner.
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PM your location btw thats 100% incorrect there's a big difference between both maps.
For ex, map1 is for any car even OEM adds a mild boost increase of up to 4psi.
Map2 requires 93 octane & preferably downpipes and adds up to 6psi
I still say you will have a better more enjoyable drive with Bootmod3 Flash
https://www.protuningfreaks.com/pages/bootmod3-faq
http://f30.bimmerpost.com/forums/sho....php?t=1321857