Quote:
Originally Posted by AndroidRobot
there's not really a. need for more power imo. I haven't seen any aftermarket upgrades yet
maybe a generic N63 intake
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I just modified my X5 50i: velos Tuning , they just figured out the software for the stage 2 tune. First 50i to be tuned in the U.S. it gave me 154 extra HP and 100ftlbs. Took it to dyno today. I’m sure they have something for the 40i, or can developers it quick due to just finishing mine for the 50i.