Thread: 2014 bmw 550xi + BMS stage 1
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      01-24-2014, 05:48 PM   #65
combatbmw
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Quote:
Originally Posted by ARadoncic550 View Post
Combat - The drop with the tune for the N63TU is steeper then the stock... weird.
Ya I know!

When are you going to the dyno!?

downpipes just need a tune, its ecu related. Im positive on this.
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