Quote:
Originally Posted by Joshhleee
or i thought the jb did something cause of the extra horespower and torque, idk just my thoughts.
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Not a grinding noise though.
Have you had a chance to remove the JB1 & test?
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328i M-Sport, Estoril Blue, Carbon XP 35 Tint, front heated seats, black Dakota, Sports Suspension, Anthracite Headliner, HUD, Pro Nav, Sunroof, hk 600w, Bi-Xenon, 19" 403M wheels, Reversing Camera, DAB+, Xenon, BT Ext Connect, MST turbo intake pipe, MST Cold Air Intake, JB4 on Map 2 with Catless DP produces awesome performance in Sport.