Brenn Tune looked really promising, and if you take your car their you get it fine tuned on the dyno. That makes it worth it.
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135i N54 manual
MR-S with a 2zz swap and mods Sold
EVO X MR - Phantom Black - Ti Exhaust - Ti UICP - AQM Intake - Sold
Z4 M Coupe - H&R - RE Diablo - RPi - Tekarbon - Sold
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