I am finally doing it. I am ordering the Burger tuning stage 1 in a couple days. I have also ordered a 550 Msport rear diffuser to fit the quad exhaust I should have on deck by early October
I think 4 months stock was long enough...

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2012 535i M-Sport

Previous BMW's: 87' 528e / 04' 325i / 07' 335i / 08' 335i / 08' 535i