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Old 08-16-2018, 09:39 AM   #4
BMWM.D.

 
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Drives: ZL1/335i
Join Date: Apr 2014
Location: Santa Barbara
Posts: 870
Most reputable tuners use HP Tuners on this platform. It’s what I use.

That said, you seem to be fairly close to Weapon-X, Livernois, and Katech. James Shor (Shor Tuning) is a good option, though probably a long road trip.
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