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I have almost 5000 miles on this tune and absolutely love it! No issues whatsoever and car pulls like an absolute beast!!! By far the best money I've spent on the car so far! I've tested 3 of the popular piggybacks and this ecu tune blows them all out of the water!
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2019 SG M5C
2015 SO M3 6MT
2015 BSM M235xi
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