My friend used it on her 335 diesel and dyno jet gains were higher than what they claimed and she did 36k miles with no issues on her lease.
Never got a print out, but the butt dyno definitely felt the increase.
There are several threads for e90 and f30 guys using them already. The tune was a lot more popular in Europe and is just getting introduced here.
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Current: 21 M5 Comp, 17 X5M, 06 M3, 14 Ferrari FF, Tesla Model S Performance.
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