I hate a GTS Black that I had installed on my AMG C43, for which it was great. I removed it, and have been waiting for RaceChip to finish the R&D for the US spec G20. I see it's ready, so now I just need to get them to answer the phone so I can get the details on sending it back to get reprogramed for my M340i.
Glad to see you guys are enjoying it.
I just ordered a Dragy unit as well. So I'll post some before and after results when I can.
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