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      12-07-2018, 05:21 AM   #9
SUB-ZERO
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Drives: 2018 M2 + Spur, DB11, F12, X5
Join Date: Jul 2009
Location: VA

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I had the VF Stage 1 in my OG M2, makes a huuuge difference.

I now run BM3 on my M2C simply because they dragged their feet on releasing the tune.

Can't go wrong either way. The VF folks have great customer service and BM3 folks have automated/simplified the tuning process a bit better.