I think you guys are looking at this from the wrong angle, the XDI unit has fewer failure points vs an entire PI setup. The XDI unit is also a much more elegant fueling solution than PI.
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2015 M3 - AW 6Spd w/ CCB
MCS 2WR Dampers, Spec Twin Disk Clutch, MaxPSI CH, F80Paul Ethanol Tune, 3.5in DPs
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