I'm curious how you get it to run in 2wd mode? As far as I thought, the sport+ tweaked the ratio to more rear, but didn't turn off the front all together. I thought that was a new feature of like the new 8 series only. I am ALLL ears on how to do this!
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2016 Glacier Silver 328d Msport Xdrive wagon - Kerma Tune bench flashed - SOLD
2016 Alpine white 535d Msport - Kerma Tune, CF rear spoiler
1975 Corvette 496 stroker, ridetech suspension, ATSpeed R-man valve body TH400 - in progress.