Nobody knows, unless they have seen the car. BMW didn't talk about it much. It was a publicity exercise, not a race car. This is all water cooler talk.
Four wheel drifts existed for years before awd came along. Doesn't depend on whether the vehicle is rwd or awd.
Obvious plan would be to upgrade the rear diff to one used in a higher hp model. Same with the transmission.
I believe the awd would have been left off because the V12 has an oil sump where the E53 has a front diff. It would have been difficult to put two components in the same space, unless they had a V12 sitting around that had been modified for awd use. And even then, you would need to find room for a transfer case. I don't believe the transfer case is rated for anywhere near the power they were developing, whereas they do have transmissions and differentials that are designed for higher power levels than the E53 had stock.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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