I haven't bled a BMW clutch for a lot of years, including when I installed a CDV on our 325xi (managed to prevent air getting in).

However, I would not use a power bleeder. I would approach it the 'old fashioned' way, with a Coke bottle half full of fluid and a rubber hose from the bleeder going into the Coke bottle (to below the fluid level). I would open and close the bleeder as required, with an assistant on the pedal. Just my $0.02.

Good luck.

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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