First I was afraid, then scared s#§%less. Once you dremel that case YOU ARE commited.
And no joking, cutting the seal all around is multi-hour PITA.
Just put the glass back in with the 3M window weld urethane. Can't wait to see it back on the car.
Thanks for all the good advice in this thread.
Silver 2004 BMW E66 / 745Li (DIYs):
ASK, Logic 7, blower, battery, guibo joint, active stabilizer bar bushings, diff oil, tranny sw update, vacuum pump gasket, window lift, a/c compressor, washer fluid reservoir, belt tensioner and deflector, crankcase vacuum hoses, crankcase vents, solenoid gaskets, headlight overhaul, ISM, hood lifts, driver mirror, sway bar end links, rear fog lamps, headlight washer
headlight vertical aim, VCGs, P0492