I appreciate your response. I have removed the bolts you described, and the alternator is now sitting freely in its mounting location. I can get it to swing a little out away from the mount lugs where it would bolt to the alternator bracket, but for the life of me I can't get it to slide forward.

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2007 BMW X5 4.8i - Sport Package, Wife's Car

2001 BMW 325i - My Car.

2005 Ford Excursion Limited 4x4, 6.0 Powerstroke Diesel. My first "grown up" car.