Thanks for the advice. There are no strange characters present, and I only have 15 numbers programmed in it at the moment. I tried moving some numbers from the Phone memory to the SIM card in the hope that it would make a difference, but no luck. It's just stuck on "Loading Phonebook" !
From experience with an older Blackberry (and now an 8830) I'd guess that updated phone software would fix the problem, but since the SLVR L7 isn't being sold by Motorola anymore I would be surprised if they released any software updates for it beyond what is currently out. The frustrating part is that the BMW website specifies a much older version of the software for the phone to be compatible.
BTW, in case anyone doesn't know it yet, the new company / website that is handling cell phone compatibility for BW (
www.wireless4bmw.com) is nothing short of worthless. The reps have little knowledge of just about anything relating to BMW, phones, bluetooth, etc. It really is a shame that BMW has dropped the ball on this one (at least in my opinion).