I did take it up with two different service managers and the only "tunes" they sing are "not a known problem on the E70", "you must've loaded an incompatible disc into the shuttle", "we've checked the shuttle, there's nothing wrong with it", strange since I didn't shove a CD anywhere, imagine the "tunes" they'd sing if I had.........
Quite frankly, I don't think they know what the problem is and are trying to weasel their way out of a replacement unit.
I guess I should've mentioned this, I have, since, taken it up with BMW SA and I'm currently awaiting a response.