Ummm... I managed to delete the magnetic ride (EDC) on an Audi S3 on the past. Your mechanic just doesnt have the "know-how"?
Check this out:
http://forums.bimmerforums.com/forum....php?t=1398618
Edit: ALOT of people are trying to retrofit the EDC on their bimmer's (really hard and alot of them fail), and you wanna take it off? Think about it twice.