Originally Posted by gr8000
Well there is an option in iDrive to enable audible confirmation (in addition to the turn indicator flashes) when the car is locked and the imobiliser is engaged . Secondly, when the imobiliser is engaged, there is a small red light flashing (hanging below the central mirror) so people know something is there! So even without an alarm, the engagement of the immobiliser sounds and flshes as if the car is alarmed.
Therefore I don't see why you need an alarm for the M3 and why my conclusions are wrong...
This is great----main reason for me to get the alarm was for above listed feastures but if I-Drive has this feature, think I will forgoe the alarm....