BMW 330 D M Conv

[physiomike]

Alarm keeps going off for no reason, I can stop it by slamming doors,boot and bonnet and double clicking close button. Then it's fine until I drive it again, get out lock it and any time up to an hour later it'll go off again?? Any ideas......

[paprika]

bonnet sensor.

unplug it and leave it , see if the alarm goes off.