5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
Hi i have got a 520 i se. g reg. come s with standard sigma alarm / immobiliser. Normally wen i get in car put ignition on so service light s come on then press key fob & led on dash flashes once & i can then go start car.
This didnt happen the other day... and i cant figure out why. i have changed batteries with no joy. when i got car there was a pin number written on back of sigma manual so i have tried putin that in the keypad. still no joy. can anyone help me or give me ADVICE to try troubleshot this problem. or is there any way i can deactivate the immobiliser so i can move the car as i am wanting to sell the car. HELP ME!!
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