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The immobiliser is controlled by the
.When you put the key in the ignition there is a ring around the barrel (the aerial) that picks up a signal from the chip in the key.As long as this signal is correct,the
allows the engine to start.
The one thing that is strange about this is that it has only started since the car was serviced.I'm trying to think of something that might have been disturbed or altered to give you this problem now......so far I'm out of ideas.
Most decent autolok specialists can provide new keys with chips in them programmed to your car,and they may be able to test chips and aerials for proper function,so it might be worth contacting a local,mobile one and seeing what they say.If you've only got one key for the car you'll ideally need a spare,so even if you have a spare one made and it makes no difference to the problem,you've not lost anything.It would also suggest that the aerial is at fault and not the key if this happens.....
I'd rather push my Alfa than drive a BMW....
Currently in Lagdti's garage:
2004 Saab 9-5 HOT Aero and a 2001 Audi A3 1.8 Turbo
Last edited by Lagdti; 19th August 2008 at 09:17 PM.