Question about 1987 BMW 7 Series
Well it can be numerious reasons ,, If the rest of the system is working like alarm ,, and immobilizer etc,, chances are its the regulator / regulator relay..
you need to remove the upholestry on the driver side door. there is a regulator that connects to the lock rods,, check to see if its getting power,, you do this by connecting a multimeter on the wires ane pressing the unlock button on the remote,, it should spike to 12 volts and then drop back,, if your getting power,, change the regulator,, if not trace the wires to the relay and check for power on the relay in the came manner ,, if your getting power to the relay then change the relay if its int then look for the acc fuse in the fuse panel under the hood,, change that fuse..
Posted on Apr 24, 2010
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Posted on Jan 02, 2017
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