Introduzione
Inside this key model, there is a battery that charges inductively through the steering wheel while driving. After a few years, the battery weakens and the remote control won’t function anymore. It takes some work, but the battery can be changed. To do this, the key must be cut open and the old battery de-soldered. After the new battery is soldered in, the key must be reprogrammed. If the key is very worn, this is a good time to install a new housing.
Cosa ti serve
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Try and see first if the key was simply "forgotten" by the car by reprogramming it:
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Open the car with the second key, get in and close the door, but don't shut it all the way.
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Put the key that needs to be reprogrammed into the starter and turn it to the "Radio" position. Leave it in this position for a few seconds and then pull it back out. The system is now ready for reprograming.
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Press and hold-down the "open" button and then press the "close" button three times. Now, let go of the "open" button. The locking system should respond by locking and unlocking all doors, with a "click-clack"
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Important: The second key must be reprogrammed within 10 seconds, otherwise it will no longer work. For this it must not be put back into the starter.
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If this worked, you can stop - otherwise, follow the next steps.
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Put everything back together. Do not glue the casings yet. Instead, hold them together with a rubber band.
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Check whether the micro switches are clicking. If not, move the circuit board back into the right position again.
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Normally, the key - as mentioned in step 1 - will have to be reprogrammed. And don’t forget about the second key.
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When everything is working, you can glue the two halves back together with the appropriate glue – for instance Super Glue – and carefully sand off any excess glue.
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Complete the steps in reverse order to reassemble your device.
Complete the steps in reverse order to reassemble your device.
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How much BMW X3 2008 model fuel pump??
I need help I have a 2004 BMW X3 I was idling in the driveway and it just died like it ran out of gas well I checked the fuel pump and I wasn't getting any power back to the fuel pump so I jumped the relay now I'm getting power back to the fuel pump but the car still doesn't start I've checked all the fuses replace the relays I'm wondering if it's my key not synced up with a car somehow or if something else is wrong if anybody knows please help me
