It requires a working ignition key and a quick 30 second process.
Bmw e46 key transponder programming.
For household cars with a vehicle identification number vin that starts with 1 or 4 you can reprogram the key by taking the key into your car and entering the program mode.
Programming your bmw key and remote door lock unlock function.
Push the unlock button on your e46 key and hold it down while pushing the lock button three times.
Insert the key into the ignition and turn it to position 1 and back rapidly 5 times.
This was done on a 2001 e46 coupe 330ci.
Exit your vehicle and test the key.
Catalogue of transponders and keys used for bmw vehicles.
Programming initializes your remote key and pairs it with your bmw letting you use it to lock and unlock your vehicle.
Steps to reprogram the car keys.
Finish programming your e46 key remote by turning your bmw on and off.
A brief how to on setting up a new bmw key.
1 insert new key.
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Programming your bmw key e38 e39 x5 e46 x3 z4 z8 replacement bmw key fobs must be programmed before use.
At this time your bmw s door locks will lock and unlock which signals that you ve successfully completed the programming process.
2 turn to the 1 position and back five times.
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Useful database to find correct chip for programming or duplicate transponder key.
Simply get in the car and close all doors.
The programming or reprogramming of a transponder key relies on the model of your vehicle.