i just did this on a 2001 325 xi, worked the first time:
1. Working from within the vehicle and with the doors shut
2. Turn ignition to position 1 and back to off within 5 seconds.
3. Remove the key from ignition and press and hold the unlock button for 15 seconds during this time press the key lock button 3 times within 5 seconds.
4. Release both buttons.
5. Doors will lock and unlock to show correct programming has occurred.
Take it to the dealer
I have bmw z3 1997 4 cylinderI put new enginine starter alternator but I don't have power in the starter and alternator, mechanic says I need to program de car
Hope this may help u... http://www.bimmerfest.com/forums/archive/index.php/t-80489.html
To reset the key for a 2001 BMW E46, start by inserting the key into the ignition and turning it to the "On" position without starting the engine. Leave it in this position for about 10 seconds, then turn it back to the "Off" position and remove the key. Repeat this process three times to complete the reset. If the key still doesn't work, you may need to reprogram it using a specialized tool or consult a BMW dealership.
you will need to go to a main dealer to get it reprogram it
No
You normally do not have to reprogram the key when you replace the battery. If you do you will have to contact your VW dealer.
To reprogram a Honda ignition key you need to use a Honda-approved dealer. Only a dealer can reprogram or order a new ignition key for a Honda vehicle.
It is done at the dealership(BMW's) An auto locksmith can do it, it takes a special program to communicate with vehicle PATS system, search them on Craigs under services. that is much cheaper than a dealer.
what answer!
A new key for a BMW can be obtained by contacting your local BMW dealer. They will contact the factory in Germany that will make you a new key for your BMW.
To reprogram a BMW Z3 key switch after replacement, you will typically need to use a specialized diagnostic tool or follow the vehicle's manual if it provides specific instructions. Generally, the process involves turning the ignition on and off in a specific sequence while pressing the key fob buttons to sync it with the car's electronic system. If you are unsure or the procedure is not straightforward, consulting a professional locksmith or a BMW dealer is recommended for assistance.