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Remote Control Transmitter programming procedure for BMW "Rubber" Key.
These instruction are suitable for BMW E46, E38, E39, X3, X5 and other models produced to about 1999.
No tools required.

After renewing the transmitter battery, the infrared transmitter must be initialised (unless renewing takes less than one minute and none of the buttons is presed). The same applies if a new transmitter has ben obtained e.g. to replace a faulty one.

This procedure is for the remote keyless entry only and has nothing to do with the ability to start the engine.

Step-by-Step procedure

1. Enter the vehicle, close all doors and insert the key into the ignition switch.

2. Switch the ignition lock briefly to ignition lock position 1 and switch OFF again. The switching time must remain under 5 seconds.

3. Remove the key from ignition switch.

4. Press button #1 and hold in. Still pressing button #1 - press button #2 three times.

5. Relase button #1.

LED 3 will flash slowly for a maximum of 10 seconds.

The central locking system activates and relases all lock mechanisms in rapid succession to indicate that initialization procedure has been successfully completed.

 If the LED does not flash or the central locking system fails to respond, you must repeat the initialization procedure. If you possess additional transmitters for you vehicle (up to a maximum of 4 units) you must now initialize these as well. Be sure that no more than 30 seconds is allowed to elapse between the individual initialization procedures. Do not actuate the steering lock during this time.

BMW Rubber Key
BMW Rubber Key - remote transmitter programming instruction
Additional notes
PN of remote control transmitters: 51218372844, 51218363432, 51218362276 (and similar)