3 Buttons Remote Key Board 433MHZ for BMW

3 Buttons Remote Key Board 433MHZ for BMW
Frequency: 315MHz or 433MHz
Default Frequency is 315MHz.
 
How to set to 433MHz:
1. Hold on EWS1 Button, and then hold on EWS3 button with the other hand.
2. During you hold on EWS1, press EWS3 button 5 times in 5 seconds.
3. Frequency is 433MHz now, test frequency with programmer.
4. Start to program on car for working.

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