This is a diy video on how to program/reprogram a bmw key that has lost its memory and will no longer unlock/lock your car. This will work on any bmw with a diamond shaped key and newer. This can be done to program a new key that has already been cut to your cars key lock pattern or an existing one that no longer works try this to repair it before replacing the battery.

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Check how to extend your BMW KEY RANGE:    • HOW TO EXTEND BMW REMOTE KEY RANGE  

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