z3 ews central locking key

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    Help upgrading central locking?

    Hi, I've had my 1997 Z3 for about 10 years and back when I bought it the central locking didn't work. I used the forums to swap out the 3G Gemel system it came with for an after market key and central locking unit which combined the remote function of the 'brick' into the key itself, and looked...