Hi, I was told it depends on what your car has programmed in. I got a replacement J revision from a breakers and my central locking button on the inside of the door wouldn't work, the boot would open either. The stealers said I needed a revision J. In the end I bought a generic one from ebay and works fine.
The dealers said this "
Good afternoon,
Thank you for your email
3D2 837 016 had now changed to 3D2 837 016 J £193.24inc vat"