On 3 Aug 2018 18:31:19 GMT, Clare Snyder wrote:

> The "fob" is nopt programmed. It is added to the programming of the
> BCM of the car. You "train" the BCM - you don't "program" the fob.
>
> With some Imobilizer keys you DO need to program the chip on the key.
> On others you can train the ECM to accept the code in the key.
>
> In MANY cases "programming" the key is actually "cloning" the key -
> and if you have a car that has "memory seats" the cloned key will
> always set the seat to the same position as the original, while a key
> "trained" i to the ECM will have it's own settings.

Yup. My bimmer has that per-key "seat memory" too.