X351 2007 seat control

Location of drivers memory ECU. If possible Jag part No.

Not knowing where you are located and the exact model you have. I suggest that you drill down through the Jaguar Classic Parts website for the Part you require as it will be location/model/VIN & year dependent:

https://www.jaguarclassicparts.com

This doesn’t cover X351 parts yet.

Sorry, should read X350 at both points.