Talked to two sources over the last couple days, ECS tuning and my local dealer who both confirmed that on my vehicle which includes the sport seats that you cannot purchase the seat occupancy sensor mat only and that you must purchase the bottom seat cushion and sensor mat together. Cheapest I found was roughly $650 for the set with the dealer wanting over 8 bills.

The part number from the old sensor mat no longer shows up in the BMW catalog as available.

I believe that if you do not have the sport seats you could purchase the sensor mat as a standalone part for about $120 to $150. Lucky me and others that have the sport seat option. This is likely why we see posts with pretty wide ranging estimates for repair. I have seen several posts with estimates over $1500 and others less than $1000 which likely reflects the difference in being able to procure the mat on its own and the labor quoted at roughly 6 hours (didn't take me that long but that seems to be the hours quoted).

Anyway I will bite the bullet and purchase the sensor and bottom seat cushion and follow up here.

In response to the previous post the sensor on my seat includes the black felt as shown. The seat heating pad is actually attached to the underside of the leather seat cover and is clearly different from the occupancy sensor mat as shown.

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