yeah, just got a 2nd quote for essentially the same - outrageous need to replace whole tail light assembly for broken piece of plasticWent through this tail light nightmare also. Ended up paying $2300 at dealership to replace. Explored eBay and other options to no avail. Sorry.
Reread post 4 and 6. Did you swap the BLIS sensor?So now no cross-traffic / blind spot usage - simple fix?