When I was at the F&I desk, I kept rejecting ALL extras. As I knew I'd want to replace the optional 19s and RFTs. But he offered me 1495 then 999.99 for 3 years. I of course did not take it, but something to give you an idea.
2015 BMW 650i Coupe Space Grey Vermillion Red Nappa Cold Weather - Driver Assistance Plus - Executive - Lighting - Adaptive Drive w/ARS - Active Front Seats - Parking Assistant - Bang & Olufsen - Enhanced BT - Digital Display Cluster