Brey Krause R-9241 Passenger Seat Side Mount Adapter - BMW E36, Large WidthThe Brey Krause R 9241 Seat Mount is a unique direct to floor mount that fits the driver side of BMW E36 3 Series Sedans and Coupes (including the M3). The R 9241 works with wider width side mounting seats with a measurement at the side mounting point of 440 427mm. The lightweight bracket is designed to bolt directly to the floor of the car using the factory BMW seat mounting hardware, eliminating the heavy sliding mechanism, and providing the lowest