Brey Krause R-9253 Passenger Seat Side Mount Adapter - BMW E46, Medium Width Color_Orange A mount really can't be

A mount really can't be relied on unless it has been tested to support the loads required by the National Highway Traffic Safety Administration

By increasing headroom by 1-3/8"

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Brey Krause R-9253 Passenger Seat Side Mount Adapter - BMW E46, Medium Width Color_Orange A mount really can't beThe Brey Krause R 9253 Seat Mount is a unique direct to floor mount that fits the passenger side of BMW E46 3 Series Sedans and Coupes (including the M3). The R 9253 works with medium width side mounting seats with a measurement at the side mounting point of 410 426mm. 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