Brey Krause R-9250 Driver Seat Side Mount Adapter - BMW E46, Large Width Vehicle_Mazda while the 4-mounting points provide

while the 4-mounting points provide a wide range of fitment options

Tarpaulin panels provide waterproof protection from the elements on the bottom and sides

they will fit many other vehicles

Bell's Hans Pro V

Brey Krause R-9250 Driver Seat Side Mount Adapter - BMW E46, Large Width Vehicle_Mazda while the 4-mounting points provideThe Brey Krause R 9250 Seat Mount is a unique direct to floor mount that fits the driver side of BMW E46 3 Series Sedans and Coupes (including the M3). The R 9250 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