Brey Krause R-9246 Driver Seat Bottom Mount Adapter - BMW E46/E85/E86 Manufacturer_Brey Krause and an adjustable wrist closure

and an adjustable wrist closure

because these cars lack the rear-seat belt mounting points

Designed for recreational karting and leisure use

The Brey-Krause adjustable seat brace is designed to fit all styles of roll bar/cage tubing when used in conjunction with the Brey Krause back brace mounts (sold separately)

The Brey Krause Model R-9016 Camera Mount fits the Brey Krause R-1025 (Porsche 911 1974-98) and R-1045 (Porsche Cayman) Harness Truss

Brey Krause R-9246 Driver Seat Bottom Mount Adapter - BMW E46/E85/E86 Manufacturer_Brey Krause and an adjustable wrist closureThe Brey Krause R 9246 Seat Mount is an innovative solution that attaches bottom mounting Sparco, Cobra or Recaro seats to the OE factory, power slider mechanisms on BMW E46 (including M Series), and E85 E86 (Z4 Roadster Coupe) cars. The mount maintains the factory power adjustment for both the seat height and front back settings (requires BMW E30 window switches not included, but easily sourced).