Brey Krause R-9229 Passenger Sub Belt Mount - R-922x Seat Mount

The Brey Krause Model R-9229 Passenger-Side Anti-Sub Strap Mount is designed to mount directly to Brey Krause's line of R-922x Side Mount Adapters that fit any BMW E46 3-Series model (including the M3) or BMW Z4 (E85/E86). The stainless steel bar attaches directly to the factory/OE slider and helps properly locate the Anti-Sub belt for optimal safety. Moves together with the slider to keep the belt properly located and at the same length, regardless of seat position.