Brey Krause R-1204 Harness Bar - BMW E90 SedanThe Brey Krause R 1204 Harness Bar fits all E90 BMW Sedans, including M3 models, and properly locates and supports racing shoulder harnesses relative to the driver. The easy to install bar does not require modification to the car, and attaches to existing seat belt mounts and seat track hardware. The harness guides also prevent excessive shifting and fatigue of the driver during the high G loads of cornering and braking. Fabricated from Type 304,