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

Brey Krause R-9229 — Passenger anti-sub belt mount for BMW E46/Z4 with R-922x adapters. Slider-tracking design.

The R-9229 is a passenger-side anti-sub strap mount engineered to attach directly to Brey Krause R-922x Side Mount Adapters on BMW E46 3-Series and Z4 models. The stainless steel bar properly locates the anti-submarine belt and moves together with the seat slider to maintain consistent belt length and positioning throughout the full range of seat travel.

WHAT'S IN THE KIT

• Stainless steel anti-sub strap mount
• Direct attachment to R-922x adapters
• Slider-tracking design
• Maintains belt positioning through seat travel

SPECS
Fitment: BMW E46 3-Series (including M3) and Z4 (E85/E86) with R-922x Side Mount Adapters. Passenger side only. Material: Stainless steel. Attaches to factory OEM slider hardware.

FAQ

Do I need the R-922x adapters to use this?
Yes — the R-9229 mounts directly to the R-922x adapter system.

Can I use this on the driver side?
No — this is passenger-side only. The driver-side version has a different design integrated with the belt mount.