Description
Compatibility
Designed for BMW R850, R1100, and R1150 models (all years) with a round dual-density air filter. Replaces the OEM filter cartridge.
Specifications
- Filtration: 30–40 microns, dual-media, wire-reinforced mesh
- Maintenance: Reusable, clean with compressed air and mild soap
- Media Type: Dry mesh (no solvents or oils needed, but optional oil treatment recommended)
Installation Instructions
- Remove the OEM filter and ensure the airbox rim is clean.
- Lightly apply a bead of heavy grease along the airbox rim.
- Insert the Ultra 4 Rally Raid filter, verifying a proper seal.
- For off-road or dusty riding, lightly oil the top side of the filter to capture ultra-fine dust.
Key Features
- Ultra Protective
- Filters down to 30 microns, meeting or exceeding OEM specs and extending engine life.
- High Performance
- Improved airflow delivers better throttle response and a smoother ride.
- Cost-Effective & Eco-Friendly
- Washable and reusable; no more buying disposable filters or using harsh solvents.
- Robust Construction
- Wire-reinforced for durability, maintaining its shape and filtration efficiency even after multiple cleanings.
Additional Information
- Rock Factory Eco Foam Air Filter Treatment is recommended for enhanced dust capture.
- A thin layer of grease or filter oil on the rim improves the seal and prevents dust ingress.
- List your bike’s make, model, and year in the order notes for a precise fit.
This Ultra 4 Rally Raid air filter offers a long-lasting solution that saves money, boosts performance, and delivers exceptional protection for your BMW’s engine.
