K&N High-Flow Original Lifetime Engine Air Filter – BMW R1150R (BM-0400)

Performance Upgrade for BMW Touring & Adventure Motorcycles

Designed for riders who demand peak performance and long-lasting durability, the K&N BM-0400 High-Flow Air Filter delivers increased horsepower and torque while offering superior engine protection. Tailored specifically for BMW R-series motorcycles, this washable and reusable air filter is your go-to upgrade for both street and adventure riding.

Enhanced Engine Performance

• Boosted Power Output – Engineered to increase horsepower and acceleration.

• Optimized Airflow – High-flow pleated media provides a larger filtration area for improved airflow.

• Excellent Filtration – Multi-layered woven cotton gauze traps harmful particles without restricting air.

Built to Last

• Lifetime Use – Washable and reusable with a no-hassle limited lifetime warranty.

• Custom Fit – Application-specific base seal ensures a precise, secure fit.

• Proven Quality – Made in the USA and trusted for over 40 years.

Product Specifications

• Air Filter Material: Cotton Gauze

• Shape: Round

• Height: 3.375 in (86 mm)

• Inner Diameter: 3 in (76 mm)

• Outer Diameter: 4.375 in (111 mm)

• Top Style: Open

• Top Material: None

• Washable: Yes

• Filter Re-Oiling Amount: 0.52 oz (15 ml)

• Weight: 0.6 lb (0.3 kg)

• Warranty: No-Hassle Lifetime Limited

• Product Box Dimensions: 4.25″ x 4.63″ x 4.63″

Compatible BMW Models (Selected)

• BMW R1150R / Rockster / GS / RS / RT (1994–2006)

• BMW R1100R / GS / RT / RS / RSL / S (1993–2001)

• BMW R850R (1995–2006)

For the full list of over 50 supported models, visit the product compatibility tab.

Cross References

• BMC: FM24406

• OEM: BMW 13711341528

• FAQs

  Q1. Is this air filter compatible with all BMW R1150R models?
  Yes, the K&N BM-0400 is compatible with all BMW R1150R models from 2001 to 2006, including Rockster and Adventure variants.

  Q2. How often should I clean this filter?
  K&N recommends cleaning every 50,000 miles under normal road conditions. Off-road or dusty environments may require more frequent cleaning.

  Q3. Can I install this air filter myself?
  Absolutely. The filter is a direct drop-in replacement for your OEM filter and requires no modifications.

  Q4. Does this filter affect fuel economy?
  Yes, the increased airflow can improve throttle response and may positively impact fuel efficiency depending on riding style.

  Q5. Is the oiling kit included?
  The filter comes pre-oiled and ready to install. Re-oiling kits are sold separately for future maintenance.