- Designed to increase horsepower and acceleration
- Designed for racing and track applications, not for street use
- Washable and reusable lifetime air filter
- Low restriction
The K&N BM-1010R Air Filter fits some BMW HP4, BMW HP4 Competition, BMW S1000R, BMW S1000RR, and BMW S1000XR models. See vehicle applications link for details.
This K&N racing air filter has just two layers of cotton to provide even lower air restriction than our replacement air filter for street vehicles. Unlike K&N replacement air filters, fuel management modifications will be necessary with this racing filter. K&N racing air filters are washable and reusable and come with a one year limited warranty. This product is for closed course competition use only.