K&N Drop-In Replacement Air Filter for BMW M1000RR K66 (2021-2026) – BM-1019

The K&N BM-1019 replacement air filter is engineered specifically for the BMW M1000RR K66, delivering a measurable increase in airflow to one of the most highly strung production superbikes ever built. It slots directly into the factory airbox with zero modifications required — no remapping, no carburettor adjustment, no fuss — making it the most straightforward performance upgrade available for the M1000RR.

Key Features

• Optimised airflow path increases horsepower and acceleration over the standard paper element without compromising engine protection.
• Direct OEM replacement: fits the factory airbox of the BMW M1000RR K66 (2021–2026) with no system modifications or fuel injection remapping required.
• Washable and reusable design eliminates the need for repeated filter purchases across the life of the engine.
• Service interval of 80,000 km under normal road use — dramatically longer than a conventional paper filter.
• Fully compatible with the M1000RR's standard vehicle electronics; no additional tuning or adaptation needed.
• Meets all applicable noise and emissions regulations, making it equally suited to road and track day use.
• Reduced environmental impact through reusability, cutting ongoing filter waste compared to disposable paper elements.

Engineering and Design Heritage

K&N has spent decades refining its signature oiled cotton gauze filtration medium, and the BM-1019 is a direct product of that heritage. The layered cotton gauze construction is held between two precision-formed wire mesh frames, creating a filter that flows substantially more air than a paper element while still capturing fine particulates such as dust, sand and road debris before they can reach the engine. The oiled fibres trap contaminants mechanically rather than relying on density alone, which is why airflow and filtration efficiency can both be improved simultaneously.

For the BMW M1000RR — a machine conceived on the WorldSBK circuit and transferred almost unchanged to the road — the quality of every intake component matters. The BM-1019 respects that philosophy: it is built to factory fitment tolerances, seals correctly against the airbox housing, and introduces no variables into the fuelling or sensor readings that the M1000RR's sophisticated electronics package monitors.

Long-Term Value

A single K&N filter is designed to outlast the engine it serves. When servicing is due — typically around every 80,000 km under road conditions — the filter is removed, cleaned with K&N's own cleaner and re-oiled, then refitted. The cost over a typical ownership period is therefore a fraction of replacing disposable paper filters at every service interval, and the filter never degrades in the way a paper element does once it becomes laden with dirt.

Fitment and Compatibility

• BMW M1000RR (K66) — model years 2021, 2022, 2023, 2024, 2025, 2026

Specifications