The facts.
| Brand | BMC |
|---|---|
| Part Number | FM01064 |
| Filter Type | Drop-in replacement air filter |
| Filter Medium | Four-layer oil-impregnated cotton gauze |
| Frame Material | Rubber |
| Mesh | Aluminium (petrol vapour and oxidation protection) |
| Reusable | Yes — washable and re-oilable |
| Testing | Verified against international testing procedures |
| Fitment | BMW M1000RR K66, 2021-2026 |
DescriptionThe whole story▼
The BMC replacement air filter FM01064 is engineered specifically for the BMW M1000RR K66 (2021-2026) and validated against international testing standards — giving you the confidence that every component protecting your engine meets the highest quality benchmarks. Where a standard paper filter compromises between filtration and flow, BMC's four-layer cotton gauze construction does neither, delivering measurably higher airflow with superior particle capture to keep the M1000RR's inline-four performing as BMW intended and beyond.
Key Features
- Tested and verified against international testing procedures, ensuring consistent quality and reliable engine protection across every unit produced.
- Four-layer cotton gauze, oil-impregnated with a low-tack oil, maximises air permeability while maintaining optimal filtration efficiency over the full service life of the filter.
- Aluminium mesh backing protects the cotton media against petrol vapour and oxidation, preserving filter integrity even under the demanding thermal cycling of a superbike engine.
- Rubber frame construction prevents cracking and sealing failures, so the filter sits flush in the airbox without bypass leakage.
- Washable and fully reusable — clean, re-oil and refit rather than replace, reducing long-term running costs considerably.
- Higher airflow than the OEM paper element translates directly to reduced pressure drop and improved engine response throughout the rev range.
Construction & Performance
BMC builds the FM01064 around a multi-layer cotton gauze medium that has become the benchmark for performance filtration. Each layer is carefully oiled at low tack to hold fine dirt particles within the matrix while allowing air to move through freely. The result is a filter that simultaneously outflows and out-filters the paper OEM unit — a combination that matters when the M1000RR's engine management is calibrated to exploit every cubic centimetre of available charge air.
The aluminium mesh that backs the cotton layers is not merely structural. It acts as a barrier against petrol fumes that can degrade unprotected synthetic and paper media, and it resists the oxidation that shortens filter life in high-temperature airbox environments. Combined with the rubber frame that forms a positive seal against the airbox housing, the FM01064 eliminates the unfiltered air bypass that worn or ill-fitting OEM filters can allow.
Long-Term Value & Maintenance
Unlike disposable paper elements, the FM01064 can be removed, washed with a dedicated BMC cleaning kit, re-oiled and reinstalled. For track-focused M1000RR owners who service their machines frequently, this translates into a single purchase replacing multiple OEM filter intervals. The robust construction means the filter retains its shape and seal quality through repeated wash cycles without distortion or media breakdown.
Fitment & Compatibility
The FM01064 is a direct OEM replacement fitment designed exclusively for the following model:
- BMW M1000RR — chassis code K66 — model years 2021, 2022, 2023, 2024, 2025, 2026
No modification to the airbox, air intake ducting or fuel injection mapping is required for fitment. The filter slots in as a like-for-like replacement using the original mounting points and sealing surfaces.
Specifications
- Brand: BMC
- Part number: FM01064
- Filter type: Drop-in replacement air filter
- Filter medium: Four-layer oil-impregnated cotton gauze
- Frame material: Rubber
- Mesh: Aluminium (petrol vapour and oxidation protection)
- Reusable: Yes — washable and re-oilable
- Testing: Verified against international testing procedures
- Fitment: BMW M1000RR K66, 2021-2026
FitmentWhich bikes this fits▼
- BMW M1000RR K66 (2021–2026)
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