


This BMC filter may be available by special order or fitment inquiry. Contact European Performance Filters to confirm fitment, availability, lead time, pricing, and ordering requirements before purchasing.
Request Special Order HelpSpecial-order items may require payment up front and are typically not cancelable or returnable once ordered from BMC. Lead times can vary by BMC availability, production status, and import timing. Contact EPF before ordering to confirm fitment, availability, lead time, pricing, and ordering requirements.
The BMC FM405/08 is a washable, reusable model-specific motorcycle air filter for KTM 400 Rxc-E, 620 Duke, 350 Egs, 350 EXC, 350 Rxc, 350 SX, 400 Duke, 400 Sxc, 400 Txc, 440 EXC, 440 Mxc, 440 SX, 540 Mxc, 540 Sxc, 125 Egs, 125 EXC, 125 MX, 125 Mxc, 125 SX, 125 Sxs, 400 Egs, 400 EXC, 400 Super Competition, 400 SX, 500 MX, 500 Mxc, 500 SX, 550 Dx/Dxc/Mxc, 600 EXC/Adventure, 620 Adventure, 620 Egs/EXC/Rxc-E, 620 Lse, 620 Super Competition/SX/Sxc/Txc, 640 Duke/Duke Ii, 660 Supermoto/Smc. It is available by special order; confirm the exact listed model year and factory airbox before ordering.
Designed to replace the factory air filter on compatible applications where BMC FM405/08 is specified.
This BMC filter can be cleaned and re-oiled with the proper BMC cleaning kit instead of being discarded like a standard paper filter.
BMC’s oiled cotton gauze design supports improved airflow while maintaining filtration for performance-focused applications.
Use the table below to help confirm whether this BMC air filter matches your vehicle, engine, and application.
| Year Range | Make | Model | Engine | Trim / Notes | BMC Part No. | OEM Cross Reference |
|---|---|---|---|---|---|---|
| 1994–1997 | KTM | 400 Rxc-E | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–2000 | KTM | 620 Duke | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1993–1995 | KTM | 350 Egs | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1993–1995 | KTM | 350 EXC | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1993–1995 | KTM | 350 Rxc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–1995 | KTM | 350 SX | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–1996 | KTM | 400 Duke | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1999–2000 | KTM | 400 Sxc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1998 | KTM | 400 Txc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–1996 | KTM | 440 EXC | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–1996 | KTM | 440 Mxc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994 | KTM | 440 SX | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–1996 | KTM | 540 Mxc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1998–1999 | KTM | 540 Sxc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1992–1997 | KTM | 125 Egs | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1992–1997 | KTM | 125 EXC | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1989 | KTM | 125 MX | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1992–1997 | KTM | 125 Mxc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1995–1997 | KTM | 125 SX | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1995–1997 | KTM | 125 Sxs | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1993–1998 | KTM | 400 Egs | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–1997 | KTM | 400 EXC | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–2000 | KTM | 400 Super Competition | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1998–1999 | KTM | 400 SX | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1985–1995 | KTM | 500 MX | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1985–1995 | KTM | 500 Mxc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1985–1995 | KTM | 500 SX | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–1996 | KTM | 550 Dx/Dxc/Mxc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1993 | KTM | 600 EXC/Adventure | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1997–1998 | KTM | 620 Adventure | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–2000 | KTM | 620 Egs/EXC/Rxc-E | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1997–1998 | KTM | 620 Lse | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1994–2000 | KTM | 620 Super Competition/SX/Sxc/Txc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 1999–2006 | KTM | 640 Duke/Duke Ii | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| 2003–2006 | KTM | 660 Supermoto/Smc | Model-specific motorcycle engine | Confirm exact model year, market, and factory airbox | FM405/08 | KTM 56506015100 |
| Platform | KTM motorcycle applications |
|---|---|
| Engine Notes | Fits the listed model-specific motorcycle applications where BMC FM405/08 or KTM 56506015100 is specified. Confirm the exact model, year, market, and factory airbox. |
| BMC Part Number | FM405/08 |
| Filter Type | Model-specific |
| Filter Dimensions | 100 × 150 × 85 mm |
| GTIN / EAN | 8032872867513 |
| Package Contents | 1 Air Filter |
| OEM Cross References | KTM 56506015100 |
BMC replacement filters are built for drivers and riders who want reusable performance filtration while keeping an OEM-style airbox fitment.
The FM405/08 is designed for compatible applications where this BMC part number is specified. It is a smart choice for enthusiasts, shops, and installers looking for a washable replacement filter without converting to a full intake system.
BMC filters are washable and reusable when serviced correctly. Use the proper BMC cleaning kit, allow the filter to dry fully, and avoid over-oiling before reinstalling it.
Contact European Performance Filters before ordering. We can help verify the correct BMC part number using your vehicle details, model, engine, and production information.
Yes. BMC FM405/08 is designed as an OEM-style replacement filter for compatible applications where this BMC part number is specified.
No tuning is typically required when BMC FM405/08 is installed as a direct replacement in the correct factory airbox. A motorcycle with additional intake, exhaust, fueling, or engine modifications should be evaluated as a complete setup.
BMC FM405/08 is washable and reusable. Service it with the proper BMC cleaning and re-oiling kit, allow it to dry fully before oiling, and avoid over-oiling before reinstallation.
BMC FM405/08 fits the applications listed in the fitment table. Match the exact model and year, then confirm the factory airbox and OEM reference KTM 56506015100.