

The BMC FB121/01 is a washable, reusable panel air filter designed for select BMW E36 3 Series, E36 Compact, and Z3 1.8/1.9 applications where FB121/01 is specified.
Designed to replace the factory air filter on compatible applications where BMC FB121/01 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 |
|---|---|---|---|---|---|---|
| 1993–1999 | BMW | 316i (E36) | 1.6L Inline-4 | Confirm application before ordering | FB121/01 | 13711247405, 13721247404, 13721247405, 13721247637 |
| 1990–1999 | BMW | 318i (E36) | 1.8L Inline-4 | Select 113 hp and 115 hp applications; confirm before ordering | FB121/01 | 13711247405, 13721247404, 13721247405, 13721247637 |
| 1992–1999 | BMW | 318is (E36) | 1.8L / 1.9L Inline-4 | Coupe and sedan applications; confirm before ordering | FB121/01 | 13711247405, 13721247404, 13721247405, 13721247637 |
| 1994–2000 | BMW | 316i Compact (E36) | 1.6L Inline-4 | Select 102 hp and 105 hp applications; confirm before ordering | FB121/01 | 13711247405, 13721247404, 13721247405, 13721247637 |
| 1994–2000 | BMW | 318ti Compact (E36) | 1.8L / 1.9L Inline-4 | Confirm application before ordering | FB121/01 | 13711247405, 13721247404, 13721247405, 13721247637 |
| 1996–2003 | BMW | Z3 1.8 | 1.8L Inline-4 | Select 116 hp and 118 hp applications; confirm before ordering | FB121/01 | 13711247405, 13721247404, 13721247405, 13721247637 |
| 1996–2003 | BMW | Z3 1.9 | 1.9L Inline-4 | Select 116 hp, 118 hp, and 140 hp applications; confirm before ordering | FB121/01 | 13711247405, 13721247404, 13721247405, 13721247637 |
| Platform | BMW E36 3 Series, E36 Compact, and Z3 four-cylinder applications |
|---|---|
| Engine Notes | Compatible with select BMW 1.6L, 1.8L, and 1.9L four-cylinder applications where BMC FB121/01 is specified. Always confirm fitment by model year, engine, and airbox configuration before ordering. |
| BMC Part Number | FB121/01 |
| OEM Cross References | 13711247405, 13721247404, 13721247405, 13721247637 |
BMC replacement filters are built for drivers and riders who want reusable performance filtration while keeping an OEM-style airbox fitment.
The FB121/01 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 FB121/01 is designed as an OEM-style replacement filter for compatible applications where this BMC part number is specified.
No ECU tuning is required. FB121/01 is designed as a direct replacement panel filter for compatible BMW applications.
Yes. BMC FB121/01 is washable and reusable when cleaned, dried, and re-oiled correctly with the proper BMC cleaning kit.
FB121/01 is designed for select BMW E36 316i, 318i, 318is, Compact, and Z3 1.8/1.9 applications where this BMC part number is specified. Always confirm your vehicle details and airbox configuration before ordering.