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BMC Air Filter BMW 1 Series / 3 Series / 5 Series / Z 4
No more paper filter to replace every 15,000 km: the BMC ref. 494/20 oiled cotton gauze filter washes and reuses indefinitely. Higher airflow than the original filter, installed in minutes with no modification. Compatible: BMW 1, BMW ALPINA B3.
€79.92
(VAT incl.)
€88.80
-10%
?
Available from the manufacturer
3 in stock at factory
- Order today
- Preparation at the manufacturer
- Delivery Thu 15 Oct
Estimated delivery on 15/10/2026
This lead time is an estimate and may change due to circumstances beyond our control
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BMC Air Filter - Ref. 494/20
The original paper filter is fine for a stock setup, but once you've tried a washable cotton filter, it's hard to go back. The BMC ref. 494/20, made from multi-layer oiled cotton gauze, flows more air than paper while still trapping particles effectively. The result: a sharper throttle response, an engine that breathes better, and no more buying disposable filters.
Key Features
- Washable and reusable - unlimited service life with regular maintenance
- Higher airflow than the original paper filter
- Direct fit - no modification required, plug-and-play replacement
- Efficient filtration - multi-layer oiled cotton gauze
- Warranty: 2 years
Filter Maintenance
Cleaning recommended every 15,000 to 20,000 km with the BMC maintenance kit (cleaner + re-oiling oil, sold separately). After washing, let it air dry, then re-oil before reinstalling.
Technical Specifications
- BMC Ref.: 494/20
Vehicle Compatibility
| Model | Engine / Power / Years |
|---|---|
| BMW | |
| 1 (E81,E82,E87,E88) | 135i (326 hp, 07 - 10) - Engine code: N54 B30A |
| 135i (306 hp, 07 - 10) - Engine code: N54 B30A | |
| 1M Coupe (340 hp, 11 - 12) - Engine code: N54 B30A | |
| 3 (E90,E91,E92,E93) | 335i (306 hp, 06 - 10) - Engine code: N54 B30A |
| 335iS (326 hp, 10 - 13) - Engine code: N54 B30A | |
| 335Xi (326 hp, 06 - 13) - Engine code: N54 B30A | |
| 5 (E60,E61) | 535i (300 hp, 07 - 10) - Engine code: N54 B30A |
| Z 4 (E89) | 35i (306 hp, 09 - 16) - Engine code: N54B30A |
| 35iS (340 hp, 10 - 16) - Engine code: N54B30A | |
| BMW ALPINA | |
| B3 (E90/E91/E92/E93) | 3.0 BITurbo (360 hp, 08 - 09) - Engine code: N54 B30A |
| Materials | Oiled Cotton |
|---|---|
| Product family | Engine |
| Engine | Air Filters |
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