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BMC Air Filter BMW 1 Series / 3 Series / X 1

No more paper filter to replace every 15,000 km: the BMC part no. 630/20 in oiled cotton gauze washes and reuses indefinitely. Higher airflow than the original filter, fitted in minutes without modification. Fits: BMW 1, BMW ALPINA B3.
Brand BMC Filter
Reference 630/20
Rating:
(0)
€88.56 (VAT incl.)
€98.40 -10%
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Available from the manufacturer 2 in stock at factory
  1. Order today
  2. Preparation at the manufacturer
  3. 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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Get free STANDARD shipping on small items or on orders of €250.00 or more!*
With this product: €88.56 Free delivery from €250.00

BMC Air Filter, Part No. 630/20

The original paper filter is convenient as factory fitment, but once you've tried a washable cotton filter, it's hard to go back. The BMC part no. 630/20, made of multi-layer oiled cotton gauze, lets through more air than paper while trapping particles effectively. The result: better 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 needed, 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 part number: 630/20

Vehicle compatibility

ModelEngine / Power / Years
BMW
1 (E81,E82,E87,E88)135i (306 hp, Year 10 to 13), engine code: N55B30A
135i (326 hp, Year 10 to 13), engine code: N55B30A
3 (E90,E91,E92,E93)335i (306 hp, Year 10 to 12), engine code: N55B30A
X 1 (E84)35iX (306 hp, Year 11 to 15), engine code: N55B30A
BMW ALPINA
B3 (E90/E91/E92/E93)3 (400 hp, Year 10 to 13), engine code: N55B30A
Materials Oiled Cotton
Product family Engine
Engine Air Filters

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