This product is out of stock at our supplier. Estimated delivery on 07/12/2026
This lead time is an estimate and may change due to circumstances beyond our control
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The BMC 421/01 filter is a high-performance sport air filter, designed to improve engine performance by increasing the intake airflow. Washable and reusable, it offers a much longer lifespan than original disposable filters.
Product Reference
BMC Reference: 421/01
Technical Specifications
Shape: Flat
Width / Inner Diameter of Base: 184/273 mm
Length / Outer Diameter of Base: 312 mm
Weight: 0.7 kg
Material: Oiled Cotton Gauze
Washable: Yes
Warranty: 2-Year Warranty
Compatible Vehicles (6 (Applications)
Make
Model
Engine
Power / Year
Engine Code
BMW
5 (E60, E61)
520i
170 hp, Year 07 - 10
All engines
BMW
5 (E60, E61)
540i
306 hp, Year 05 - 10
All engines
BMW
5 (E60, E61) 545i 333 hp, Years 03-05 All engines BMW 5 (E60, E61) 550i 367 hp, Years 05-10 All engines BMW 6 (E63, E64) 645Ci 333 hp, Years 03-05 All engines BMW 6 (E63, E64) 650Ci 367 HP, Year 05 - 11 All engines Equivalent original part numbers 13717521023 13717521037 1371752103701
Warning: Always present your air filters in your original air box without removing it from its bag. To ensure its proper conservation, it will not be taken back if unpacked.