BMC Air Filter FB421/01 for BMW E60/E61 5 Series and E63/E64 6 Series
Genuine BMC Replacement Filter

BMC Air Filter FB421/01 - BMW E60/E61 5 Series & E63/E64 6 Series

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Part No.FB421/01
ApplicationBMW E60/E61 5 Series and E63/E64 6 Series applications
ServiceWashable / Reusable
Only 3 units left
Need fitment help? Not sure this is the correct BMC filter? Contact EPF before ordering.
Genuine BMC washable replacement panel air filter

BMC Air Filter FB421/01

The BMC FB421/01 is a washable, reusable replacement panel air filter designed for select BMW E60/E61 5 Series and E63/E64 6 Series applications.

OEM-Style Fitment

Designed to replace the factory air filter on compatible applications where BMC FB421/01 is specified.

Washable & Reusable

This BMC filter can be cleaned and re-oiled with the proper BMC cleaning kit instead of being discarded like a standard paper filter.

Performance Filtration

BMC’s oiled cotton gauze design supports improved airflow while maintaining filtration for performance-focused applications.

Vehicle Fitment

Application Guide for BMC FB421/01

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
2007-2010 BMW 5 Series E60/E61 520i gasoline 170 hp; confirm OEM cross reference before ordering FB421/01 13717521023, 1371752103701, 13717521037
2005-2010 BMW 5 Series E60/E61 540i gasoline 306 hp; confirm body style and OEM cross reference before ordering FB421/01 13717521023, 1371752103701, 13717521037
2003-2005 BMW 5 Series E60/E61 545i gasoline 333 hp; confirm body style and OEM cross reference before ordering FB421/01 13717521023, 1371752103701, 13717521037
2005-2010 BMW 5 Series E60/E61 550i gasoline 367 hp; confirm body style and OEM cross reference before ordering FB421/01 13717521023, 1371752103701, 13717521037
2003-2005 BMW 6 Series E63/E64 645Ci gasoline 333 hp; confirm OEM cross reference before ordering FB421/01 13717521023, 1371752103701, 13717521037
2005-2011 BMW 6 Series E63/E64 650Ci gasoline 367 hp; confirm OEM cross reference before ordering FB421/01 13717521023, 1371752103701, 13717521037
Fitment note: Fitment can vary by market, model year, engine, production split, body style, and airbox configuration. Use this table as a guide and contact European Performance Filters before ordering if you are unsure.

Part Number & Cross References

Platform BMW E60/E61 5 Series and E63/E64 6 Series applications
Engine Notes Compatible applications include select BMW gasoline models including 520i, 540i, 545i, 550i, 645Ci, and 650Ci applications where BMC FB421/01 is specified.
BMC Part Number FB421/01
OEM Cross References 13717521023, 1371752103701, 13717521037

Why Choose BMC?

BMC replacement filters are built for drivers and riders who want reusable performance filtration while keeping an OEM-style airbox fitment.

The FB421/01 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.

Cleaning & Maintenance

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.

Shop BMC Cleaning Kit Read Cleaning Guide Installation Guide
Fitment Support

Not Sure This Is the Correct BMC Filter?

Contact European Performance Filters before ordering. We can help verify the correct BMC part number using your vehicle details, model, engine, and production information.

Contact EPF for Fitment Help Shop BMW BMC Filters
Product FAQ

BMC FB421/01 FAQ

Is BMC FB421/01 a direct replacement filter?

Yes. BMC FB421/01 is designed as an OEM-style replacement filter for compatible applications where this BMC part number is specified.

Does this BMC filter require tuning?

No ECU tuning is required. FB421/01 is designed as a direct replacement panel filter for compatible applications.

Can this BMC filter be cleaned and reused?

Yes. BMC FB421/01 is washable and reusable when cleaned, dried, and re-oiled correctly with the proper BMC cleaning kit.

How do I confirm this filter fits my vehicle?

FB421/01 is designed for select BMW E60/E61 5 Series and E63/E64 6 Series applications where this BMC part number is specified. Always confirm your vehicle details and airbox configuration before ordering.