Denso 454-4050 Cabin Air Filter

Denso Charcoal Cabin Air Filter for BMW

Denso 454-4050 is an OE recommended cabin air filter built with premium activated charcoal media. It captures pollen, dust, and other airborne allergens while also helping reduce odors entering the cabin.

Built for BMW applications that use a charcoal cabin filter, this Denso Charcoal line replacement supports cleaner interior air and a more controlled HVAC environment. The 454-4050 is a direct-fit style filter for select BMW X1, 128i, 135i, 328i, 335i, and related models.

Key Features

• Premium activated charcoal media for odor reduction and particle capture
• OE recommended replacement filter for select BMW HVAC systems
• Helps trap pollen, dust, and other allergens
• Non-reusable cabin air filter construction
• Dimensions: 32.7 length, 6.38 width, 1.3 height
• Part number: 454-4050

Product Details

The Denso Charcoal product line focuses on cabin filtration with activated charcoal media for vehicles that need both particulate filtration and odor control. This cabin air filter is a practical replacement for BMW drivers who want to maintain HVAC airflow quality and reduce common interior odors from outside air, traffic, and road debris. Denso 454-4050 is cross-referenced to Mann-Filter CUK 8430 and Wix 49371 for the same application.

What This Filter Helps Address

• Musty or stale HVAC odors entering the cabin
• Pollen and dust buildup in the passenger compartment
• Reduced air quality from road debris and airborne allergens
• Loss of cabin filtration performance from a loaded filter
• Odor transfer through the ventilation system

Installation Notes and Fitment

Replace the cabin air filter according to the vehicle service schedule or sooner if airflow drops or odors increase. Verify the filter orientation and housing access before installation. Compatible With BMW X1 2012-2015, BMW 128i 2008-2013, BMW 135i 2008-2013, BMW 135is 2013, BMW 328i 2007-2013, BMW 328i xDrive 2009-2013, BMW 335i 2007-2013, BMW 335i xDrive 2009-2013, BMW 335is 2011-2013, BMW 1 Series M 2011, BMW 335d 2009-2011, BMW 328xi 2007-2008, BMW 335xi 2007-2008, BMW 325i 2006, BMW 325xi 2006, and BMW 330xi 2006. Notes include charcoal, automatic temperature controls, and carbon container applications where listed.

Quality Assurance

Denso manufactures OE recommended replacement filtration products for select BMW HVAC systems. This cabin air filter is built to match the listed application requirements and support consistent cabin air filtration performance.