Denso 143-3679 Engine Air Filter

Denso FTF Air Filter for BMW

The Denso First Time Fit Air Filter is built to meet Denso’s quality standards for engine filtration and dependable airflow. This engine air filter is a direct replacement for select BMW 320i, 328i, 228i, and 428i applications, including xDrive and Gran Coupe variants.

Part number 143-3679 is engineered for a precise fit in compatible BMW models and supports clean intake performance with OE-style dimensions and construction. If you are replacing a worn BMW engine air filter, this Denso FTF Air Filter offers a straightforward service part for routine maintenance.

Key Features

• Engine air filter for select BMW applications
• Denso First Time Fit product line for OE-style replacement fitment
• Square filter shape
• Height: 41.0
• Side A length: 227.0
• Side B length: 203.0
• Part number 143-3679

Detailed Description

Denso 143-3679 is an engine air filter designed for select BMW 320i, 328i, 228i, and 428i models from 2012-2018. The First Time Fit Air Filter line is developed to meet Denso’s internal quality standards and to provide a direct replacement solution for vehicles that require a square filter with the listed dimensions. This part cross-references BMW 13 71 8 507 320 for the same application.

Compatible BMW fitment includes 2013-2018 BMW 320i and 320i xDrive, 2014-2016 BMW 228i, 2015-2016 BMW 228i xDrive, 2012-2016 BMW 328i, 2014-2016 BMW 328i GT xDrive, 2013-2016 BMW 328i xDrive, 2014-2016 BMW 428i, 2015-2016 BMW 428i Gran Coupe, 2014-2016 BMW 428i xDrive, and 2015-2016 BMW 428i xDrive Gran Coupe.

What It Helps Address

• Restricted airflow from a dirty or clogged engine air filter
• Routine maintenance replacement for BMW intake service
• Fitment issues caused by using the wrong filter dimensions
• Reduced engine breathing from a worn filtration element
• Service needs on BMW 320i, 328i, 228i, and 428i models

Installation Notes and Tips

Verify the filter shape and dimensions before installation: square, 41.0 height, 227.0 side A length, and 203.0 side B length. Confirm vehicle application by year, model, and drivetrain before ordering. Replace the air filter during scheduled maintenance and inspect the airbox for debris before installing the new filter.

Quality Assurance

Denso’s First Time Fit Air Filters are backed by the brand’s quality assurance process and built to meet Denso’s standards for filtration components. Denso’s background as a global OEM supplier in engine filtration supports consistent replacement part quality for compatible BMW applications.