Denso 143-3679 Engine Air Filter

Overview of the Denso FTF Air Filter 143-3679

The Denso FTF Air Filter 143-3679 is designed to provide reliable engine air filtration for select BMW models. Its precise dimensions and square shape ensure a proper fit and efficient airflow management for optimal engine performance.

• Engine air filter with a square shape
• Height: 41.0 mm
• Side A length: 227.0 mm
• Side B length: 203.0 mm
• Compatible with multiple BMW 2 Series and 3 Series models

Detailed Product Description

This Denso engine air filter, part number 143-3679, features a square design with a height of 41.0 mm, side A length of 227.0 mm, and side B length of 203.0 mm. These dimensions are engineered to fit precisely within the air intake system of various BMW vehicles, including the 228i, 228i xDrive, 320i, 320i xDrive, 328i, 328i GT xDrive, 328i xDrive, 428i, 428i Gran Coupe, 428i xDrive, and 428i xDrive Gran Coupe. The filter's shape and size contribute to effective filtration by maximizing the surface area exposed to incoming air while maintaining a compact form factor.

The FTF Air Filter product line by Denso focuses on delivering filtration solutions that meet OEM specifications for fit and function. This line is designed to maintain engine efficiency and protect internal components by filtering out contaminants from the air intake stream. The 143-3679 model is part of this line, ensuring compatibility and performance consistency for the specified BMW models.

Compatible Vehicles and Applications

• BMW 228i and 228i xDrive
• BMW 320i and 320i xDrive
• BMW 328i, 328i GT xDrive, and 328i xDrive
• BMW 428i, 428i Gran Coupe, 428i xDrive, and 428i xDrive Gran Coupe

Common Issues Addressed by the Denso 143-3679 Air Filter

• Reduced engine performance due to clogged or dirty air filters
• Increased fuel consumption from inefficient air intake
• Engine misfires or rough idling caused by contaminated air
• Premature engine wear from unfiltered debris entering the combustion chamber
• Check engine light triggered by airflow sensor irregularities

Installation Notes and Tips

When installing the Denso FTF Air Filter 143-3679, ensure the filter is seated properly within the air box to prevent unfiltered air bypass. Verify the orientation matches the OEM filter to maintain airflow direction. Regular inspection and replacement intervals should be followed according to the vehicle manufacturer’s recommendations to maintain optimal engine performance.

Quality Assurance and Warranty

Denso manufactures the FTF Air Filter line to meet strict quality standards, ensuring durability and filtration efficiency. While specific warranty details for part number 143-3679 are not provided here, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to Denso or the vehicle’s service documentation for exact warranty terms.