Denso 143-3802 Engine Air Filter

Denso FTF Air Filter for BMW Applications

The Denso 143-3802 is an engine air filter built for select BMW models from 2016-2021. It supports clean intake airflow for BMW 230i, 330i, 340i, 430i, 440i, M240i, and 330e applications with direct-fit coverage across multiple chassis configurations.

Key Features

• Denso First Time Fit air filter line for OE-style replacement fitment
• Engine air filter for select BMW 2 Series, 3 Series, and 4 Series models
• Built to Denso quality standards for filtration performance and fit
• Cross-references BMW 13 71 8 632 502 and Purolator TA41367 for the same application
• Part number 143-3802 for catalog and service matching

Detailed Description

Denso First Time Fit Air Filters are engineered as direct replacement engine air filters for vehicles that require precise fitment and dependable filtration. This Denso 143-3802 application coverage includes 2016-2021 BMW 230i, 230i xDrive, M240i, M240i xDrive, 330e, 330i, 330i xDrive, 330i GT xDrive, 340i, 340i xDrive, 340i GT xDrive, 430i, 430i xDrive, 430i Gran Coupe, 430i xDrive Gran Coupe, 440i, 440i xDrive, 440i Gran Coupe, and 440i xDrive Gran Coupe. If you are searching for a BMW engine air filter for 330i xDrive or a Denso air filter for 430i Gran Coupe, this part number is listed for those applications.

What This Filter Helps Address

• Restricted engine airflow from a dirty or clogged air filter
• Dust and debris entering the intake system
• Reduced filtration performance during routine maintenance
• Incorrect replacement part selection for BMW 2 Series, 3 Series, and 4 Series models

Installation Notes and Tips

Verify the existing filter housing and match the vehicle year, model, and drivetrain before installation. Confirm the part number 143-3802 against the removed filter and service catalog data for your BMW 230i, 330i, 340i, 430i, or M240i application. Replace the engine air filter at the interval specified by the vehicle maintenance schedule, and inspect the airbox for debris before closing the housing.

Quality Assurance

Denso develops filtration components as part of its OEM-focused product range, and the First Time Fit line is built to meet Denso quality standards for fit and performance. Quality assurance is stated by the manufacturer for this air filter line.