Denso 143-3804 Engine Air Filter

Denso FTF Air Filter for BMW and Mini

The Denso FTF Air Filter, part number 143-3804, is an engine air filter built for select BMW and Mini applications. It is engineered to meet Denso quality standards for consistent filtration and dependable engine airflow.

For shoppers searching for a BMW X1 air filter, BMW X2 engine air filter, or Mini Cooper engine air filter, this Denso First Time Fit option provides direct-fit coverage across multiple model years.

Key Features

• Engine air filter for select BMW and Mini vehicles
• Denso First Time Fit product line for OE-style replacement fitment
• Built to Denso quality standards for filtration performance
• Direct replacement for common service intervals
• Part number 143-3804 for easy lookup and ordering

Detailed Description

Denso 143-3804 is an engine air filter from the FTF Air Filter line, developed for drivers who need a direct replacement for factory-style intake filtration. Denso’s background as an OEM supplier in engine filtration components supports the design approach behind this filter line, with attention to fit, airflow, and consistent quality control. This part cross-references BMW 13 71 8 513 944 and Mini 13 71 8 513 944 for the same application.

Compatible With 2021-2024 BMW 228i Gran Coupe, 2022-2024 BMW 228i xDrive Gran Coupe, 2022-2023 BMW X2, 2022-2023 Mini Cooper, 2021-2023 Mini Cooper Clubman, 2021-2023 Mini Cooper Countryman, 2022 BMW X1, 2020-2021 BMW 228i xDrive Gran Coupe, 2016-2021 BMW X1, 2018-2021 BMW X2, 2014-2021 Mini Cooper, 2016-2020 Mini Cooper Clubman, and 2017-2020 Mini Cooper Countryman.

What It Helps Address

• Restricted engine airflow from a dirty or clogged air filter
• Routine maintenance replacement for BMW and Mini intake systems
• Dust and debris entering the engine air intake path
• Reduced filtration efficiency from an aged filter element
• Service needs for BMW X1, BMW X2, and Mini Cooper air filter replacement

Installation Notes and Tips

Verify the vehicle year, model, and engine air filter application before ordering. Compare the existing filter shape and part number to Denso 143-3804 and the OE references listed above. Replace the filter during scheduled maintenance and inspect the airbox for debris before installing the new element.

Quality Assurance

Denso’s First Time Fit Air Filters are produced to meet the brand’s quality standards, with quality assurance built into the product line. The filter is backed by Denso’s experience as a global OEM leader in engine filtration components.