Wix WA10257 Air Filter

WIX WA10257 Engine Air Filter for BMW

The WIX WA10257 is a premium panel engine air filter built for BMW applications that need dependable airflow control and engine protection. It uses enhanced cellulose media with added media area to support normal commuting and severe driving conditions, including stop-and-go traffic, dirt roads, construction zones, short trips, and highway travel.

Key Features

• Panel-style engine air filter with a closed inner diameter top
• Enhanced cellulose media for durable filtration performance
• 30% more media than OES filters, based on manufacturer specification
• Phenolic resin treatment helps resist moisture ingestion
• High-tear strength polyurethane seal for hot and cold temperature exposure when applicable
• Laboratory-tested to ISO 5011 standards with at least 99.5% efficiency, based on Wix 42389
• Dimensions: 10.55 in. length, 8.625 in. width, 1.476 in. height

Detailed Description

WIX WA10257 is an engine air filter designed as an OE-style replacement for BMW 335i, BMW 435i, BMW M2, BMW M240i xDrive, and BMW ActiveHybrid 3 applications listed below. The filter’s cellulose media and panel construction are selected to maintain airflow while capturing airborne contaminants that can enter the intake system during everyday driving. This part cross-references BMW 13717602643 and Mann-Filter AF5701 for the same application. The WIX WA10257 part number is also commonly searched by drivers looking for a BMW engine air filter replacement that matches OE service intervals and factory fitment requirements.

What It Helps Address

• Restricted airflow caused by a dirty or loaded engine air filter
• Dust and debris entering the intake system during road use
• Moisture exposure that can affect filter durability
• Reduced filtration performance during stop-and-go or short-trip driving
• Routine BMW air filter service intervals on OE-equivalent applications

Installation Notes and Fitment

Compatible With 2018 BMW M2, N/A. Compatible With 2017-2018 BMW M240i xDrive, N/A. Compatible With 2016-2017 BMW M2, N/A. Compatible With 2014-2016 BMW 435i, N/A. Compatible With 2015-2016 BMW 435i Gran Coupe, N/A. Compatible With 2014-2016 BMW 435i xDrive, N/A. Compatible With 2015-2016 BMW 435i xDrive Gran Coupe, N/A. Compatible With 2014-2015 BMW 335i, N/A. Compatible With 2014-2015 BMW 335i GT xDrive, N/A. Compatible With 2014-2015 BMW 335i xDrive, N/A. Compatible With 2014-2015 BMW ActiveHybrid 3, N/A. Compatible With 2013 BMW 335i, N/A. Compatible With 2013 BMW 335i xDrive, N/A. Compatible With 2013 BMW ActiveHybrid 3, N/A.

Verify the existing air box and OE part number before installation. Confirm the filter dimensions and seating surface match the housing to ensure proper sealing and intake protection. For BMW 335i and BMW 435i service, replace the filter at the recommended interval or sooner in dusty driving conditions.

Quality Assurance

WIX specifies ISO 5011 laboratory testing for this filter and states at least 99.5% efficiency based on Wix 42389. The WA10257 is built to support OE replacement service on the listed BMW applications.