Wix 49257 Air Filter - Left

Overview of Wix Engine Air Filter 49257

The Wix 49257 engine air filter is designed to provide reliable air filtration for select BMW models. Engineered with cellulose media and a panel style design, this filter helps maintain optimal engine performance by effectively capturing contaminants.

• Compatible with BMW 550i, 650i, 740e xDrive, 750Li, Alpina B8 Gran Coupe, M2, X5, and X6 models
• Panel style air filter with dimensions: 15.5 inches length, 11.75 inches width, and 2.817 inches height
• Constructed with cellulose media for efficient filtration
• Class D filter with light-duty (Ld) rating suitable for standard driving conditions
• Inner diameter top is closed, ensuring proper fit and sealing

Technical Details and Specifications

The Wix 49257 engine air filter features a panel style design that fits precisely into the air intake system of various BMW vehicles. Its cellulose media material is engineered to trap dust, dirt, and other airborne particles, protecting the engine from potential damage. The filter measures 15.5 inches in length, 11.75 inches in width, and 2.817 inches in height, making it compatible with specific BMW models including the 550i GT xDrive, 650i Gran Coupe, 740Le xDrive, and others. The closed inner diameter top ensures a secure seal within the airbox, preventing unfiltered air from entering the engine.

Compatible BMW Models and Applications

• BMW 550i, 550i GT, 550i GT xDrive, 550i xDrive
• BMW 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe
• BMW 740e xDrive, 740Le xDrive
• BMW 750i, 750i xDrive, 750Li, 750Li xDrive
• BMW Alpina B8 Gran Coupe, M2, X5, X6

Common Issues Addressed by Wix 49257 Air Filter

• Prevents engine performance loss due to clogged or dirty air filters
• Reduces risk of engine damage from dust and debris entering the intake system
• Helps maintain fuel efficiency by ensuring proper air flow
• Minimizes engine wear caused by contaminants
• Supports consistent engine power and throttle response

Installation Notes and Tips

When installing the Wix 49257 engine air filter, ensure the airbox is clean and free of debris before placing the new filter. The closed inner diameter top should align securely within the air intake housing to prevent air leaks. Follow the vehicle manufacturer’s recommended service intervals for air filter replacement to maintain optimal engine performance. No special tools are required for installation, but handle the filter carefully to avoid damage to the cellulose media.

Quality Assurance and Warranty

Wix engine air filters are manufactured to meet industry standards for filtration and durability. The 49257 part number undergoes rigorous quality control to ensure consistent performance. While specific warranty details may vary, Wix typically offers coverage against defects in materials and workmanship. Refer to Wix documentation for complete warranty information.