Baldwin PA4047 Air Filter

Overview of Baldwin PA4047 Engine Air Filter for BMW

The Baldwin PA4047 engine air filter is designed specifically for select BMW models, including the 318i, 325i, 525i, and 850Ci. This filter ensures proper air flow and filtration to maintain engine performance and longevity.

• Compatible with BMW models: 318i, 318is, 325e, 325es, 325i, 325is, 325iX, 525i, 528e, 750iL, 850Ci, 850CSi, 850i
• Dimensions: Length 10 3/16 inches (258.8 mm), Width 5 7/8 inches (149.2 mm), Height 2 7/32 inches (56.4 mm)
• Replaces OEM part numbers BMW 13721707050, 13721715881 and WIX 46221
• Engine air filter designed for efficient air and fuel delivery system filtration

Detailed Product Description and Specifications

The Baldwin PA4047 engine air filter is engineered to meet the exact specifications required by BMW vehicles such as the 318i and 850Ci. With precise dimensions of 10 3/16 inches in length, 5 7/8 inches in width, and 2 7/32 inches in height, this filter fits securely within the air intake system. It replaces OEM filters including BMW part numbers 13721707050 and 13721715881, as well as WIX 46221, ensuring compatibility and reliable performance. The filter media is designed to capture contaminants while allowing optimal airflow, supporting engine efficiency and reducing wear.

Applications and Common Issues Addressed

• Prevents engine damage caused by dust and debris entering the intake system
• Helps maintain fuel efficiency by ensuring clean air supply
• Reduces engine misfires and rough idling related to clogged or dirty air filters
• Supports consistent engine power and acceleration
• Minimizes emissions by maintaining proper air-fuel mixture

Installation Notes and Tips

Installation of the Baldwin PA4047 engine air filter is straightforward for BMW models listed. Before installation, ensure the engine is cool and the air filter housing is clean. Remove the old filter carefully to avoid debris entering the intake. Verify the filter orientation matches OEM specifications and fits snugly within the housing. Regular inspection and replacement intervals should follow the vehicle manufacturer’s recommendations to maintain optimal engine performance.

Quality Assurance and Warranty Information

Baldwin engine air filters are manufactured to meet industry standards for filtration and durability. The PA4047 is tested for fit, filtration efficiency, and material integrity. While specific warranty details may vary, Baldwin typically offers coverage against defects in materials and workmanship. Consult Baldwin’s official documentation or authorized distributors for precise warranty terms related to this engine air filter.