Hengst E4939LC Cabin Air Filter - Rear

Overview of Hengst HEZ Cabin Air Filter E4939LC

The Hengst HEZ Cabin Air Filter E4939LC is designed to provide effective filtration for BMW models including the 740i, 740Li, 750i, 760Li, and ActiveHybrid 7 series. Featuring carbon filter media, this cabin air filter helps reduce airborne contaminants inside the vehicle cabin, contributing to improved air quality and comfort.

• Carbon filter media for enhanced pollutant absorption
• Compatible with BMW 7 Series models such as 740i, 740Li, 750i, 760Li, and ActiveHybrid 7
• Part number E4939LC for precise fitment
• Designed to filter dust, pollen, and odors effectively
• Easy to install replacement filter

Detailed Description of the HEZ Cabin Air Filter

The HEZ Cabin Air Filter line by Hengst focuses on delivering reliable cabin air filtration solutions tailored to specific vehicle applications. The E4939LC model utilizes carbon filter media, which is effective at capturing not only particulate matter like dust and pollen but also gaseous pollutants and odors. This makes it suitable for BMW 7 Series vehicles including the 740i, 740Li, 750i, 760Li, and ActiveHybrid 7 variants, ensuring that the cabin air remains cleaner and fresher during driving.

Applications and Problem Solving

• Reduces airborne dust and pollen entering the cabin
• Helps minimize unpleasant odors from outside sources
• Improves air quality for occupants with allergies or sensitivities
• Prevents HVAC system contamination and maintains airflow efficiency
• Supports overall vehicle interior comfort and cleanliness

Installation Notes and Tips

• Refer to the BMW owner’s manual for cabin filter location and replacement intervals
• Ensure the filter is installed with the correct airflow direction indicated on the filter
• Wear gloves to avoid contaminating the filter media during installation
• Inspect the filter housing for debris before installing the new filter
• Replace the cabin air filter regularly as part of routine vehicle maintenance

Quality Assurance and Warranty

Hengst manufactures the HEZ Cabin Air Filter E4939LC to meet OEM standards for fit and filtration performance. The use of carbon filter media is consistent with industry practices for cabin air quality improvement. While specific warranty details are not provided, Hengst products typically adhere to quality control processes to ensure durability and reliability in automotive HVAC applications.