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$11.74The Story
Overview of Hengst HEZ Engine Air Filter E1778L
The Hengst HEZ Engine Air Filter E1778L is designed to provide reliable air filtration for select BMW models. Engineered to meet OEM specifications, this filter supports optimal engine performance and longevity for vehicles such as the BMW 230i, 330i, 430i, and Z4.
- Compatible with BMW 230i, 230i xDrive, 330e, 330e xDrive, 330i, 330i xDrive, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, and Z4 models
- Part number E1778L ensures precise fitment and easy identification
- Part of the Hengst HEZ Engine Air Filter line, designed for efficient air flow and filtration
- Manufactured to meet or exceed OEM standards for durability and performance
- Helps maintain engine efficiency by filtering out contaminants and debris
About the HEZ Engine Air Filter Line
The HEZ Engine Air Filter line by Hengst focuses on delivering high-quality filtration solutions tailored to specific vehicle applications. This product line emphasizes compatibility and performance, ensuring that each filter like the E1778L fits precisely and functions effectively within the engine air intake system of BMW vehicles. The HEZ filters are engineered to balance airflow and filtration efficiency, supporting engine health and fuel economy.
Detailed Product Description
The Hengst HEZ Engine Air Filter E1778L is constructed to provide consistent filtration performance for a range of BMW models, including the 230i and 330i series, as well as the 430i and Z4. This engine air filter captures airborne particles such as dust, dirt, and other contaminants before they enter the engine, helping to prevent premature wear and maintain combustion efficiency. The filter media and frame are designed to withstand the operating conditions of modern BMW engines, ensuring durability and reliable performance over the service interval.
Common Applications and Issues Addressed
- Prevents engine damage caused by dust and debris entering the intake system
- Helps maintain optimal air-fuel mixture for efficient combustion
- Reduces engine wear and prolongs engine life
- Supports consistent engine power and responsiveness
- Helps maintain fuel efficiency by ensuring clean airflow
Installation Notes and Tips
When installing the Hengst HEZ Engine Air Filter E1778L, ensure the engine is cool and the air filter housing is clean before placement. Verify the part number E1778L matches your vehicle’s requirements. Properly seat the filter to avoid air bypass and secure the housing according to manufacturer specifications. Regular inspection and replacement according to BMW’s maintenance schedule will help maintain engine performance.
Quality Assurance and Warranty
Hengst manufactures the HEZ Engine Air Filter E1778L to meet stringent quality standards, ensuring reliable filtration and fitment. While specific warranty details are not provided here, Hengst products typically comply with OEM quality requirements and are backed by manufacturer warranties covering defects in materials and workmanship.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Overview of Hengst HEZ Engine Air Filter E1778L
The Hengst HEZ Engine Air Filter E1778L is designed to provide reliable air filtration for select BMW models. Engineered to meet OEM specifications, this filter supports optimal engine performance and longevity for vehicles such as the BMW 230i, 330i, 430i, and Z4.
- Compatible with BMW 230i, 230i xDrive, 330e, 330e xDrive, 330i, 330i xDrive, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, and Z4 models
- Part number E1778L ensures precise fitment and easy identification
- Part of the Hengst HEZ Engine Air Filter line, designed for efficient air flow and filtration
- Manufactured to meet or exceed OEM standards for durability and performance
- Helps maintain engine efficiency by filtering out contaminants and debris
About the HEZ Engine Air Filter Line
The HEZ Engine Air Filter line by Hengst focuses on delivering high-quality filtration solutions tailored to specific vehicle applications. This product line emphasizes compatibility and performance, ensuring that each filter like the E1778L fits precisely and functions effectively within the engine air intake system of BMW vehicles. The HEZ filters are engineered to balance airflow and filtration efficiency, supporting engine health and fuel economy.
Detailed Product Description
The Hengst HEZ Engine Air Filter E1778L is constructed to provide consistent filtration performance for a range of BMW models, including the 230i and 330i series, as well as the 430i and Z4. This engine air filter captures airborne particles such as dust, dirt, and other contaminants before they enter the engine, helping to prevent premature wear and maintain combustion efficiency. The filter media and frame are designed to withstand the operating conditions of modern BMW engines, ensuring durability and reliable performance over the service interval.
Common Applications and Issues Addressed
- Prevents engine damage caused by dust and debris entering the intake system
- Helps maintain optimal air-fuel mixture for efficient combustion
- Reduces engine wear and prolongs engine life
- Supports consistent engine power and responsiveness
- Helps maintain fuel efficiency by ensuring clean airflow
Installation Notes and Tips
When installing the Hengst HEZ Engine Air Filter E1778L, ensure the engine is cool and the air filter housing is clean before placement. Verify the part number E1778L matches your vehicle’s requirements. Properly seat the filter to avoid air bypass and secure the housing according to manufacturer specifications. Regular inspection and replacement according to BMW’s maintenance schedule will help maintain engine performance.
Quality Assurance and Warranty
Hengst manufactures the HEZ Engine Air Filter E1778L to meet stringent quality standards, ensuring reliable filtration and fitment. While specific warranty details are not provided here, Hengst products typically comply with OEM quality requirements and are backed by manufacturer warranties covering defects in materials and workmanship.




















