Walker 245-2147 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-2147

Walker Mass Air Flow Sensor 245-2147 is a direct-fit engine management replacement for select BMW applications. It is built to meet or exceed OEM standards and specifications, with application data and technical support backed by Walker Products’ engineering and product management teams.

Key Features

• Mass air flow sensor for emission control and engine management systems
• Part number 245-2147 for accurate ordering and fitment lookup
• 4-terminal female connector
• Mounting hardware included
• Housing not included
• Manufactured by Walker Products, an ISO 9001/IATF16949 certified company

Product Details

The Walker Mass Air Flow Sensor line is focused on accurate airflow measurement for fuel delivery and drivability control. This Walker 245-2147 sensor is a practical replacement choice for BMW 540i, BMW 740i, BMW 740iL, and BMW 840Ci applications listed below. Walker Products has supplied fuel system and engine sensor components since 1946, and this part reflects that long-running focus on OE-style fit and specification control.

Compatible With: Fits 1994-1995 BMW 540i, N/A; Fits 1997-1998 BMW 540i, N/A; Fits 1993-1995 BMW 740i, N/A; Fits 1997-1998 BMW 740i, N/A; Fits 1993-1998 BMW 740iL, N/A; Fits 1994-1997 BMW 840Ci, N/A. Part number 245-2147 is the reference to use when matching this sensor to the listed BMW fitments.

Common Issues This Part Can Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or stumble during acceleration
• Incorrect fuel mixture from a failing mass air flow sensor
• Check engine light related to airflow measurement faults
• Poor throttle response on BMW 540i, 740i, 740iL, or 840Ci applications

Installation Notes

Verify connector style, terminal count, and application before installation. This sensor uses a female connector with four terminals, and mounting hardware is included. Housing is not included, so reuse the existing housing where the vehicle application requires it. Confirm the vehicle year and model against the listed BMW fitment for the Walker 245-2147 before replacing the original sensor.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, engineering, and technical resources, and operates under ISO 9001/IATF16949 certification.