Walker 225-1518 Manifold Absolute Pressure Sensor

Walker 225-1518 Manifold Absolute Pressure Sensor

Walker Products 225-1518 is a manifold absolute pressure sensor for select BMW turbocharged applications. It is built for direct engine-management replacement where accurate intake pressure feedback is needed for proper fuel and boost control.

Key Features

• Manifold Absolute Pressure Sensor for engine load and boost pressure monitoring
• Walker Products engine sensor backed by decades of fuel system and aftermarket experience
• Manufactured to meet or exceed OEM standards and specifications
• ISO 9001 and IATF 16949 certified manufacturing environment
• Application-specific fitment for select BMW 2012-2014 models
• Part number 225-1518 for easy catalog lookup and replacement matching

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with in-house manufacturing, engineering, and product management support. The Walker Products line focuses on accurate part applications and technical consistency across sensors, repair kits, and other engine management components. This MAP sensor is listed for BMW 320i, 320i xDrive, 328i, 328i xDrive, 328i GT xDrive, 428i, 428i xDrive, 528i, 528i xDrive, X1, X3, Z4, M5, M6, and M6 Gran Coupe applications within the confirmed model years.

This part cross-references Standard Ignition AS479 and Continental 5WK96865Z for the same application. The 225-1518 MAP sensor is a direct-fit replacement choice for BMW intake manifold pressure monitoring and related engine control functions.

Vehicle Fitment

• Fits 2013-2014 BMW 320i, Location-Intercooler Piping
• Fits 2013-2014 BMW 320i xDrive, Location-Intercooler Piping
• Fits 2012-2014 BMW 328i
• Fits 2014 BMW 328i GT xDrive
• Fits 2013-2014 BMW 328i xDrive
• Fits 2014 BMW 428i
• Fits 2014 BMW 428i xDrive
• Fits 2012-2014 BMW 528i
• Fits 2012-2014 BMW 528i xDrive
• Fits 2014 BMW M5, Location-Intercooler Piping
• Fits 2014 BMW M6 Gran Coupe
• Fits 2013-2014 BMW X1
• Fits 2014 BMW X3, Location-Intercooler Piping
• Fits 2013-2014 BMW Z4, On Intake Manifold
• Fits 2013 BMW M5
• Fits 2012-2013 BMW M6
• Fits 2013 BMW X3
• Fits 2012 BMW Z4

Common Uses

• Replacing a failed manifold absolute pressure sensor
• Restoring accurate intake manifold pressure readings
• Addressing drivability issues tied to incorrect engine load data
• Correcting boost-related sensor faults on turbocharged BMW applications
• Supporting proper fuel and air management in the engine control system

Installation Notes

Verify the connector style, mounting location, and engine application before installation. Confirm whether the sensor is located on the intercooler piping or intake manifold for the specific BMW model listed. Clear diagnostic trouble codes after installation and inspect the intake tract for leaks or damaged wiring that could affect sensor readings.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports production with engineering, product management, and technical documentation, and operates under ISO 9001 and IATF 16949 certification.