Standard Ignition AS479 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for BMW Vehicles

The Standard Ignition AS479 Manifold Absolute Pressure Sensor is designed to provide accurate engine load data for optimal performance. Compatible with a range of BMW models, this sensor helps maintain efficient engine operation and emission control.

• Direct replacement for OEM manifold absolute pressure sensor
• Compatible with BMW 320i, 328i, 428i, 528i, M5, M6, X1, X3, and Z4 models
• Ensures precise measurement of intake manifold pressure
• Supports proper air-fuel mixture and engine timing
• Durable construction for long-lasting performance

Product Details and Compatibility

The Standard Ignition AS479 sensor is engineered to meet the specifications required by BMW vehicles including the 320i, 320i xDrive, 328i, 328i GT xDrive, 328i xDrive, 428i, 428i xDrive, 528i, 528i xDrive, M5, M6, M6 Gran Coupe, X1, X3, and Z4. This sensor monitors the absolute pressure within the intake manifold, providing critical data to the engine control unit (ECU) for adjusting fuel injection and ignition timing. Proper function of this sensor is essential for maintaining engine efficiency and reducing emissions.

Common Applications and Problem Resolution

• Helps resolve rough idling and engine stalling issues
• Addresses poor fuel economy caused by incorrect air-fuel mixture
• Prevents check engine light triggers related to manifold pressure faults
• Improves acceleration response and overall engine performance
• Supports emission control compliance by accurate sensor readings

Installation Notes and Tips

Installation of the Standard Ignition AS479 sensor requires basic mechanical skills and proper tools. Before installation, ensure the engine is cool and disconnect the battery to prevent electrical shorts. Remove the old sensor carefully to avoid damage to the intake manifold or wiring harness. After installing the new sensor, clear any diagnostic trouble codes using an OBD-II scanner to reset the ECU. Verify sensor operation by checking for smooth engine performance and absence of warning lights.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The AS479 Manifold Absolute Pressure Sensor undergoes rigorous quality control testing to maintain consistency. This part is backed by a limited warranty covering defects in materials and workmanship, providing confidence in its long-term use on compatible BMW models.