Standard Ignition AS634 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for BMW and Mini Models

The Standard Ignition AS634 Manifold Absolute Pressure Sensor is designed to provide accurate pressure readings for optimal engine performance. Compatible with select BMW and Mini vehicles, this sensor helps maintain efficient fuel management and emission control.

• Compatible with BMW 228i Gran Coupe, 228i xDrive Gran Coupe, M235i xDrive Gran Coupe, X1, X2, and Mini Cooper, Cooper Clubman, Cooper Countryman models
• Measures manifold absolute pressure to support engine control unit (ECU) functions
• Direct replacement part number AS634 for easy identification and fitment
• Ensures precise air-fuel mixture adjustments for improved engine efficiency
• Designed to meet OEM specifications for reliable performance

Product Details and Functionality

The Standard Ignition AS634 sensor monitors the pressure inside the intake manifold, providing critical data to the vehicle’s engine control unit. This information is essential for calculating air density and determining the correct fuel injection and ignition timing. Proper function of the manifold absolute pressure sensor is vital for maintaining engine efficiency, reducing emissions, and preventing drivability issues. This sensor is engineered to fit specific BMW and Mini models, ensuring compatibility and straightforward installation.

Common Applications and Problem Resolution

• Helps resolve rough idling and engine stalling caused by incorrect manifold pressure readings
• Addresses poor fuel economy linked to faulty sensor data
• Prevents check engine light triggers related to emission control system faults
• Improves throttle response and overall engine performance
• Reduces emissions by supporting accurate air-fuel mixture adjustments

Installation Notes and Tips

Installation of the Standard Ignition AS634 sensor requires basic mechanical skills and standard hand 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 engine control unit. Verify proper sensor operation by checking for stable idle and absence of warning lights.

Quality Assurance and Warranty Information

Standard Ignition manufactures the AS634 sensor to meet or exceed OEM standards, ensuring reliable performance and durability. Each sensor undergoes rigorous testing to verify accuracy and longevity. This product is backed by a limited warranty covering defects in materials and workmanship, providing confidence in its quality and fitment for your BMW or Mini vehicle.