Standard Ignition AS461 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS461 Manifold Absolute Pressure Sensor

The Standard Ignition AS461 Manifold Absolute Pressure (MAP) Sensor is designed to provide accurate pressure readings for optimal engine performance. This sensor is compatible with a wide range of BMW models, ensuring precise fitment and reliable operation.

• Terminal Quantity: 4 with male blade terminals
• Connector: 1 female plug-in connector, round and rectangular shape
• Color/Finish: Black
• Includes O-rings for proper sealing
• Vacuum Port Quantity: 1
• No mounting brackets or wiring harness included

Detailed Product Description

The AS461 MAP sensor from Standard Ignition features a 4-terminal design with male blade terminals and a single female plug-in connector, shaped both round and rectangular for secure connection. Its black finish complements the engine bay aesthetics while providing durability. The sensor includes O-rings to ensure a tight seal and prevent vacuum leaks, which is critical for accurate manifold pressure readings. With one vacuum port, this sensor effectively monitors the intake manifold pressure, sending vital data to the engine control unit (ECU) for fuel and ignition adjustments.

Compatible BMW Models and Applications

This MAP sensor is compatible with numerous BMW vehicles, including but not limited to the 135i, 228i, 320i, 328i, 330i, 335i, 428i, 435i, 528i, 530i, 535i, 540i, 550i, 640i, 650i, 740i, 750i, 760i, M2, M3, M4, M5, M6, M8, X1, X3, X4, X5, X6, X7, and Z4 models. This extensive fitment ensures that the AS461 sensor meets the specific requirements of various BMW engines, including xDrive and Gran Coupe variants.

Common Issues Addressed by the AS461 MAP Sensor

• Erratic engine idle or stalling
• Poor fuel economy due to incorrect air-fuel mixture
• Check Engine Light triggered by faulty manifold pressure readings
• Reduced engine power and performance
• Difficulty starting the engine or rough acceleration

Installation Notes and Tips

When installing the Standard Ignition AS461 MAP sensor, ensure the O-rings are properly seated to prevent vacuum leaks. The sensor features a plug-in connector with a female interface and male blade terminals, so verify secure electrical connections. No mounting brackets or wiring harness are included, so reuse existing hardware and harnesses from the original sensor. Always disconnect the battery before installation to avoid electrical shorts.

Quality Assurance and Warranty

Standard Ignition manufactures the AS461 MAP sensor to meet OEM specifications for fit, form, and function. The sensor undergoes rigorous testing to ensure reliable performance in emission control systems. While specific warranty details are not provided here, Standard Ignition products typically come with a limited warranty against defects in materials and workmanship.