Standard Ignition ALS431 ABS Wheel Speed Sensor - Rear

Reliable ABS Wheel Speed Sensor for BMW 528i and 540i

The Standard Ignition ALS431 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for BMW 528i and 540i models. Engineered to meet OEM specifications, this sensor ensures proper ABS function and vehicle stability.

• Terminal Quantity: 2
• Connector Gender: Female
• Terminal Gender: Male
• Connector Quantity: 1
• Connector Shape: Round
• Harness Length: 35.5 inches (901.7 mm)
• Mounting Location: Wheel
• Mounting Type: Flange with 1 bolt hole
• Terminal Type: Pin
• Hardware Included: No

Detailed Product Description

The ALS431 ABS Wheel Speed Sensor from Standard Ignition is specifically designed for the wheel mounting location on BMW 528i and 540i vehicles. Featuring a flange mounting type with a single bolt hole, it allows for secure and precise installation. The sensor includes a 35.5-inch harness with a round female connector and male pin terminals, ensuring compatibility with the vehicle’s wiring harness. This sensor transmits accurate wheel speed data to the ABS control module, which is critical for anti-lock braking and traction control systems.

Common Applications and Issues Addressed

• Restores ABS functionality by providing accurate wheel speed readings
• Eliminates ABS warning lights caused by faulty sensors
• Improves traction control and stability system performance
• Prevents erratic braking behavior due to sensor failure
• Resolves intermittent ABS faults related to wiring or connector issues

Installation Notes and Tips

Installation requires removal of the wheel and access to the sensor mounting flange. Ensure the mounting surface is clean and free of debris before securing the sensor with the single bolt. Verify the connector is fully seated and locked to prevent signal loss. No additional hardware is included, so retain original mounting bolts or source replacements as needed. Handle the sensor wiring harness carefully to avoid damage during installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The ALS431 ABS Wheel Speed Sensor undergoes rigorous testing to ensure durability and reliable performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty against defects in materials and workmanship.