Standard Ignition ALS437 ABS Wheel Speed Sensor - Rear

Overview of Standard Ignition ABS Wheel Speed Sensor ALS437

The Standard Ignition ABS Wheel Speed Sensor ALS437 is designed specifically for BMW 330Ci and 330i models. This sensor plays a critical role in monitoring wheel speed to support your vehicle's anti-lock braking system (ABS) functionality.

• Compatible with BMW 330Ci and 330i models
• Features a 44-inch (1120 mm) harness length for flexible installation
• Includes a single round female connector with two terminals
• Blade-type male terminals for secure electrical connection
• Mounts directly at the wheel with one bolt hole for easy fitment
• Hardware not included

Detailed Product Description

The Standard Ignition ABS Wheel Speed Sensor ALS437 is engineered to provide accurate wheel speed data to the ABS control module on BMW 330Ci and 330i vehicles. It features a 44-inch harness length, allowing for proper routing and connection within the wheel assembly. The sensor includes a single round female connector with two blade-type male terminals, ensuring a reliable electrical interface. Designed to mount at the wheel with one bolt hole, this sensor facilitates straightforward installation and secure positioning. The absence of included hardware means you may need to reuse existing mounting bolts or acquire compatible fasteners separately.

Common Applications and Issues Addressed

• Restores ABS functionality by replacing faulty or damaged wheel speed sensors
• Eliminates ABS warning lights caused by sensor failure on BMW 330Ci and 330i
• Improves braking system responsiveness and safety
• Resolves inconsistent or erratic ABS behavior due to sensor signal loss
• Supports proper operation of traction control and stability systems dependent on wheel speed data

Installation Notes and Tips

• Ensure the mounting location at the wheel is clean and free of debris before installation
• Verify connector orientation matches the vehicle’s wiring harness for a secure fit
• Check the blade terminals for corrosion or damage prior to connection
• Use appropriate torque specifications for the single bolt mounting to avoid sensor damage
• Test ABS system functionality after installation to confirm proper sensor operation

Quality Assurance and Warranty

Standard Ignition manufactures the ALS437 ABS Wheel Speed Sensor to meet or exceed OEM specifications for fit, form, and function on BMW 330Ci and 330i models. While hardware is not included, the sensor undergoes rigorous quality control to ensure reliable performance. Please consult the product documentation or manufacturer for specific warranty details related to this part number.