Standard Ignition ALS2721 ABS Wheel Speed Sensor - Front

Reliable ABS Wheel Speed Sensor for BMW Models

The Standard Ignition ALS2721 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for a range of BMW vehicles. Engineered to meet OEM specifications, this sensor ensures proper ABS function and vehicle stability.

• Compatible with BMW 118i, 120i, 228i, 230i, 320i, 328d, 328i, 330e, 330i, 335i, 340i, 428i, 428i Gran Coupe, 430i, 430i Gran Coupe, 435i, 435i Gran Coupe, 440i, 440i Gran Coupe, ActiveHybrid 3, M235i, and M240i models
• OEM replacement part number ALS2721
• 24.25-inch (610 mm) harness length for flexible installation
• Single bolt mount with one bolt hole for secure attachment at the wheel
• Oval-shaped female connector with two male terminals (pin type) for reliable electrical connection
• Mounting hardware not included

Detailed Product Description

The Standard Ignition ALS2721 ABS Wheel Speed Sensor is a direct OEM replacement designed specifically for various BMW models. It features a 24.25-inch harness length, allowing for proper routing and connection within the wheel assembly. The sensor mounts securely using a single bolt hole, ensuring stable positioning critical for accurate wheel speed measurement. The oval-shaped female connector with two male pin terminals provides a dependable electrical interface, maintaining signal integrity for the ABS system. This sensor is essential for monitoring wheel rotation speed and enabling the anti-lock braking system to function correctly, enhancing vehicle safety and control.

Common Applications and Issues Addressed

• Restores ABS warning light functionality by replacing faulty sensors
• Eliminates erratic ABS activation or braking instability
• Resolves speedometer inaccuracies related to wheel speed data
• Prevents traction control and stability control system errors
• Addresses sensor damage from road debris or wear over time

Installation Notes and Tips

• Ensure the mounting location at the wheel is clean and free of debris before installation
• Use the original bolt or equivalent hardware as mounting hardware is not included
• Verify connector orientation matches the oval female connector with two male pin terminals
• Route the 24.25-inch harness carefully to avoid pinching or damage
• Test the ABS system after installation to confirm proper sensor operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The ALS2721 ABS Wheel Speed Sensor is an OEM replacement part, providing compatibility and quality assurance for your BMW vehicle. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.