Standard Ignition ALS3104 ABS Wheel Speed Sensor - Front

Reliable ABS Wheel Speed Sensor for BMW X3 and X4

The Standard Ignition ALS3104 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for BMW X3 and X4 models. Engineered for direct replacement, this sensor ensures proper ABS function and vehicle stability.

• Compatible with BMW X3 and X4 models
• OEM replacement part number ALS3104
• Direct bolt mount installation on spindle
• 38-inch wiring harness included for easy connection
• Female oval connector with two terminals (male pins)
• Black finish with snap-fit attachment method
• Wiring harness included; mounting hardware not included

Product Features and Specifications

This ABS wheel speed sensor features a single connector with an oval shape and two terminals, designed for a secure and reliable electrical connection. The sensor mounts directly to the spindle using a bolt mount with one bolt hole, ensuring precise positioning for accurate wheel speed readings. The 38-inch wiring harness provides sufficient length for installation without modification. The sensor’s black finish complements the vehicle’s undercarriage and resists corrosion. Note that mounting hardware and dust shield are not included, so reusing existing components is necessary.

Purpose and Common Applications

The Standard Ignition ALS3104 sensor is essential for maintaining the ABS system’s performance on BMW X3 and X4 vehicles. It helps monitor wheel speed to prevent wheel lockup during braking and supports traction control systems.

• Resolves ABS warning light issues related to faulty wheel speed sensors
• Corrects erratic or inaccurate wheel speed readings
• Restores proper function to traction control and stability systems
• Eliminates intermittent ABS activation or braking irregularities
• Prevents potential safety hazards caused by sensor failure

Installation Notes and Tips

Installation requires removal of the wheel and access to the spindle mounting location. The sensor mounts with a single bolt; ensure the mounting surface is clean and free of debris before installation. The 38-inch wiring harness allows for straightforward routing to the vehicle’s ABS control module. Since mounting hardware is not included, retain original bolts or source compatible replacements. Verify connector orientation and secure the snap-fit connection to avoid electrical issues.

Quality Assurance and Warranty

Standard Ignition parts meet OEM specifications for fit, form, and function. The ALS3104 ABS Wheel Speed Sensor is tested for durability and electrical performance to ensure reliable operation. This sensor is an OEM replacement part, providing confidence in compatibility and quality. Warranty coverage details should be confirmed with the product provider.