Standard Ignition ALS3223 ABS Wheel Speed Sensor - Rear

ABS Wheel Speed Sensor for BMW Rear Fitment

Standard Ignition ALS3223 is a rear ABS wheel speed sensor for select BMW applications. It uses a 2-terminal female connector with male blade terminals and a 23-inch harness for a direct-style electrical connection at the wheel end.

Key Features

• ABS wheel speed sensor for rear position applications
• 2 terminals, female connector, male blade terminals
• 1 oval connector for a secure OE-style interface
• 23-inch harness length for routing at the rear wheel area
• Standard Ignition ALS3223 replacement sensor for service work

Detailed Description

Standard Ignition ALS3223 is an ABS wheel speed sensor built for rear installation on select BMW models, including the BMW Z4, BMW M340i, and BMW 330i. It monitors wheel speed data used by the anti-lock brake system and related stability functions, helping the vehicle control module read rear wheel rotation accurately. This part number, ALS3223, is listed for 2019-2023 BMW Z4 rear, 2020-2022 BMW M340i rear, 2019-2020 BMW 330i rear, 2019-2020 BMW 330i xDrive rear, and 2020 BMW M340i xDrive rear.

This part cross-references 533594 and 34526862806 for the same application.

What It Helps Address

• ABS warning light related to rear wheel speed signal loss
• Traction control or stability control faults tied to wheel speed input
• Intermittent brake system fault codes from a damaged sensor circuit
• Erratic speed data caused by worn wiring or connector issues at the wheel
• Rear sensor replacement needs on BMW Z4, BMW M340i, and BMW 330i models

Installation Notes and Tips

Verify rear-position fitment before installation and compare the connector style, terminal count, and harness length to the original sensor. Inspect the wheel hub area, tone ring, and wiring path for damage or contamination before installing the new sensor. Clear stored ABS-related fault codes after installation and confirm proper system operation during a road test.

Quality Assurance

Standard Ignition supplies replacement electrical and sensor components for service applications. ALS3223 is built to match the listed connector and terminal configuration for the confirmed BMW rear fitments shown above.