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Standard Ignition ALS2579 ABS Wheel Speed Sensor - Rear
| Brand | Standard Ignition ALS2579 |
|---|---|
| Position | Rear |
| Connector Gender | Female |
| Connector Shape | Oval |
| Harness Length - inches | 25.5" |
| Harness Length - mm | 648 |
| Mounting Location | Wheel |
| Mounting Type | Bolt Mount |
| Number of Bolt Holes | 1 |
| Terminal Gender | Male |
| Terminal Type | Pin |
| Wiring Harness Included | Yes |
| Fits | BMW · 11 vehicles |
Bolt-mount design. Installs with a single bolt hole for a secure, straightforward fit.
Wiring harness included. Comes ready with a 25.5-inch harness for easier installation.
Female connector. Uses an oval connector with two terminals and pin-style contacts.
Cross-references Beck/Arnley 084-5071, Bosch 0986594631 and Dayco 72009 for the same application. See all 13.
ABS Wheel Speed Sensor for BMW Rear Fitment
Standard Ignition ALS2579 is an ABS wheel speed sensor for rear wheel mounting on select BMW applications. It uses a bolt-mount design with a 25.5-inch wiring harness and a single oval female connector to support a direct replacement-style repair.
- Part type: ABS wheel speed sensor
- Mounting location: wheel
- Mounting type: bolt mount with 1 bolt hole
- Connector: 1 oval female connector, 2 terminals, male pin terminals
- Wiring harness included: yes
- Harness length: 25.5 in. (648 mm)
- Dust shield included: no
- Mounting hardware included: no
Fitment Details
- Fits 2015-2018 BMW X4, rear.
- Fits 2011-2017 BMW X3, rear.
Built for rear wheel speed signal input, ALS2579 helps restore accurate ABS system feedback on BMW X3 and BMW X4 models when the original sensor is worn, damaged, or sending inconsistent data. Standard Ignition ALS2579 cross-references Bosch 0986594631 for the same application.
Common Repair Symptoms
- ABS warning light illuminated
- Traction control or stability control warning messages
- Intermittent or inaccurate wheel speed readings
- ABS-related fault codes stored in the vehicle
- Loss of consistent rear wheel speed signal input
Installation Notes
Verify rear position, connector shape, and harness routing before installation. Inspect the wheel-end mounting point and connector terminals for corrosion, damage, or debris before connecting the new sensor. Confirm the sensor seats fully at the bolt mount and that the harness follows the original path to avoid strain or chafing.
Quality Assurance
Standard Ignition replacement sensors are built to match the specified connector, terminal, and mounting configuration for the listed BMW applications. ALS2579 is a direct-fit style replacement for rear ABS wheel speed sensor service on compatible BMW X3 and BMW X4 models.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | BMW | X4 | Rear | — |
| 2017 | BMW | X3 | Rear | — |
| 2017 | BMW | X4 | Rear | — |
| 2016 | BMW | X3 | Rear | — |
| 2016 | BMW | X4 | Rear | — |
| 2015 | BMW | X3 | Rear | — |
| 2015 | BMW | X4 | Rear | — |
| 2014 | BMW | X3 | Rear | — |
| 2013 | BMW | X3 | Rear | — |
| 2012 | BMW | X3 | Rear | — |
| 2011 | BMW | X3 | Rear | — |
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