Delphi SS21166 ABS Wheel Speed Sensor - Front

Delphi ABS Wheel Speed Sensor for BMW Front Fitment

The Delphi SS21166 is a front ABS wheel speed sensor built for select BMW applications from 2013-2021. It delivers OE-standard calibration and validated sensor performance to support accurate wheel speed readings for the braking system.

Key Features

• ABS wheel speed sensor for the front position
• Standard replacement grade
• Black connector with oval shape
• 2-terminal male connector design
• Wiring harness included
• Package includes ABS wheel speed sensor and instruction sheet
• Delphi SS21166 replacement sensor for select BMW xDrive models

Product Details

Delphi designs this ABS wheel speed sensor using OE development and product validation methods, then tests and calibrates it to OE standards for accurate signal output. That matters for BMW braking and stability systems that rely on consistent wheel speed data. The SS21166 is a front-position sensor with a male connector, pin terminals, and a black oval connector housing. This part cross-references Standard Ignition ALS3105 for the same application.

Compatible With select BMW front applications, including Fits 2017-2021 BMW 230i xDrive, Front; Fits 2017-2021 BMW M240i xDrive, Front; Fits 2017-2020 BMW 430i xDrive, Front; Fits 2017-2020 BMW 430i xDrive Gran Coupe, Front; Fits 2017-2020 BMW 440i xDrive, Front; Fits 2017-2020 BMW 440i xDrive Gran Coupe, Front; Fits 2017-2019 BMW 330i GT xDrive, Front; Fits 2017-2019 BMW 330i xDrive, Front; Fits 2017-2019 BMW 340i GT xDrive, Front; Fits 2013-2018 BMW 320i xDrive, Front; Fits 2014-2018 BMW 328d xDrive, Front; Fits 2016-2018 BMW 340i xDrive, Front; Fits 2015-2016 BMW 228i xDrive, Front; Fits 2014-2016 BMW 328i GT xDrive, Front; Fits 2013-2016 BMW 328i xDrive, Front; Fits 2014-2016 BMW 335i GT xDrive, Front; Fits 2014-2016 BMW 428i xDrive, Front; Fits 2015-2016 BMW 428i xDrive Gran Coupe, Front; Fits 2014-2016 BMW 435i xDrive, Front; Fits 2015-2016 BMW 435i xDrive Gran Coupe, Front; Fits 2015-2016 BMW M235i xDrive, Front; and Fits 2013-2015 BMW 335i xDrive, Front.

Common Issues This Sensor Can Address

• ABS warning light triggered by a failed front wheel speed sensor
• Erratic or missing wheel speed signal at the front axle
• Traction control or stability control faults tied to sensor output
• Brake system fault codes related to wheel speed input
• Intermittent braking system warnings caused by sensor wear or damage

Installation Notes

Verify the connector style, terminal count, and front position before installation. Inspect the harness routing and mounting points for damage, corrosion, or debris that could affect the sensor signal. The package includes the sensor and instruction sheet; mounting hardware is not included.

Quality Assurance

Delphi backs this sensor with OE-focused development and validation practices, and each unit is tested and calibrated to OE standards to help maintain accurate readings and reduce comebacks. The SS21166 is a standard replacement part for BMW front ABS applications where precise wheel speed data is required.