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Raybestos EWS139 Disc Brake Pad Wear Sensor - RearOE Quality 60-Day Returns
Part #: EWS139

Raybestos EWS139 Disc Brake Pad Wear Sensor - Rear

R-Line, Rear
101 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
R-Line, Rear
Fitment: BMW, 640i, 640i Gran Coupe, 640i xDrive, 640i xDrive Gran Coupe, 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe, Alpina B6 xDrive Gran Coupe, 528i, 528i xDrive, 535d, 535d xDrive, 535i, 535i xDrive, 550i, 550i xDrive, ActiveHybrid 5, 550i GT, and 550i GT xDrive
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Not what you need? See all Disc Brake Pad Wear Sensor options

Reliable Disc Brake Pad Wear Sensor for BMW Models

The Raybestos R-Line Disc Brake Pad Wear Sensor (Part Number EWS139) is designed to provide accurate and timely alerts for brake pad wear on select BMW vehicles. Engineered to maintain optimal braking performance, this sensor helps ensure your BMW's braking system functions safely and efficiently.

  • Wiring harness length options: 36.024 inches and 915 mm for precise fitment
  • Includes wiring harness and six grommets for secure installation
  • Connector quantity: 1 female connector with 2 male terminals
  • Terminal type: Pin terminals for reliable electrical connection
  • Compatible with multiple BMW models including 528i, 535i, 550i, 640i, 650i, and ActiveHybrid 5

Detailed Features and Specifications

The EWS139 sensor features a wiring harness length of approximately 36 inches (915 mm) to accommodate the specific routing requirements of BMW brake systems. It includes six grommets to protect wiring from abrasion and ensure a secure fit. The sensor uses pin-type terminals with a female connector and two male terminals, providing a stable and corrosion-resistant electrical connection. This disc brake pad wear sensor is designed specifically for BMW models such as the 528i, 535d, 550i, 640i Gran Coupe, 650i xDrive Gran Coupe, and ActiveHybrid 5, ensuring compatibility and reliable performance.

About the Raybestos R-Line Product Line

The R-Line by Raybestos represents a focused range of brake components engineered for precision and durability. This product line emphasizes quality materials and design tailored to meet the demands of modern vehicles. The EWS139 sensor is part of this line, offering a dependable solution for monitoring brake pad wear on BMW vehicles, aligning with the R-Line’s commitment to consistent performance and fitment accuracy.

Common Applications and Problem Solving

  • Alerts for worn brake pads to prevent brake system damage
  • Prevents unexpected brake failure due to unnoticed pad wear
  • Maintains proper brake system diagnostics for BMW vehicles
  • Helps avoid costly repairs by timely wear detection
  • Ensures compliance with vehicle safety monitoring systems

Installation Notes and Tips

When installing the Raybestos R-Line EWS139 sensor, ensure the wiring harness is routed securely using the included grommets to prevent chafing or damage. Verify the connector orientation matches the vehicle’s brake system harness, noting the female connector and male terminal configuration. Proper installation will maintain sensor accuracy and prevent false wear alerts. It is recommended to inspect the sensor and wiring during brake pad replacement intervals.

Quality Assurance and Warranty

Raybestos R-Line brake components, including the EWS139 disc brake pad wear sensor, are manufactured to meet OEM standards for fit and function. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Using genuine Raybestos parts helps ensure reliable brake system monitoring and vehicle safety.

BrandRaybestos
Part NumberEWS139
PositionR-Line, Rear
Connector GenderFemale
Connector Quantity1
Grommet Count6
Grommets IncludedYes
Overall Length914.000
Terminal GenderMale
Terminal Quantity2
Terminal TypePin
Wiring Harness IncludedYes
Wiring Harness Length36.024
Wiring Harness Length915.000

This part fits 101 vehicles. Search below:

YearMakeModelBody Type# DoorsPositionNotes
2019BMW640i Gran CoupeRearRaybestos R-Line
2019BMW640i xDrive Gran CoupeRearRaybestos R-Line
2019BMW650i Gran CoupeRearRaybestos R-Line
2019BMW650i xDrive Gran CoupeRearRaybestos R-Line
2018BMW640iRearR-Line
2018BMW640i Gran CoupeRearR-Line
2018BMW640i xDriveRearR-Line
2018BMW640i xDrive Gran CoupeRearR-Line
2018BMW650iRearR-Line
2018BMW650i Gran CoupeRearR-Line
2018BMW650i xDriveRearR-Line
2018BMW650i xDrive Gran CoupeRearR-Line
2017BMW640iRearR-Line
2017BMW640i Gran CoupeRearR-Line
2017BMW640i xDriveRearR-Line
2017BMW640i xDrive Gran CoupeRearR-Line
2017BMW650iRearR-Line
2017BMW650i Gran CoupeRearR-Line
2017BMW650i xDriveRearR-Line
2017BMW650i xDrive Gran CoupeRearR-Line
2016BMW528iRearR-Line
2016BMW528i xDriveRearR-Line
2016BMW535dRearR-Line
2016BMW535d xDriveRearR-Line
2016BMW535iRearR-Line
2016BMW535i xDriveRearR-Line
2016BMW550iRearR-Line
2016BMW550i xDriveRearR-Line
2016BMW640iRearR-Line
2016BMW640i Gran CoupeRearR-Line
2016BMW640i xDriveRearR-Line
2016BMW640i xDrive Gran CoupeRearR-Line
2016BMW650iRearR-Line
2016BMW650i Gran CoupeRearR-Line
2016BMW650i xDriveRearR-Line
2016BMW650i xDrive Gran CoupeRearR-Line
2016BMWActiveHybrid 5RearR-Line
2015BMW528iRearR-Line
2015BMW528i xDriveRearR-Line
2015BMW535dRearR-Line
2015BMW535d xDriveRearR-Line
2015BMW535iRearR-Line
2015BMW535i xDriveRearR-Line
2015BMW550iRearR-Line
2015BMW550i xDriveRearR-Line
2015BMW640iRearR-Line
2015BMW640i Gran CoupeRearR-Line
2015BMW640i xDriveRearR-Line
2015BMW640i xDrive Gran CoupeRearR-Line
2015BMW650iRearR-Line
2015BMW650i Gran CoupeRearR-Line
2015BMW650i xDriveRearR-Line
2015BMW650i xDrive Gran CoupeRearR-Line
2015BMWActiveHybrid 5RearR-Line
2014BMW528iRearR-Line
2014BMW528i xDriveRearR-Line
2014BMW535dRearR-Line
2014BMW535d xDriveRearR-Line
2014BMW535iRearR-Line
2014BMW535i xDriveRearR-Line
2014BMW550iRearR-Line
2014BMW550i xDriveRearR-Line
2014BMW640iRearR-Line
2014BMW640i Gran CoupeRearR-Line
2014BMW640i xDriveRearR-Line
2014BMW640i xDrive Gran CoupeRearR-Line
2014BMW650iRearR-Line
2014BMW650i Gran CoupeRearR-Line
2014BMW650i xDriveRearR-Line
2014BMW650i xDrive Gran CoupeRearR-Line
2014BMWActiveHybrid 5RearR-Line
2013BMW528iRearR-Line
2013BMW528i xDriveRearR-Line
2013BMW535iSedan4 DoorRearR-Line
2013BMW535i xDriveSedanRearR-Line
2013BMW550iRearR-Line
2013BMW550i GTRearR-Line
2013BMW550i GT xDriveRearR-Line
2013BMW550i xDriveRearR-Line
2013BMW640iRearR-Line
2013BMW640i Gran CoupeRearR-Line
2013BMW650iRearR-Line
2013BMW650i Gran CoupeRearR-Line
2013BMW650i xDriveRearR-Line
2013BMW650i xDrive Gran CoupeRearR-Line
2013BMWActiveHybrid 5RearR-Line
2012BMW528iRearR-Line
2012BMW528i xDriveRearR-Line
2012BMW535iSedan4 DoorRearR-Line
2012BMW535i xDriveSedanRearR-Line
2012BMW550iRearR-Line
2012BMW550i xDriveRearR-Line
2012BMW640iRearR-Line
2012BMW650iRearR-Line
2012BMW650i xDriveRearR-Line
2012BMWActiveHybrid 5RearR-Line
2011BMW528iRearNorth American market vehicles.; R-Line
2011BMW535iSedan4 DoorRearR-Line
2011BMW535i xDriveSedanRearR-Line
2011BMW550iRearR-Line
2011BMW550i xDriveRearR-Line

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

116.3406134356791962

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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