HomeStandard Ignition PWS107 Disc Brake Pad Wear Sensor - Front
Part #: PWS107

Standard Ignition PWS107 Disc Brake Pad Wear Sensor - Front

Front
24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 325i, 318i, 318is, 325is, 325iX, 325, and 325e
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Reliable Disc Brake Pad Wear Sensor for BMW Models

The Standard Ignition PWS107 disc brake pad wear sensor is designed to provide accurate and timely alerts for brake pad wear on select BMW vehicles. Engineered for compatibility with BMW 318i, 318is, 325e, 325i, 325is, and 325iX models, this sensor helps maintain optimal braking performance and safety.

  • Connector Gender: Female and male
  • Connector Quantity: 2
  • Connector Shape: Oval
  • Contents: Sensor only
  • Function: Brake pad wear sensor
  • Harness Length: 7.5 inches (190.5 mm)
  • Mounting Location: Brake caliper
  • Terminal Gender: Female and male
  • Terminal Quantity: 1 female, 1 male
  • Terminal Type: Pin and cylindrical

Product Details and Specifications

The PWS107 brake pad wear sensor from Standard Ignition is specifically designed to monitor brake pad thickness and alert drivers when replacement is necessary. Featuring a 7.5-inch harness length, the sensor is equipped with oval-shaped connectors in both female and male configurations, ensuring secure and reliable electrical connections. The sensor mounts directly to the brake caliper, providing precise wear detection for the brake pads on compatible BMW 3 Series models including the 318i, 318is, 325e, 325i, 325is, and 325iX.

Compatible BMW Models and Applications

This disc brake pad wear sensor is compatible with the following BMW vehicles:

  • BMW 318i
  • BMW 318is
  • BMW 325e
  • BMW 325i
  • BMW 325is
  • BMW 325iX

Using the Standard Ignition PWS107 sensor ensures accurate brake pad wear monitoring tailored to these specific models, helping maintain braking system integrity and vehicle safety.

Common Issues Addressed by the PWS107 Sensor

  • Prevents unexpected brake pad failure by providing early wear alerts
  • Helps avoid costly rotor damage due to worn brake pads
  • Ensures compliance with vehicle safety standards for brake system monitoring
  • Reduces risk of brake system warning light malfunctions
  • Maintains consistent braking performance and driver confidence

Installation Notes and Tips

Installation of the Standard Ignition PWS107 sensor requires mounting the sensor securely to the brake caliper and connecting the oval-shaped female and male connectors. The 7.5-inch harness length provides sufficient reach for proper routing without strain. Ensure terminals (pin and cylindrical types) are properly aligned and connected to avoid signal interruptions. It is recommended to inspect the sensor and connectors for damage before installation and to follow vehicle-specific service manual instructions for brake system components.

Quality Assurance and Warranty

Standard Ignition manufactures the PWS107 brake pad wear sensor to meet OEM specifications for fit, form, and function. The sensor undergoes quality control testing to ensure reliable performance in demanding automotive environments. While specific warranty details may vary, Standard Ignition products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

BrandStandard Ignition
Part NumberPWS107
Connector GenderFemale; Male
Connector ShapeOval
ContentsSensor
FunctionsBrake Pad Wear Sensor
Mounting LocationBrake Caliper
Terminal GenderFemale; Male
Terminal TypePin + Cylindrical

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
1993BMW325iFront
1992BMW325iFront
1991BMW318iFront
1991BMW318isFront
1991BMW325iFront
1991BMW325isFront
1991BMW325iXFront
1990BMW325iFront
1990BMW325isFront
1990BMW325iXFront
1989BMW325iFront
1989BMW325isFront
1989BMW325iXFront
1988BMW325iFront
1988BMW325isFront
1988BMW325iXFront
1987BMW325eFront
1987BMW325iFront
1987BMW325isFront
1986BMW325eFront
1985BMW318iFront
1985BMW325eFront
1984BMW318iFront
1984BMW325eFront

* 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:

084-10882BWS0120343511539645S845471-372276325EWS-65EWS107SU9916SW0403V20-72-5113WS307

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