HomeBrake > SensorsStandard Ignition PWS105 Disc Brake Pad Wear Sensor - Rear
Part #: PWS105

Standard Ignition PWS105 Disc Brake Pad Wear Sensor - Rear

Rear
31 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$19.55Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 328i, 128i, 135i, 323i, 335d, 335i, M3, 328xi, 335xi, 325i, 325xi, 330i, and 330xi
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Disc Brake Pad Wear Sensor for BMW Models

The Standard Ignition PWS105 disc brake pad wear sensor is designed specifically for select BMW vehicles, including the 128i, 135i, 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi, 335d, 335i, 335xi, and M3 models. This sensor helps monitor brake pad wear to ensure timely maintenance and safe braking performance.

  • Compatible with multiple BMW models such as 328i, 330xi, and M3
  • Part number PWS105 for precise identification and fitment
  • Disc brake pad wear sensor designed to alert when brake pads need replacement
  • Engineered to maintain accurate brake system monitoring
  • Durable construction for consistent performance under various driving conditions

Product Details and Compatibility

The Standard Ignition PWS105 sensor is engineered to work seamlessly with BMW vehicles listed in its fitment range. It detects the wear level of disc brake pads and sends signals to the vehicle’s onboard system, helping drivers maintain optimal brake function. This sensor is essential for vehicles equipped with brake pad wear monitoring systems, ensuring that brake pads are replaced before they compromise safety or performance.

Common Applications and Issues Addressed

  • Alerts for worn brake pads to prevent brake failure
  • Helps avoid uneven brake pad wear and potential rotor damage
  • Prevents false brake warning lights caused by faulty sensors
  • Maintains accurate brake system diagnostics for BMW 335i and 330i models
  • Supports timely brake maintenance to enhance vehicle safety

Installation Notes and Tips

Installation of the PWS105 sensor should be performed by a qualified technician familiar with BMW brake systems. Ensure the sensor is properly connected to the brake pad assembly and the vehicle’s electrical system. Verify sensor functionality after installation by checking for warning lights or diagnostic codes. Using the correct part number PWS105 guarantees compatibility and reduces installation issues.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The PWS105 disc brake pad wear sensor undergoes rigorous quality control to ensure reliable performance. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s durability and function.

BrandStandard Ignition
Part NumberPWS105
Connector GenderFemale
Connector ShapeRound
ContentsSensor
FunctionsBrake Pad Wear Sensor
Mounting LocationBrake Caliper
Terminal GenderMale
Terminal TypePin

This part fits 31 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2011BMW328iRear
2010BMW328iRear
2009BMW128iRear
2009BMW135iRear
2009BMW323iRear
2009BMW328iRear
2009BMW335dRear
2009BMW335iRear
2009BMWM3Rear
2008BMW128iRear
2008BMW135iRear
2008BMW323iRear
2008BMW328iRear
2008BMW328xiSedanRear
2008BMW328xiWagonRear
2008BMW328xiCoupeRear
2008BMW335iRear
2008BMW335xiRear
2008BMWM3Rear
2007BMW323iRear
2007BMW328iRear
2007BMW328xiCoupeRear
2007BMW328xiSedanRear
2007BMW328xiWagonRear
2007BMW335iRear
2007BMW335xiRear
2006BMW323iRear
2006BMW325iRear
2006BMW325xiRear
2006BMW330iRear
2006BMW330xiRear

* 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:

084-16022BWS0161343567622535S844871-371676260EWS-43SU13602SW-0434V20-72-5124WS305

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