Global Parts

Global Parts 1815850 Disc Brake Pad Wear Sensor - Rear

Brand Global Parts 1815850
Position Rear
Fits BMW and Toyota · 9 vehicles

Direct replacement. Brake wear sensor for accurate, reliable pad-wear detection.

Alerts you when brake pads are thinning, helping prevent brake system failures.

Cross-references 2BWS0456, 34356880543 and ES115881 for the same application. See all 3.

$32.25Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Disc Brake Pad Wear Sensors are typically replaced in pairs, axle by axle.
Order total $32.25
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Brake Wear Sensor for BMW X4 and GR Supra

Global Parts 1815850 is a direct replacement disc brake pad wear sensor for select BMW X4 and Toyota GR Supra applications. It monitors brake pad thickness and signals when pad wear reaches the service point, helping you stay ahead of brake maintenance.

Use Global Parts 1815850 for a precise replacement on 2023-2025 BMW X4, 2019-2022 BMW X4 rear, and 2020-2021 Toyota GR Supra rear applications.

Key Features

  • Direct replacement disc brake pad wear sensor
  • Provides brake pad wear detection for service alerts
  • Supports accurate monitoring of thinning brake pads
  • Built for select BMW X4 and Toyota GR Supra fitments
  • Global Parts part number 1815850

How It Works

This brake wear sensor is designed to detect when brake pads have worn down to the point that service is needed. By providing a wear signal at the proper time, it helps maintain brake system awareness and supports timely pad replacement on the BMW X4 and Toyota GR Supra.

This part cross-references OE-style numbers 34356880543 and ES115881 for the same application.

Common Issues It May Address

  • Brake pad wear warning light stays on after pad service
  • Damaged or worn brake pad wear sensor wiring
  • Inaccurate brake pad wear detection
  • Need for a replacement sensor during brake pad maintenance
  • Service alerts related to rear brake pad wear on select vehicles

Installation Notes

Verify vehicle year, model, and brake position before ordering. Install on the listed rear applications for 2019-2022 BMW X4 and 2020-2021 Toyota GR Supra, and on the listed 2023-2025 BMW X4 application. Inspect the sensor routing and connector condition during brake service, and confirm the warning system resets properly after installation.

Quality Assurance

Global Parts supplies this direct replacement sensor as a fitment-specific brake service component for the listed vehicles. Part number 1815850 is engineered for accurate wear detection and reliable replacement use.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2025BMWX43.0LL6N/A
2024BMWX42.0LL4N/A
2023BMWX43.0LL6N/A
2022BMWX42.0LL4Rear
2021BMWX43.0LL6Rear
2021ToyotaGR Supra2.0LL4Rear
2020BMWX4M Competition3.0LL6Rear
2020ToyotaGR Supra3.0LL6Rear
2019BMWX43.0LL6Rear
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2BWS045634356880543ES115881