Carlson 19015 Disc Brake Pad Wear Sensor - Front or Rear

Carlson Disc Brake Pad Wear Sensor 19015

Carlson 19015 is a disc brake pad wear sensor for BMW brake systems that use an electric wear indicator. It monitors pad condition and alerts the driver when the brake pads have worn to the point that service is needed.

Key Features

• Electric wear sensor for disc brake pad monitoring
• Built with quality materials for reliable brake system function
• Direct fit for select BMW rear and front applications
• Fits BMW 535i xDrive, 535xi, 525i, 540i, 850Ci, 850CSi, 740i, 740iL, 750iL, 525iT, 535i, M5, 735i, 735iL, and 850i applications listed below
• Part number 19015 for catalog and service reference

Detailed Description

This Carlson Disc Brake Pad Wear Sensor is part of the Carlson wear sensor line, which focuses on proper brake pad monitoring and dependable electrical function. When the brake pads wear down, the sensor frays and triggers the warning system so the driver knows service is due. It is a practical replacement for BMW brake wear indicator systems on rear and front positions across multiple model years, including BMW 535i xDrive, BMW 740i, and BMW 750iL applications.

This part cross-references D396 and D394 for the same application.

What It Helps Address

• Brake pad wear warning light staying on after pad service
• Frayed or damaged brake pad wear sensor wiring
• Loss of brake pad wear indicator function
• Incorrect wear sensor readings on BMW brake systems
• Service replacement for worn rear or front pad wear sensors

Installation Notes and Tips

• Verify the vehicle position before ordering; this part is listed for rear and front applications depending on model.
• Some fitments note a required Disc Brake Caliper Pin Boot Kit for BMW 535i xDrive and 535xi rear applications.
• Confirm the existing sensor routing and connector style against the removed part before installation.
• For BMW 850Ci, 850CSi, and 850i applications, match the listed front or rear position exactly.

Quality Assurance

Carlson manufactures these electric wear sensors with quality materials to support proper brake pad wear monitoring and consistent operation. Part number 19015 is cataloged for BMW brake sensor applications across the listed model years.