Carlson 19138 Disc Brake Pad Wear Sensor - Front

Carlson Disc Brake Pad Wear Sensor 19138

Carlson 19138 is a front disc brake pad wear sensor built for BMW applications that use an electric wear indicator. It monitors pad wear and signals when the brake pads have reached the service point, helping maintain proper brake system function on BMW i3 and BMW i3s models.

Key Features

• Front disc brake pad wear sensor for BMW brake wear monitoring systems
• Electric wear sensor construction using quality materials
• Provides a wear signal when brake pads become worn
• Direct fitment for select BMW i3 and BMW i3s front applications
• Part number 19138 for catalog and service reference

Detailed Description

This Carlson disc brake pad wear sensor is designed for front axle use on select BMW electric vehicles. Compatible With 2014-2020 BMW i3, front, and 2018-2020 BMW i3s, front, with 2021 BMW i3s, front also listed in fitment. The sensor is part of the brake warning system that alerts the driver when pad material has worn down and service is due. Carlson 19138 is a practical replacement when the original wear sensor is damaged, frayed, or no longer reporting correctly.

Carlson’s Disc Brake Pad Wear Sensor line focuses on proper function and material quality for electric wear sensor applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Brake pad wear warning light staying on
• Frayed or damaged pad wear sensor wiring
• Incorrect brake pad wear signal
• Service reminder after brake pad replacement
• Loss of wear monitoring on the front brake system

Installation Notes and Tips

Install on the front brake position only. Verify the vehicle’s brake wear sensor routing and connector style before replacement. After installation, confirm the warning indicator clears and the brake wear system functions normally. Use the vehicle’s service procedure for any required inspection or reset steps.

Quality Assurance

Carlson manufactures this electric wear sensor with quality materials for reliable brake system operation and proper function.