PowerStop SW-1454 Disc Brake Pad Wear Sensor - Rear

Rear Brake Wear Sensor for BMW M2, M3, and M4

PowerStop SW-1454 is a rear electronic brake wear sensor built for BMW performance applications that use an OEM-style pad monitoring system. It is designed to match original form, fit, and function while supporting reliable brake wear detection on the rear axle.

For drivers servicing a BMW M2, BMW M3, or BMW M4, this rear brake pad wear sensor helps restore proper wear monitoring after brake pad replacement. The PowerStop brake wear sensor line focuses on easy installation, temperature resistance, and consistent electrode conductivity for long-term operation.

Key Features

• Rear electronic brake wear sensor for disc brake pad monitoring
• PowerStop part number SW-1454
• Blue female connector with oval shape
• 2-wire design with pin terminals
• Includes grommets for secure routing
• Built to meet or exceed OEM form, fit, and function requirements
• Engineered for high-temperature durability and stable conductivity

Detailed Description

PowerStop SW-1454 is a rear disc brake pad wear sensor for BMW applications that rely on electronic brake wear monitoring. It is a direct-fit style replacement for the rear sensor location on 2023-2026 BMW M2, 2021-2026 BMW M3, and 2021-2026 BMW M4 models. This part number is also referenced as SW-1454 for easy catalog matching during brake service.

PowerStop’s brake wear sensor line is developed to mirror the original sensor’s form, fit, and function, helping maintain accurate brake warning system operation after pad service. The sensor uses a female oval connector, pin terminals, and a 2-wire layout with grommets included for routing and retention. A cross-reference application includes Dynamic Friction Company 341-31092 for the same use case.

What It Helps Address

• Brake wear warning light remaining on after pad replacement
• Damaged or worn rear brake pad sensor wiring
• Loss of brake wear monitoring on BMW rear brakes
• Incorrect sensor fitment during brake service
• Intermittent brake pad wear signal issues

Installation Notes and Tips

Replace the rear sensor when servicing the brake pads if the original sensor is worn, damaged, or triggered. Confirm connector shape, terminal style, and rear position before installation. Route the sensor and grommets carefully to avoid contact with moving suspension or brake components. This part is listed for rear fitment on 2023-2026 BMW M2, 2021-2026 BMW M3, and 2021-2026 BMW M4.

Quality Assurance

PowerStop designs this brake wear sensor to meet or exceed OEM requirements and to withstand extreme temperatures for dependable electrode conductivity. It is intended to provide consistent brake wear monitoring performance on BMW M2, BMW M3, and BMW M4 rear applications.