Brembo A00434 Disc Brake Pad Wear Sensor - Rear

Brembo Rear Brake Pad Wear Sensor

The Brembo A00434 brake pad wear sensor helps monitor rear brake pad thickness and alerts the driver when the pads reach minimal remaining life. Built to OE specifications, it is a direct replacement for the original sensor used on select BMW applications, including BMW X5 and BMW X6 rear brake systems.

Brembo’s Premium OE Equivalent Wear Sensor line is focused on accurate wear monitoring and OE-style fitment. For service work on a BMW X5 or BMW X6, replacing the sensor during brake pad service helps restore proper pad-wear warning function. This part number is Brembo A00434.

Key Features

• Electronic disc brake pad wear sensor for rear brake applications
• Monitors brake pad thickness and triggers a warning at minimal pad life
• Made to OE specifications for original-style fitment and function
• Designed for select BMW X5 and BMW X6 rear positions
• Part number A00434 for easy identification and ordering

Detailed Description

This Brembo brake pad wear sensor is built for drivers who need a direct OE-equivalent replacement for the rear brake warning system. It monitors pad wear electronically and sends a signal when the brake pads are near the end of service life, helping maintain the vehicle’s factory warning function. Fits 2011-2018 BMW X5, rear and fits 2011-2019 BMW X6, rear. This part cross-references Monroe Shocks & Struts 37158 for the same application.

Use Brembo A00434 when servicing rear brakes on BMW X5 and BMW X6 models that rely on an electronic pad wear indicator. The sensor is intended to match the original equipment design so the warning system continues to operate as expected after brake pad replacement.

What It Helps Address

• Brake pad wear warning light staying on after pad service
• Failed or damaged rear brake pad wear sensor
• Loss of brake pad thickness monitoring
• Need for OE-style replacement during brake maintenance
• Incorrect wear sensor fitment on BMW rear brake service

Installation Notes and Tips

Replace the wear sensor during brake pad service, especially if the original sensor has been triggered or damaged. Confirm rear-position fitment before installation and route the sensor to match the factory path so it seats correctly in the brake assembly. Verify the warning system after installation.

Quality Assurance

Brembo manufactures this sensor to OE specifications for factory-style performance on the listed BMW applications. The Premium OE Equivalent Wear Sensor line is intended to deliver original-equipment fit and function for brake service work.