Beck Arnley 084-1089 Disc Brake Pad Wear Sensor - Front or Rear

Beck Arnley Disc Brake Pad Wear Sensor 084-1089

Beck Arnley 084-1089 is a disc brake pad wear sensor for select BMW applications. It is built to match foreign nameplate OE specifications for form, fit, and function, giving you a direct replacement for the original wear indicator on supported front and rear brake setups.

Fits 1982-1995 BMW models listed below, including BMW 525i, 530i, 540i, 535i, 318i, 318is, 325i, 325iX, M3, 325is, 635CSi, 528e, 535is, M5, 325e, 325es, 524td, and 533i applications where equipped.

Key Features

• Disc brake pad wear sensor for BMW brake service
• OE-style form, fit, and function for foreign nameplate applications
• Supports front and rear positions, depending on vehicle application
• Beck Arnley part number 084-1089 for catalog and service matching
• Fits select BMW 525i, 530i, and 540i models from 1995 with production-date notes

Application Details

This Beck Arnley brake wear sensor is used to monitor pad wear and trigger the dashboard warning system when brake lining thickness reaches the service threshold. It is a direct-fit replacement for BMW brake systems that use a pad wear indicator at the front or rear axle. This part number 084-1089 is listed for a wide range of BMW 3 Series, 5 Series, 6 Series, and M models, including BMW 325i rear, BMW M3 front and rear, and BMW 528e front 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 after pad service
• Broken or damaged pad wear sensor wiring
• Incorrect brake wear indicator readings
• Loss of brake pad monitoring on supported BMW models
• Service replacement for worn front or rear wear sensors

Installation Notes and Tips

Verify the axle position and production date before ordering, especially on 1995 BMW 525i, 530i, and 540i applications with date-specific fitment notes. Inspect the sensor routing and connector condition during brake service, and confirm the replacement matches the original sensor location on the vehicle. Use the vehicle’s brake warning system reset procedure after installation if required by the application.

Quality Assurance

Beck Arnley sources parts to meet foreign nameplate OE specifications, and its product specialists work with global sourcing partners to help ensure the correct fit for the listed BMW applications.