Holstein 2BWS0276 Disc Brake Pad Wear Sensor - Rear

Rear Brake Pad Wear Sensor for BMW

Holstein Parts 2BWS0276 is a rear disc brake pad wear sensor for BMW applications that use a 2-terminal, female oval connector with pin terminals. It monitors brake pad wear and helps trigger the vehicle’s warning system when pad material reaches the service limit.

Built for rear brake service on a wide range of BMW 1 Series, 2 Series, 3 Series, 4 Series, M models, and Gran Coupe applications, this sensor supports direct replacement on many vehicles from 2011 through 2021. Holstein Parts 2BWS0276 is a practical choice when replacing a worn or damaged brake wear indicator during brake pad service.

• Disc brake pad wear sensor for rear brake applications
• Connector shape: oval
• Connector quantity: 1
• Connector gender: female
• Terminal type: pin
• Terminal quantity: 2
• Fits BMW rear brake systems across 2011-2021 model years

Product Details and Fitment

This Holstein Parts brake wear sensor is used to restore brake pad wear monitoring on BMW rear brake systems. It fits many BMW 220i, 230i, 230i xDrive, 320i, 328i, 430i, 440i, M2, M3, and M4 applications, including select M Sport brake and carbon ceramic brake configurations listed in the fitment data. For BMW owners searching for a rear brake pad wear sensor for 2014-2021 BMW 220i, rear or a Holstein Parts 2BWS0276 replacement for BMW 430i Gran Coupe, rear, this part matches the documented applications.

This part cross-references Standard Ignition PWS291 and Raybestos Brakes EWS161 for the same application.

What It Helps Address

• Brake pad wear warning light stays on after pad service
• Damaged or broken rear brake wear sensor wiring
• Incorrect wear signal from a failed sensor
• Need for a direct replacement during rear brake pad maintenance
• Service reset issues caused by a worn sensor circuit

Installation Notes and Tips

Install the sensor at the rear brake position only, following the vehicle’s original routing and connector style. Verify the connector shape, terminal count, and brake package before installation, especially on BMW models with M Sport brake or M Carbon Ceramic Brake notes. Replace the sensor when servicing brake pads if the original indicator is worn, brittle, or damaged.

Quality Assurance

Holstein Parts 2BWS0276 is cataloged as a direct-fit brake wear sensor for the listed BMW rear applications and is supported by documented interchange references for application matching.