Holstein 2BWS0154 Disc Brake Pad Wear Sensor - Rear

Holstein Rear Brake Pad Wear Sensor

Holstein Parts 2BWS0154 is a disc brake pad wear sensor for rear brake applications on select BMW X3 models. It uses a female round connector with two terminals and pin-style connection points for a direct-fit replacement in the brake warning circuit.

Compatible with 2004-2010 BMW X3 rear applications and the 2011 BMW X3 rear, including X3 3.0si with MfrBody Code E83N and Engine Designation N52N.

Key Features

• Disc brake pad wear sensor for rear brake systems
• Holstein Parts 2BWS0154 replacement sensor
• Female connector with round connector shape
• 2-terminal, pin-type electrical connection
• Built for select BMW X3 rear fitment

Fitment and Application

This part is used on BMW X3 rear brake setups where the pad wear monitoring circuit triggers a dashboard warning when pad material reaches the service limit. It fits 2004-2010 BMW X3, rear, and 2011 BMW X3, rear.

This part cross-references Raybestos Brakes WK534 and Standard Ignition PWS127 for the same application.

What This Part Helps Address

• Brake pad wear warning light on the instrument cluster
• Damaged or broken rear pad wear sensor wiring
• Fault codes related to the brake wear monitoring circuit
• Intermittent wear sensor signal from connector or terminal issues
• Service replacement after rear brake pad wear inspection

Installation Notes

Verify rear axle fitment before installation and match the connector style, terminal count, and sensor routing to the original part. Inspect the brake pad wear circuit, connector condition, and mounting points during brake service to confirm proper operation after replacement.

Quality Assurance

Holstein Parts supplies this sensor as a direct replacement brake component for select BMW X3 rear applications. Confirm part number 2BWS0154 against the vehicle’s year, model, and rear position before ordering.