Holstein 2BWS0149 Disc Brake Pad Wear Sensor - Front or Front Left

Holstein 2BWS0149 Disc Brake Pad Wear Sensor

Holstein Parts 2BWS0149 is a disc brake pad wear sensor built for BMW applications that use a front or rear pad wear monitoring circuit. It uses a female round connector with 2 terminals and pin-style terminals for a direct electrical connection at the brake pad wear indicator harness.

Compatible With BMW 525i, 528i, 530i, 535i, 545i, 550i, 645Ci, 650Ci, 650i, M5, and M6 applications across the listed front-left, front, and rear positions. This part number, 2BWS0149, is also referenced for several OE-style replacement applications in the BMW brake wear sensor category.

Key Features

• Disc brake pad wear sensor for brake warning system service
• Female connector with round shape for the specified harness connection
• 2-terminal pin design for electrical continuity at the pad wear circuit
• Fits front, front left, and rear positions as listed by application
• Holstein Parts product line for brake sensor replacement needs

Application Details

Holstein Parts focuses on replacement brake sensors and related electrical components, and 2BWS0149 is listed for BMW 2-series-era and E60/E63/E64 platform vehicles in the fitment data provided. Use this sensor when servicing brake pad wear warning systems on BMW 525i, 530i, 535i, 550i, 645Ci, 650Ci, 650i, M5, and M6 models with the matching connector and terminal configuration. This part cross-references Beck/Arnley 084-1533 and Standard Ignition PWS112 for the same application.

What It Helps Address

• Brake pad wear warning light staying on after pad service
• Damaged or broken pad wear sensor wiring at the wheel end
• Fault codes related to the brake wear monitoring circuit
• Incorrect sensor connector style during brake maintenance
• Intermittent brake pad wear indicator readings

Installation Notes and Tips

Verify the vehicle position, connector shape, terminal count, and sensor routing before installation. Match the sensor to the exact BMW application listed for front, front left, or rear use, and inspect the harness and pad carrier for damage before connecting the new sensor. Confirm proper seating of the connector and secure routing away from moving suspension and brake components.

Quality Assurance

Holstein Parts brake sensors are cataloged for direct-fit replacement use on the listed BMW applications and are identified by the 2BWS0149 part number for accurate ordering and service matching.