Holstein 2BWS0117 Disc Brake Pad Wear Sensor - Front

Holstein Front Brake Pad Wear Sensor

The Holstein Parts 2BWS0117 disc brake pad wear sensor is built for front brake applications on select BMW models from the late 1980s through the mid-1990s. It provides a direct-fit replacement for vehicles that use a wired pad wear warning circuit, helping restore brake wear monitoring after sensor damage or service.

Holstein Parts focuses on replacement electrical and sensor components for import applications, and this brake wear sensor follows that approach with application-specific connector and harness details for a cleaner service fit.

Key Features

• Disc brake pad wear sensor for front brake applications
• Holstein Parts 2BWS0117 replacement part number
• 6.75-inch wiring harness length with 8.75-inch overall length
• Black round female connector with bullet terminals
• 2-wire design with wiring harness included
• Direct replacement for select BMW brake wear indicator systems

Detailed Description

The Holstein 2BWS0117 is a front disc brake pad wear sensor designed for BMW vehicles that use an electrical pad wear warning setup. It features a black round female connector, bullet-style terminals, and a 2-wire harness layout to match the original sensor connection style. With a 6.75-inch wiring harness length and 8.75-inch overall length, this sensor is intended to restore proper signal transfer between the brake pad wear circuit and the vehicle warning system.

This part cross-references Beck/Arnley 084-1341 and Standard Ignition PWS140 for the same application. It is a practical replacement choice for BMW 525i, 530i, 540i, 740i, 740iL, 850Ci, 525iT, 535i, 750iL, M5, 735i, 735iL, 850i, and M6 front brake wear sensor applications where the original sensor has failed or been damaged during brake service. The Holstein Parts 2BWS0117 is also a fitment match for select OE-style brake wear sensor applications used on BMW front brake systems.

What It Helps Address

• Brake wear warning light staying on after pad service
• Broken or damaged front brake pad wear sensor wiring
• Intermittent brake wear indicator signal
• Failed sensor connection at the front brake assembly
• Restoring brake pad monitoring on select BMW models

Installation Notes and Tips

Verify connector shape, terminal style, and harness length against the original sensor before installation. Route the harness away from moving suspension and brake components, and inspect the brake pad wear circuit for damage if the warning light remains illuminated after replacement. This sensor is listed for front positions on the applicable BMW models, with some fitments noted as N/A in the catalog data.

• Fits 1989-1995 BMW 525i, front
• Fits 1994-1995 BMW 530i, front
• Fits 1994-1995 BMW 540i, front
• Fits 1993-1994 BMW 740i, front
• Fits 1993-1994 BMW 740iL, front
• Fits 1993-1994 BMW 850Ci, front
• Fits 1993 BMW 525iT, front
• Fits 1989-1993 BMW 535i, front
• Fits 1988-1993 BMW 750iL, front
• Fits 1988 BMW M5, front
• Fits 1987-1992 BMW 735i, front
• Fits 1988-1992 BMW 735iL, front

Quality Assurance

Holstein Parts 2BWS0117 is built as a replacement brake sensor for select BMW front applications and is specified with OE-style connector and harness details to support proper fitment and signal function.