NTK DF0003 Disc Brake Pad Wear Sensor - Front

Disc Brake Pad Wear Sensor for BMW

NTK DF0003 is a disc brake pad wear sensor built for front brake wear monitoring on select BMW applications. It uses a round female connector, blade terminals, and a 23.50-inch wiring harness for a direct-style electrical connection.

Compatible With BMW 135i, 328i, 328i xDrive, 335d, 335i, 335i xDrive, 328xi, and 325i front brake wear sensor applications. This NTK Disc Brake Pad Wear Sensor, part number DF0003, is engineered for vehicles that rely on electronic pad wear indication to alert the driver when service is needed.

Key Features

• Front brake pad wear sensor for select BMW models
• Round female connector with blade terminals
• 23.50-inch wiring harness for routing and connection
• Single-wire design with two terminals
• NTK technical sensor construction backed by OE-focused development

Detailed Description

NTK DF0003 is part of the NTK Disc Brake Pad Wear Sensor line, which extends the brand’s sensor coverage beyond ignition and oxygen sensor products. Built from OE experience, this sensor is manufactured to meet or exceed OE specifications and is tested under thermal shock, vibration, and OBD verification conditions. The result is a replacement sensor suited for BMW brake wear monitoring systems that require accurate electrical signaling at the front axle.

For buyers searching for a BMW 135i front brake pad wear sensor, BMW 328i front brake wear sensor, or BMW 335i front brake pad wear sensor, DF0003 provides the specified connector style and harness length needed for the listed applications. This part cross-references Standard Ignition PWS108 for the same application.

What It Is Used For

• Replacing a worn or damaged brake pad wear sensor
• Restoring brake wear warning function
• Addressing sensor connector or wiring faults
• Correcting intermittent pad wear warning alerts
• Supporting service on front brake wear monitoring systems

Installation Notes and Tips

Verify connector shape, terminal type, and harness length before installation. Match the application by year, model, and front position exactly, since the fitment varies across BMW 1 Series and 3 Series applications. Inspect the brake pad wear circuit for damage before installing the new sensor.

Quality Assurance

NTK is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. DF0003 is manufactured to meet or exceed OE specifications and is validated through thermal shock, vibration, and OBD testing.