Standard Ignition PWS290 Disc Brake Pad Wear Sensor - Front

Overview of Standard Ignition Disc Brake Pad Wear Sensor PWS290

The Standard Ignition PWS290 disc brake pad wear sensor is designed for precise monitoring of brake pad wear on select BMW models. This sensor helps maintain optimal braking performance by alerting drivers when brake pads require replacement.

• Compatible with BMW 320i, 320i xDrive, 328d, 328d xDrive, 328i, 328i GT xDrive, 328i xDrive, 335i, 335i xDrive, 428i, 428i xDrive, 435i, 435i xDrive, and ActiveHybrid 3
• Connector gender: Female with one oval-shaped connector
• Harness length: 24.25 inches (615.95 mm) for flexible installation
• Mounting location: Brake caliper for accurate wear detection
• Terminal type: Male pin terminals, two in quantity

Detailed Product Features and Specifications

The PWS290 brake pad wear sensor from Standard Ignition is engineered to fit directly onto the brake caliper of various BMW models, ensuring reliable communication of brake pad status. The sensor features a female oval connector designed for secure attachment, paired with two male pin terminals to maintain consistent electrical contact. The harness length of 24.25 inches (615.95 mm) provides sufficient reach for installation without excess slack, facilitating a clean and professional setup. This sensor is specifically tailored for BMW vehicles including the 320i, 328i, 335i, and 4 Series variants, ensuring compatibility and performance.

Purpose and Common Applications

• Monitors brake pad wear to prevent brake failure
• Alerts drivers to replace worn brake pads promptly
• Helps maintain braking system safety and efficiency
• Prevents damage to brake rotors caused by worn pads
• Supports vehicle diagnostics related to brake system health

Installation Notes and Tips

When installing the Standard Ignition PWS290 sensor, ensure the brake caliper is clean and free of debris to allow proper sensor mounting. Connect the female oval connector securely to the vehicle’s wiring harness, verifying that the two male pin terminals are properly seated. Route the 24.25-inch harness carefully to avoid contact with moving parts or excessive heat sources. It is recommended to inspect the sensor wiring during routine brake maintenance to ensure continued functionality.

Quality Assurance and Warranty

Standard Ignition manufactures the PWS290 sensor to meet OEM specifications for fit and function on compatible BMW models. The product undergoes quality control testing to ensure durability and reliable performance. Warranty coverage details should be confirmed at the point of purchase, as Standard Ignition typically offers limited warranties covering defects in materials and workmanship.