Facet 9.3110 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for BMW Models

The Facet 9.3110 ignition knock sensor is designed to provide accurate detonation detection for select BMW vehicles. This sensor helps maintain engine performance by monitoring and signaling engine knock, ensuring optimal combustion timing.

• Compatible with BMW 323i, 323is, 328i, 328is, 528i, M3, and Z3 models
• Part number 9.3110 ensures precise fit and function
• Detects engine knock to prevent damage and improve efficiency
• Direct replacement sensor for emission control systems
• Durable construction for consistent performance under varying conditions

Product Details and Functionality

The Facet 9.3110 ignition knock sensor is an essential component in the emission control system of various BMW models, including the 323i, 328i, and M3. It detects engine detonation or knock by sensing vibrations caused by abnormal combustion. This information is relayed to the engine control unit (ECU), which adjusts ignition timing to prevent engine damage and maintain fuel efficiency. The sensor’s design ensures compatibility with the specified BMW models, providing reliable and accurate knock detection to support engine longevity and performance.

Common Applications and Problem Resolution

• Prevents engine damage caused by uncontrolled knocking
• Helps maintain optimal ignition timing for fuel efficiency
• Reduces emissions by supporting proper combustion control
• Eliminates engine hesitation or rough idling related to knock sensor failure
• Resolves check engine light codes related to knock sensor faults

Installation Notes and Tips

• Ensure vehicle compatibility with BMW 323i, 323is, 328i, 328is, 528i, M3, or Z3 before installation
• Disconnect the battery before sensor replacement to avoid electrical issues
• Use proper torque specifications to avoid sensor damage
• Inspect wiring and connectors for corrosion or damage during installation
• Clear any diagnostic trouble codes after installation to reset the ECU

Quality Assurance and Warranty Information

Facet ignition knock sensors are manufactured to meet OEM standards for fit and function. The 9.3110 sensor undergoes rigorous quality control to ensure durability and reliable performance in emission control applications. While specific warranty details may vary, Facet products typically include a limited warranty against defects in materials and workmanship to provide confidence in your purchase.