Facet 9.3193 Ignition Knock (Detonation) Sensor

Overview of Facet Ignition Knock Sensor 9.3193

The Facet Ignition Knock (Detonation) Sensor 9.3193 is designed for precise detection of engine knock in various BMW models. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

• Compatible with BMW models including 128i, 325i, 328i, 330i, 335i, 525i, X3, X5, and Z4
• Part number 9.3193 ensures exact fit and function
• Detects engine knock to prevent damage and improve efficiency
• Durable construction for reliable long-term operation
• Direct replacement sensor for emission control systems

Detailed Product Description

The Facet 9.3193 ignition knock sensor is engineered to detect abnormal combustion events, commonly known as engine knock or detonation, in BMW vehicles. By accurately sensing vibrations caused by knock, it provides critical feedback to the engine control unit, allowing for timely adjustments to ignition timing. This helps protect the engine from potential damage and supports emission control compliance. The sensor is compatible with a wide range of BMW models such as the 128i, 325xi, 328i xDrive, 330xi, 335i, 525xi, 528i xDrive, 530xi, X3, X5, and Z4, making it a versatile replacement part for emission control sensor needs.

Common Applications and Issues Addressed

• Prevents engine damage caused by uncontrolled detonation
• Helps reduce engine knocking noise and vibration
• Supports proper ignition timing adjustments for fuel efficiency
• Assists in maintaining emission standards compliance
• Resolves engine performance issues related to faulty knock sensor signals

Installation Notes and Tips

• Ensure vehicle compatibility by verifying BMW model and year before installation
• Disconnect the battery prior to sensor replacement to avoid electrical issues
• Locate the existing knock sensor on the engine block or cylinder head as per vehicle service manual
• Use appropriate torque specifications when installing the sensor to prevent damage
• Clear any diagnostic trouble codes after installation to reset the engine control unit

Quality Assurance and Warranty

Facet ignition knock sensors are manufactured to meet OEM standards for fit and function. The 9.3193 sensor undergoes rigorous quality control to ensure reliable performance in emission control systems. While specific warranty details may vary, Facet products typically include a limited warranty against defects in materials and workmanship, providing confidence in the sensor’s durability and operational integrity.