Facet 9.3132 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for BMW Models

The Facet 9.3132 Ignition Knock (Detonation) Sensor is designed to provide accurate knock detection for a range of BMW vehicles. This sensor helps maintain engine performance by detecting abnormal combustion and allowing the engine control unit to adjust timing accordingly.

• Compatible with BMW 3 Series models including 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, and 330xi
• Fits BMW 5 Series models such as 525i, 528i, and 530i
• Also compatible with BMW X3, X5, Z3, and Z4 models
• Part number 9.3132 ensures precise fit and function
• Designed to detect engine knock and prevent detonation damage

Product Details and Functionality

The Facet 9.3132 ignition knock sensor is engineered to monitor engine vibrations caused by detonation or knocking. By sending signals to the engine control unit, it enables real-time adjustments to ignition timing, which helps optimize engine efficiency and reduce harmful emissions. This sensor is essential for maintaining the performance and longevity of BMW engines across multiple models, including the 3 Series, 5 Series, and select SUVs and coupes.

Common Applications and Problem Resolution

• Detects and signals engine knocking or pinging
• Helps prevent engine damage caused by detonation
• Improves fuel efficiency by enabling proper ignition timing
• Reduces emissions by ensuring optimal combustion
• Supports smooth engine operation and performance

Installation Notes and Tips

Installation of the Facet 9.3132 sensor should be performed with care to ensure proper torque and electrical connection. It is recommended to disconnect the battery before installation to avoid electrical shorts. Verify sensor placement according to the vehicle’s service manual for BMW 323i, 328i, 330i, 525i, X3, X5, Z3, and Z4 models. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Facet manufactures the 9.3132 ignition knock sensor to meet OEM specifications for fit and function. This sensor undergoes rigorous testing to ensure durability and reliable performance under normal operating conditions. Warranty coverage details should be confirmed at the time of purchase, typically including protection against manufacturing defects.