Genuine 12147839167 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for BMW M3, Z3, and Z4

The Genuine Ignition Knock (Detonation) Sensor, part number 12147839167, is designed specifically for BMW models including the M3, Z3, and Z4. This sensor plays a critical role in monitoring engine knock to optimize performance and protect your engine from damage.

Key Features of the Genuine 12147839167 Knock Sensor

• Compatible with BMW M3, Z3, and Z4 models
• Accurate detection of engine knock and detonation
• Durable construction for long-term reliability
• OEM quality ensuring precise fit and function
• Part number 12147839167 for exact replacement

Detailed Description of the Ignition Knock Sensor

This Genuine ignition knock sensor is engineered to detect abnormal combustion events, commonly known as engine knock or detonation, in BMW M3, Z3, and Z4 engines. By sensing vibrations caused by knocking, it sends signals to the engine control unit (ECU) to adjust ignition timing and prevent potential engine damage. The sensor’s precise design and OEM-grade materials ensure consistent performance and compatibility with the specified BMW models. Using part number 12147839167 guarantees a direct fit without modifications, maintaining the integrity of your vehicle’s emission control system.

Common Issues Addressed by the Knock Sensor

• Engine knocking or pinging noises during acceleration
• Reduced engine performance and fuel efficiency
• Illuminated check engine light related to detonation codes
• Potential engine damage from uncontrolled knock events
• Erratic ignition timing adjustments by the ECU

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Locate the sensor on the engine block as per BMW service manual
• Use proper torque specifications to avoid sensor damage
• Disconnect the battery to prevent electrical shorts during replacement
• Verify sensor connector is clean and securely attached

Quality Assurance and Warranty Information

The Genuine ignition knock sensor 12147839167 meets OEM standards for fit, form, and function on BMW M3, Z3, and Z4 vehicles. Manufactured under strict quality controls, this sensor is built to provide reliable operation over the life of the vehicle. Warranty coverage details vary by distributor but typically include protection against defects in materials and workmanship.