Genuine 12141741648 Ignition Knock (Detonation) Sensor

Overview of Genuine Ignition Knock Sensor for BMW Models

The Genuine Ignition Knock (Detonation) Sensor, part number 12141741648, is designed specifically for select BMW vehicles including the 540i, 740i, 740iL, and 840Ci. This sensor plays a critical role in engine performance by detecting engine knock and helping to optimize ignition timing.

• Compatible with BMW 540i, 740i, 740iL, and 840Ci models
• OEM Genuine part ensuring precise fit and function
• Part number 12141741648 for accurate identification
• Monitors engine detonation to improve combustion efficiency
• Durable construction for reliable long-term operation

Detailed Product Description

The Genuine Ignition Knock Sensor 12141741648 is engineered to detect abnormal combustion events, commonly known as engine knock or detonation, in BMW engines. By sensing these vibrations, the sensor sends signals to the engine control unit (ECU), which then adjusts ignition timing to prevent engine damage and maintain optimal performance. This sensor is compatible with BMW 540i, 740i, 740iL, and 840Ci models, ensuring a precise fit and reliable operation. Using a genuine part helps maintain the integrity of your vehicle’s emission control system and engine management.

Common Applications and Issues Addressed

• Prevents engine knocking and pinging noises
• Helps avoid potential engine damage from detonation
• Improves fuel efficiency by optimizing ignition timing
• Reduces harmful emissions by maintaining proper combustion
• Supports smooth engine performance and drivability

Installation Notes and Tips

• Ensure compatibility with BMW 540i, 740i, 740iL, or 840Ci before installation
• Disconnect the battery before replacing the sensor 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

This Genuine Ignition Knock Sensor 12141741648 meets OEM standards for quality and durability. Manufactured to strict specifications, it ensures reliable performance in emission control and engine management systems. While specific warranty details may vary, Genuine parts typically come with a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.