Global Parts 1811859 Ignition Knock (Detonation) Sensor

Overview of Global Parts Ignition Knock Sensor 1811859

The Global Parts Ignition Knock (Detonation) Sensor 1811859 is designed for precise detection of engine knock in select BMW models. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

• Compatible with BMW 540i, 740i, 740iL, and 840Ci models
• Wiring harness length of 22.75 inches included for easy installation
• Pin-type terminal with 4 terminals for reliable electrical connection
• Includes mounting hardware for secure sensor placement
• Single round male connector for straightforward wiring integration

Detailed Product Features and Specifications

The Global Parts 1811859 ignition knock sensor features a 22.75-inch wiring harness, providing sufficient length for installation in BMW 540i, 740i, 740iL, and 840Ci vehicles. The sensor uses a pin terminal type with four terminals, ensuring stable and consistent signal transmission. Its single round male connector simplifies the connection process, while the included mounting hardware allows for proper and secure sensor attachment. The wiring harness is included, reducing the need for additional parts during replacement.

Function and Common Applications

This ignition knock sensor is essential for detecting engine detonation or knocking, which can negatively impact engine efficiency and longevity. It is commonly used to address issues such as:

• Engine knocking or pinging noises during acceleration
• Reduced fuel efficiency due to improper ignition timing
• Check engine light triggered by knock sensor fault codes
• Engine performance irregularities related to detonation
• Potential engine damage from undetected knocking

Installation Notes and Tips

When installing the Global Parts 1811859 sensor on compatible BMW models, ensure the wiring harness is routed away from high-heat areas to prevent damage. Use the included mounting hardware to secure the sensor firmly in place. Verify the connector is fully seated and locked to avoid intermittent electrical issues. It is recommended to clear any diagnostic trouble codes after installation and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty Information

Global Parts manufactures this ignition knock sensor to meet OEM specifications for fit and function on BMW 540i, 740i, 740iL, and 840Ci vehicles. The part number 1811859 undergoes quality control testing to ensure reliable performance. Please refer to Global Parts' warranty policy for coverage details, which typically includes protection against defects in materials and workmanship.