Global Parts 1811926 Ignition Knock (Detonation) Sensor

Overview of Global Parts Ignition Knock Sensor 1811926

The Global Parts Ignition Knock (Detonation) Sensor 1811926 is designed specifically for select BMW models including the 530i, 540i, 740i, and 740iL. This sensor plays a critical role in monitoring engine knock and ensuring optimal ignition timing for efficient engine performance.

• Compatible with BMW 530i, 540i, 740i, and 740iL models
• Wiring harness length of 15 inches for flexible installation
• Blade terminal type with 2 terminals for reliable electrical connection
• Includes a single rectangular female connector
• Wiring harness included for ease of replacement
• Mounting hardware not included

Detailed Product Description

The Global Parts ignition knock sensor 1811926 is engineered to detect engine detonation or knock by sensing vibrations caused by abnormal combustion. It features a 15-inch wiring harness that provides sufficient length for installation in the engine bay of compatible BMW vehicles. The sensor uses a blade terminal type with two terminals, ensuring a secure and stable electrical connection. The connector is female with a rectangular shape, designed to fit precisely with the vehicle’s wiring system. While the wiring harness is included, mounting hardware is not provided, so existing hardware or aftermarket options will be necessary for installation.

Function and Common Applications

This ignition knock sensor is essential for maintaining engine performance and preventing damage caused by detonation. It is commonly used to address the following issues:

• 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 hesitation or rough idling
• Potential engine damage from uncontrolled detonation

Installation Notes and Tips

When installing the Global Parts 1811926 knock sensor on BMW 530i, 540i, 740i, or 740iL models, ensure the following:

• Disconnect the battery before installation to prevent electrical shorts
• Verify the sensor connector matches the vehicle’s wiring harness connector
• Use existing mounting hardware or compatible replacements as none are included
• Route the 15-inch wiring harness carefully to avoid contact with hot or moving engine parts
• After installation, clear any diagnostic trouble codes and test drive to confirm proper sensor operation

Quality Assurance and Warranty

Global Parts manufactures this ignition knock sensor to meet OEM specifications for fit and function on BMW 530i, 540i, 740i, and 740iL models. The part number 1811926 undergoes quality control testing to ensure reliable performance. Warranty coverage details should be confirmed at the point of purchase, as they may vary.