HomeEmission Control > SensorsGlobal Parts 1811930 Ignition Knock (Detonation) Sensor
Part #: 1811930

Global Parts 1811930 Ignition Knock (Detonation) Sensor

⚙️ 29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 550i, 550i GT, 550i GT xDrive, 550i xDrive, 750i, 750i xDrive, 750Li, 750Li xDrive, X5, and X6
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Overview of Global Parts Ignition Knock Sensor 1811930

The Global Parts Ignition Knock (Detonation) Sensor 1811930 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.

  • Length: 2.05 inches for compact fitment
  • Blade terminal type with 2 terminals for reliable electrical connection
  • Single female oblong connector for secure attachment
  • Mounting hardware not included, allowing use with existing OEM components
  • Compatible with multiple BMW models including 550i, 750Li, X5, and X6

Detailed Product Description

The Global Parts 1811930 ignition knock sensor features a 2.05-inch length and a blade terminal type with two terminals, ensuring a stable and consistent electrical interface. Its single female oblong connector is designed to fit precisely with the vehicle’s wiring harness, minimizing the risk of connection issues. This sensor is engineered to detect engine detonation or knock, which can negatively impact engine efficiency and longevity if left unmonitored. Compatible with BMW 550i, 550i GT, 550i GT xDrive, 550i xDrive, 750i, 750i xDrive, 750Li, 750Li xDrive, X5, and X6 models, the 1811930 sensor integrates seamlessly into the emission control system.

Common Applications and Problem Resolution

  • Detects engine knock to prevent potential damage
  • Helps maintain optimal ignition timing and fuel efficiency
  • Reduces engine misfire and rough idling issues
  • Supports emission control compliance by monitoring detonation
  • Prevents check engine light triggers related to knock sensor faults

Installation Notes and Tips

Installation of the Global Parts 1811930 ignition knock sensor requires removal of the old sensor and connection to the vehicle’s wiring harness using the female oblong connector. Since mounting hardware is not included, reuse the original mounting components or acquire compatible hardware separately. Ensure the sensor is securely mounted to the engine block to accurately detect vibrations. Proper torque specifications should be followed to avoid sensor damage or improper readings.

Quality Assurance and Warranty

Global Parts manufactures the 1811930 ignition knock sensor to meet OEM standards for fit, form, and function. While mounting hardware is not included, the sensor itself undergoes quality checks to ensure reliable performance in BMW vehicles. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.

This part fits 29 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2012BMW750i4.4LV8N/Ato 4/2011
2012BMW750Li4.4LV8N/Ato 4/2011
2012BMWX54.4LV8N/Ato 4/2011
2012BMWX64.4LV8N/Ato 4/2011
2011BMW550i4.4LV8N/AIgnition Knock Sensor; All Models; From 4/11
2011BMW550i GT4.4LV8N/AIgnition Knock Sensor; Before 4/11
2011BMW550i GT4.4LV8N/AIgnition Knock Sensor; All Models; From 4/11
2011BMW550i GT xDrive4.4LV8N/AIgnition Knock Sensor; Before 4/11
2011BMW550i GT xDrive4.4LV8N/AIgnition Knock Sensor; All Models; From 4/11
2011BMW550i xDrive4.4LV8N/AIgnition Knock Sensor; All Models; From 4/11
2011BMW750i4.4LV8GASN/AIgnition Knock Sensor; Before 4/11
2011BMW750i xDrive4.4LV8N/AIgnition Knock Sensor; Before 4/11
2011BMW750Li4.4LV8GASN/AIgnition Knock Sensor; Before 4/11
2011BMW750Li xDrive4.4LV8N/AIgnition Knock Sensor; Before 4/11
2011BMWX54.4LV8GASN/AIgnition Knock Sensor; Before 4/11
2011BMWX64.4LV8ELECTRIC/GASN/AIgnition Knock Sensor; Before 4/11
2011BMWX64.4LV8GASN/AIgnition Knock Sensor; Before 4/11
2010BMW550i GT4.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010BMW550i GT xDrive4.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010BMW750i4.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010BMW750i xDrive4.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010BMW750Li4.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010BMW750Li xDrive4.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010BMWX54.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010BMWX64.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009BMW750i4.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009BMW750Li4.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009BMWX64.4LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2008BMWX64.4LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.