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Global Parts 1811904 Ignition Knock (Detonation) SensorOE Quality 60-Day Returns
Part #: 1811904

Global Parts 1811904 Ignition Knock (Detonation) Sensor

⚙️ 21 vehicles fit this part
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Select your vehicle to confirm fitment
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, Z3, 323is, 328is, M3, 328i, and 528i
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Overview of Global Parts Ignition Knock Sensor 1811904

The Global Parts Ignition Knock (Detonation) Sensor 1811904 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.

  • Wiring harness length: 7.75 inches for flexible installation
  • Pin-type terminal with 4 terminals for reliable connectivity
  • Includes mounting hardware for straightforward replacement
  • Single round male connector for secure fitment
  • Wiring harness included to ensure compatibility and ease of installation

Detailed Product Description

The Global Parts 1811904 ignition knock sensor is engineered to detect engine detonation in BMW vehicles such as the 323is, 328i, 328is, 528i, M3, and Z3 models. Featuring a 7.75-inch wiring harness, this sensor provides sufficient length for convenient routing within the engine bay. The sensor’s pin-type terminal with four terminals ensures stable electrical connections, while the included mounting hardware simplifies the installation process. The single round male connector is designed to match factory specifications, ensuring a secure and precise fit. The wiring harness is included, eliminating the need for additional parts and reducing installation time.

Compatible BMW Models and Applications

  • Compatible with BMW 323is ignition knock sensor replacement
  • Suitable for BMW 328i and 328is engine detonation monitoring
  • Fits BMW 528i models requiring ignition knock sensor repair
  • Designed for BMW M3 and Z3 models to maintain engine performance

Common Issues Addressed by This Sensor

  • Engine knocking or pinging during acceleration
  • Reduced fuel efficiency due to improper ignition timing
  • Check engine light triggered by detonation sensor faults
  • Engine misfires related to knock sensor failure
  • Unstable engine performance under load conditions

Installation Notes and Tips

When installing the Global Parts 1811904 ignition knock sensor, ensure the wiring harness is routed away from high-heat areas to prevent damage. Use the included mounting hardware to secure the sensor firmly to the engine block. 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

Global Parts provides this ignition knock sensor with quality standards that meet OEM specifications for BMW vehicles. The part number 1811904 undergoes rigorous testing to ensure durability and accurate performance. While specific warranty details may vary, Global Parts typically offers coverage against manufacturing defects to support reliable long-term use.

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000BMWZ33.2LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1999BMW323is2.5LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1999BMW328is2.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1999BMWM33.2LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1999BMWZ33.2LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1998BMW323is2.5LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1998BMW328i2.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1998BMW328is2.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1998BMW528i2.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1998BMWM33.2LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1998BMWZ32.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1997BMW328i2.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1997BMW328is2.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1997BMW528i2.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1997BMWM33.2LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1997BMWZ32.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1996BMW328i2.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1996BMW328is2.8LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1996BMW528i2.8LL6N/A
1996BMWM33.2LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
1995BMWM33.0LL6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.

* 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.

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