Global Parts 1811816 Ignition Knock (Detonation) Sensor

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Fitment Info

  • Global Parts 1811816 Ignition Knock (Detonation) Sensor
  • Fits: BMW 540i, BMW 545i, BMW 550i, BMW 550i GT, BMW 550i GT xDrive, BMW 645Ci, BMW 650i, BMW 740iL, BMW 745i, BMW 745Li + 5 More (check fitment chart for compatibility)
  • Confirm fitment with our fitment and interchange chart below

Fitment Table

✅ Compatible with 61 vehicles
Year Make Model Liters Cylinders Fuel Type Notes
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Product Description

The knock sensor is located on the engine block, cylinder head or intake manifold. Its function is to sense unusual vibrations caused by engine pre-ignition or detonation.