Global Parts 1811816 Ignition Knock (Detonation) Sensor
$61.14
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Only 2 left in stock
- 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
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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.