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Also known as a ping sensor, detects pre-detonation in the combustion chamber, 4 per car

The silent killer of all engines is pre-detonation most commonly referred to as engine knock. Engine knock occurs when the air/fuel mixture ignites before the cylinder reached top dead center. This premature ignition can cause pitting on the piston as well as damage to the rod bearings. Engine knock can easily kill an otherwise good engine.

Knock sensors detect this running condition and send signals to the DME in order to adjust fueling and ignition timing. Without knock sensors, engines can't safely run aggressive ignition timing. A failed knock sensor will usually cause your engine to run in limp mode.

Fits These Cars:

1994 BMW 530i Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
From 04/93
1995 BMW 530i Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
1994 BMW 540i Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
1995 BMW 540i Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
1993 BMW 740i Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
To 05/93
1994 BMW 740i Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
1995 BMW 740i Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
1993 BMW 740iL Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
To 05/93
1994 BMW 740iL Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
1995 BMW 740iL Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
1995 BMW 840Ci Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
1994 BMW 840Ci Ignition Knock (Detonation) Sensor
Position: , Part: Ignition Knock (Detonation) Sensor
Product match fitment

BMW Knock Sensor - Genuine BMW 12141702163

Brand:
Genuine bmw logoGenuine BMW
SKU #:
BMW-12141702163
Part:
Ignition Knock (Detonation) Sensor
OE Numbers:
12141702163
FCP ID:
223740
$101.99 MSRP: $122.99
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