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Also known as a ping sensor, detects pre-detonation in the combustion chamber, 2 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:

1997 BMW 540i Ignition Knock (Detonation) Sensor

From 9/1997
1999 BMW 540i Ignition Knock (Detonation) Sensor
2000 BMW 540i Ignition Knock (Detonation) Sensor
2001 BMW 540i Ignition Knock (Detonation) Sensor
2002 BMW 540i Ignition Knock (Detonation) Sensor
2003 BMW 540i Ignition Knock (Detonation) Sensor
1997 BMW 740i Ignition Knock (Detonation) Sensor

From 9/1997
1998 BMW 740i Ignition Knock (Detonation) Sensor
1999 BMW 740i Ignition Knock (Detonation) Sensor
2000 BMW 740i Ignition Knock (Detonation) Sensor
2001 BMW 740i Ignition Knock (Detonation) Sensor
1997 BMW 740iL Ignition Knock (Detonation) Sensor

From 9/1997
1998 BMW 740iL Ignition Knock (Detonation) Sensor
1999 BMW 740iL Ignition Knock (Detonation) Sensor
2000 BMW 740iL Ignition Knock (Detonation) Sensor
2001 BMW 740iL Ignition Knock (Detonation) Sensor
2002 BMW 745i Ignition Knock (Detonation) Sensor
2003 BMW 745i Ignition Knock (Detonation) Sensor
2004 BMW 745i Ignition Knock (Detonation) Sensor
2005 BMW 745i Ignition Knock (Detonation) Sensor
2002 BMW 745Li Ignition Knock (Detonation) Sensor
2003 BMW 745Li Ignition Knock (Detonation) Sensor
2004 BMW 745Li Ignition Knock (Detonation) Sensor
2005 BMW 745Li Ignition Knock (Detonation) Sensor
2000 BMW M5 Ignition Knock (Detonation) Sensor
2001 BMW M5 Ignition Knock (Detonation) Sensor
2002 BMW M5 Ignition Knock (Detonation) Sensor
2003 BMW M5 Ignition Knock (Detonation) Sensor
2000 BMW X5 Ignition Knock (Detonation) Sensor
2001 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.4i
2002 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.4i
2002 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.6is
2003 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.4i
2003 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.6is
2004 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.4i
2004 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.8is
2005 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.4i
2005 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.8is
2006 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.4i
2006 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.8is
2007 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.8i
2008 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: 4.8i
2009 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: xDrive48i
2010 BMW X5 Ignition Knock (Detonation) Sensor
Sub model: xDrive48i
2000 BMW Z8 Ignition Knock (Detonation) Sensor
2001 BMW Z8 Ignition Knock (Detonation) Sensor
2002 BMW Z8 Ignition Knock (Detonation) Sensor
2003 BMW Z8 Ignition Knock (Detonation) Sensor
2004 BMW 545i Ignition Knock (Detonation) Sensor
2005 BMW 545i Ignition Knock (Detonation) Sensor
2004 BMW 645Ci Ignition Knock (Detonation) Sensor
2005 BMW 645Ci Ignition Knock (Detonation) Sensor
2006 BMW 750Li Ignition Knock (Detonation) Sensor
2007 BMW 750Li Ignition Knock (Detonation) Sensor
2008 BMW 750Li Ignition Knock (Detonation) Sensor
2006 BMW 750i Ignition Knock (Detonation) Sensor
2007 BMW 750i Ignition Knock (Detonation) Sensor
2008 BMW 750i Ignition Knock (Detonation) Sensor
2006 BMW 550i Ignition Knock (Detonation) Sensor
2007 BMW 550i Ignition Knock (Detonation) Sensor
2008 BMW 550i Ignition Knock (Detonation) Sensor
2009 BMW 550i Ignition Knock (Detonation) Sensor
2010 BMW 550i Ignition Knock (Detonation) Sensor
2006 BMW 650i Ignition Knock (Detonation) Sensor
2007 BMW 650i Ignition Knock (Detonation) Sensor
2008 BMW 650i Ignition Knock (Detonation) Sensor
2009 BMW 650i Ignition Knock (Detonation) Sensor
2010 BMW 650i Ignition Knock (Detonation) Sensor
2007 BMW Alpina B7 Ignition Knock (Detonation) Sensor
2008 BMW Alpina B7 Ignition Knock (Detonation) Sensor
Product match fitment

BMW Knock Sensor - Genuine BMW 13627568421

Brand:
Genuine bmw logoGenuine BMW
SKU #:
BMW-13627568421
Part:
Ignition Knock (Detonation) Sensor
OE Numbers:
13627568421, 12141435502, 12141709317
FCP ID:
223982
$136.99 MSRP: $164.99
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