Description:

PERFECT FOR - 1998-2003 for BMW 540i 4.4L,2004-2005 for BMW 545i 4.4L,2006-2010 for BMW 550i 4.8L,2004-2005 for BMW 645Ci 4.4L,2006-2010 for BMW 650i 4.8L,1997-2001 for BMW 740i 4.4L,1997-2001 for BMW 740iL 4.4L,2002-2005 for BMW 745i 4.4L,2002-2005 for BMW 745Li 4.4L,2006-2008 for BMW 750i 4.8L,2006-2008 for BMW 750Li 4.8L,2007-2008 for BMW Alpina B7 4.4L,2000-2003 for BMW M5 4.9L,2000-2003 for BMW M5 5.0L,2000-2006 for BMW X5 4.4L,2002-2003 for BMW X5 4.6L. PART NUMBER - 0261231200 12141709317 13627568421. FUNCTION - Used to measure engine jitter and to adjust ignition advance angle when engine knocks. PACKAGE INCLUDED - 1 pcs Knock (Detonation) Sensor.