ECCPP Knock -Detonation- Sensor Compatible with 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

Specifications? - 100% new - high quality meet the standard of original equipment -100% factory tested - High Output - Exact Fit Compatible with: 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 2004-2009 for BMW X5 4.8L 2003 for BMW Z8 4.8L 2001-2003 for BMW Z8 4.9L 2000-2003 for BMW Z8 5.0L