🔧【Applications】Note: Only for Cylinder 1,2,3 ! ! ! Oxygen Sensor Replacement for BMW 2009-2007 X3, 2010-2007 X5 Gas Engine, 2015-2006 Z4, 2013-2008 128I, 2010-2008 135I, 2011-2010 323I, 2013-2007 328I, 2008-2007 328XI, 2010-2007 335I, 2013-2011 335IS, 2010-2009 335I XDRIVE, 2008-2007 335XI, 2010-2008 528I/XDRIVE L6 3.0L. 🔧【Advantage】Made of high-quality materials,strong durability,to ensure service life,oxygen sensor can improve engine performance and fuel economy,extend catalytic converter life. 🔧【Cautions】Pls carefully check your vehicle year & make & model with the fitment of Amazon and our description.Pls compare your part with our pictures, it must be completely same.If you have any questions, please email us, we try to answer all email within 24 hours. 🔧【Installation】STEP1. Locate the oxygen sensor position and remove it with socket, STEP2. Compare the new sensor to the old sensor to ensure a proper installation, STEP3. Please clean the threaded port to ensure a proper seal of the new sensor,STEP4.Gently tighten the sensor in order to keep wire free from damage and avoid sensor leakage, STEP5,Reinstail the connecor,try to clear it if the car has diagnostic trouble codes. 🔧【Warranty】1-Year Unlimited Miles Warranty. If the oxygen sensor does not fit your vehicle, we accept return. Please make the item clean and package in good condition. Interchange Number：234-5139 234-4876
Fitment :
Compatible with BMW 1 SERIES M L6-3.0 2011 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 128I L6-3.0 2013-2008 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 135I L6-3.0 2010-2008 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 323I L6-2.5 2011-2010 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 325I L6-3.0 2006 From 11/2005; Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 325XI L6-3.0 2006 From 11/2005; Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 328I L6-3.0 2013-2007 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 328I XDRIVE L6-3.0 2013-2009 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 328XI L6-3.0 2008-2007 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 330I L6-3.0 2006 From 11/2005; Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 330XI L6-3.0 2006 From 11/2005; Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 335I L6-3.0 2010-2007 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 335IS L6-3.0 2013-2011 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 335I XDRIVE L6-3.0 2010-2009 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 335XI L6-3.0 2008-2007 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 528I L6-3.0 2010-2008 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 528I XDRIVE L6-3.0 2010-2009 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW 528XI L6-3.0 2008 Cylinder 1,2,3 ; 1Pcs Upstream + 1Pcs Downstream
Replacement for BMW X3 L6-3.0 2010 xDrive30i; Cylinder 1,2,3 ;