NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

This Part Fits:

Year	Make	Model	Submodel
2011-2013	BMW	135i	Base
2013	BMW	135is	Base
2011-2013	BMW	335i	Base
2014	BMW	335i GT xDrive	Base
2013	BMW	335i xDrive	Base
2011-2013	BMW	535i	Base
2010-2013	BMW	535i GT	Base
2011-2013	BMW	535i GT xDrive	Base
2011-2013	BMW	535i xDrive	Base
2012-2013	BMW	640i	Base
2013	BMW	640i Gran Coupe	Base
2013-2015	BMW	740i	Base
2013-2015	BMW	740Li	Base
2013-2015	BMW	740Li xDrive	Base
2013	BMW	ActiveHybrid 3	Base
2012-2013	BMW	ActiveHybrid 5	Base
2013-2015	BMW	ActiveHybrid 7	Base
2011-2017	BMW	X3	xDrive35i
2015-2016	BMW	X4	xDrive35i
2011-2013	BMW	X5	xDrive35i
2011-2014	BMW	X6	xDrive35i