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.

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Year	Make	Model	Submodel
1992-1995	BMW	325i	Base
1992-1995	BMW	325is	Base
1994	BMW	530i	Base
1994	BMW	540i	Base
1993-1994	BMW	740i	Base
1993-1994	BMW	740iL	Base
1995	BMW	M3	Base
1995	BMW	M3	Lightweight