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 |
|---|---|---|---|
| 2003-2006 | BMW | 325Ci | Base |
| 2003-2005 | BMW | 325i | Base |
| 2003-2006 | BMW | 330Ci | Base |
| 2003-2005 | BMW | 330i | Base |
| 2004-2005 | BMW | 525i | Base |
| 2004-2005 | BMW | 530i | Base |
| 2004-2006 | BMW | X3 | 3.0i |
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