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. NTK is constantly improving sensor designs to provide excellent performance and improve resistance to failure. NTK works with their OEM manufacturers through each phase of development from concept to production.

ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning

The NGK BMW 528i 2011 Direct Fit Oxygen Sensor (Part Number 25735) is engineered to optimize your vehicle's engine performance and emissions control. As a critical component of your vehicle's on-board diagnostic system, this oxygen sensor provides precise feedback to the ECU, ensuring the ideal air-fuel mixture for efficient combustion. Its design helps maximize fuel economy while reducing harmful emissions, supporting both environmental standards and your vehicle's longevity. The sensor features an advanced ceramic element with a contaminant-resistant plasma jet and deposit trap overcoat, which safeguards against poisoning and prolongs sensor life.
Manufactured with high-quality materials and cutting-edge technology, the NGK oxygen sensor is designed for durability and reliable operation. It is a direct-fit replacement, ensuring a straightforward installation process for compatible BMW models, including the 2011 528i and X3, as well as the 2012 BMW X3. This OEM-equivalent sensor meets industry standards and is backed by NGK's commitment to quality, making it an ideal choice for maintaining optimal vehicle performance.
Note that this product complies with Prop 65 regulations and requires carb acknowledgment during installation. The sensor is suitable for use without air freight restrictions, facilitating convenient shipping and handling. Trust NGK, a globally recognized leader in automotive sensors, for dependable, high-performance solutions that keep your vehicle running smoothly and efficiently.

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