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 1 Series M 2011 Direct Fit Oxygen Sensor, Part Number 25676, is engineered to ensure your vehicle maintains optimal engine performance and fuel efficiency. Designed specifically for models including 2007-2010 BMW 528i, 2008-2010 BMW 528xi, 2008-2011 BMW 550i, and 2010 BMW 528i xDrive, this sensor seamlessly integrates with your vehicle's onboard diagnostic system. It provides crucial closed-loop feedback to the engine control unit (ECU), assisting in precise air-fuel ratio regulation while detecting potential issues with fuel delivery or catalytic converter efficiency. This OEM-quality sensor is vital for reducing emissions and maintaining vehicle performance.

Constructed with advanced ceramic technology, the sensor features a three-stage contaminant-resistant plasma jet and deposit trap overcoat that guards against element poisoning, ensuring dependable operation even in challenging conditions. This design enhances durability and resistance to failure, making it a reliable replacement for your factory sensor. Designed for easy direct fit installation, the sensor is a perfect match for your vehicle's specifications, ensuring hassle-free replacement and optimal operation. It is compatible with various BMW 1 Series models and adheres to strict quality standards, providing peace of mind and long-lasting performance.

Trust NGK for innovative sensor technology and OE application expertise, ensuring your vehicle runs cleanly and efficiently. This product is a crucial component for maintaining emissions standards and engine health, contributing to overall vehicle longevity and performance. Whether you're restoring performance or conducting routine maintenance, this oxygen sensor delivers the quality and reliability you expect from a leading automotive supplier.

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