NTK 25676 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of NTK Direct Fit Oxygen Sensor 25676

The NTK Direct Fit Oxygen Sensor 25676 is engineered for precise emission control in select BMW and Rolls-Royce models. Designed as a heated oxygen sensor with a specific fit, it ensures accurate air-fuel mixture readings to optimize engine performance and reduce emissions.

• Heated oxygen sensor for faster response times
• Specific fit for BMW and Rolls-Royce vehicles
• Threaded mounting type with 18mm thread diameter
• 21.75-inch wiring harness length with 4 wires
• Part number 25676 for exact replacement

Features and Specifications

This oxygen sensor features a 21.75-inch wiring harness, providing sufficient length for installation without modification. The sensor is heated, which helps it reach operating temperature quickly, improving emission control efficiency. It uses a threaded mounting type with an 18mm thread diameter, ensuring secure and proper installation. The sensor includes four wires, supporting the heated function and signal transmission. This part is a specific fit, designed to match the OEM specifications for various BMW and Rolls-Royce models.

About the NTK Direct Fit Oxygen Sensor Line

The Direct Fit Oxygen Sensor line by NTK is developed to provide exact replacements for factory-installed sensors. These sensors are engineered to meet or exceed OEM standards, ensuring compatibility and reliable performance. The Direct Fit line simplifies installation by matching the original sensor’s wiring and mounting specifications, reducing installation time and potential errors.

Compatible Vehicles and Applications

This NTK oxygen sensor 25676 is compatible with a range of BMW models including the 1 Series M, 128i, 135i, 323i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 335i, 335is, 335i xDrive, 335xi, 528i, 528i xDrive, 528xi, 535i, 535i xDrive, 535xi, 550i, 550i GT, 550i GT xDrive, 550i xDrive, 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe, 740i, 740Li, 750i, 750i xDrive, 750Li, 750Li xDrive, 760Li, X1, X3, X5, X6, and Z4. It is also compatible with Rolls-Royce Ghost models. This sensor is designed to maintain proper emission control and engine efficiency in these vehicles.

Common Issues Addressed by NTK Oxygen Sensor 25676

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor failure

Installation Notes and Tips

When installing the NTK Direct Fit Oxygen Sensor 25676, ensure the vehicle is cool to avoid burns. Use the correct 18mm socket for removal and installation to prevent damage to the sensor or threads. Verify the wiring harness length of 21.75 inches is sufficient for your vehicle’s routing. Confirm the sensor’s four-wire configuration matches the original sensor to ensure proper electrical connections. Follow manufacturer torque specifications to avoid over-tightening.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The Direct Fit Oxygen Sensor 25676 undergoes rigorous testing to ensure durability and reliable performance. While specific warranty details may vary, NTK typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s longevity and function.