High and Compatibility: Designed specifically for models E60, E61, E63, E64, E65, E66, and E67, these Probe O2 Oxygen Sensors accurate measurements of exhaust gases. The sensors are engineered to seamlessly integrate with 540i, 550i, 650i, 740i, 750i, 740li, and 750li models Advanced Sensor Technology: Featuring the innovative Differential sensor type, these oxygen sensors offer superior sensitivity and faster response times. With a sensitivity specification of 0258010421 and 0258006794, they detect oxygen levels with high , enhancing the efficiency and performance of your vehicle's engine. and Reliable: Each sensor is constructed with high-quality materials to withstand harsh engine environments. The sensors come with a 1-year , ensuring reliability and performance. The total lengths of the sensors are tailored to specific needs: 450mm, 325mm, 620mm, and 680mm for installation requirements. Optimized Engine Performance: By accurately measuring oxygen levels, these sensors help maintain the balance between air and within your engine. This not only improves efficiency but also helps in reducing harmful emissions, supporting overall environmental friendliness and compliance with emission standards. Easy Installation and No Chemical Concerns: These sensors are designed for easy installation, allowing for a quick replacement without the need for professional help. They are free from high-concern chemicals, making them a safe choice and the environment. Description/Features: compatibility by verifying the part number and viewing the item image before purchasing. This product is designed for specific models and engine types to a and optimal performance. Specifications: - 5 (E60) 540i N62 B40 A: 4000CC, 225KW,8 Cylinders, Saloon, 2005-2010 - 5 (E60) 550i N62 B48 B: 4799CC, 270KW, 8 Cylinders, Saloon, 2005-2010 - 5 Touring (E61) 550i N62 B48 A: 4799CC, 270KW, 8 Cylinders, Estate, 2005-2010 - 6 (E63) 650i N62 B48 B: 4799CC, 270KW, 8 Cylinders, Coupe, 2005-2010 - 6 (E64) 650i N62 B48 B: 4799CC, 270KW, 8 Cylinders, Convertible, 2005-2010 - 7 (E65, E66, E67) 740i, Li N62 B40 A: 4000CC, 225KW, 8 Cylinders, Saloon, 2005-2008 - 7 (E65, E66, E67) 750i, Li N62 B48 B: 4799CC, 270KW, 8 Cylinders, Saloon, 2005-2008 Payment & Shipping: - Import duties, taxes, and charges are not included in the item price or shipping costs. Feedback: - Your positive feedback is crucial. Please leave . Need Help? - Can' find your product? Contact us with your VIN and car model details. Provide the part number or of your original product for precise assistance. Color: As Shown Material: Metal+Plastic Package Contents: 1Pcs Oxygen Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.