[Compatible with]The Oxygen Sensor Set Compatible with for 2007 2008 2009 2010 for Mini Cooper 1.6L L4 DOHC; 2009 2010 for Mini Cooper 1.6L L4 SOHC.[Part Number]Upstream Oxygen Sensor: 234-5135, 2345135; Downstream Oxygen Sensor: 234-4488, 2344488[Feature]O2 Oxygen Sensors are An Important Component of Fuel and Emission Systems,Can Measure Unburned Oxygen In The Exhaust, Effectively Detecting The Oxygen Content in The Gas and Sending It to The Engine Computer, Optimize Fuel Economy.[Easy Installation]Based On Data, 100% Fit. Upstream is 6 Pin and Downstream is 4 Pin.Plug And Play, Direct Installation Without Modification, Time-Saving And Labor-Saving.Material: ABScolour: blackPackage Contents:2 x Oxygen SensorOnly 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. Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 795 hours Hope you have a pleasant shopping experience!