For BMW 550i GT 2010-2017 Car Lambda Sensing Unit Upstream Oxygen Sensor 0258017187

Compatibility：For 550i GT 2010 2011 2012 2013 2014 2015 2016 2017 Features: This oxygen sensor is manufactured from reliable materials and operates normally in damp environments and during the rainy season; changes in humidity do not affect its detection accuracy or the stability of its signal output. Function: The oxygen sensor also plays a role in the engine start-stop system, helping the engine to quickly resume closed-loop control after restarting and reducing the increase in emissions during the start-stop process. Please note: Before purchasing, please check that the make, model, year and engine type of your vehicle match those listed, to avoid installation failures due to incompatible specifications. After-sales service: Should you encounter any issues whilst using the product, please let us know and we will provide a solution without delay.