The product is a OEM left rear master lane change sensor for a 2011-2016 BMW 550i 535i F10 model. It is made of aluminum and has a maximum amperage of 12A. The sensor has a pin terminal type and requires no programming for installation. Manufactured by BMW, it comes with a 1-month manufacturer warranty and is a performance part that offers easy installation. This sensor is a genuine part with manufacturer part number 6859179 and is designed for the specified vehicle model and years.