The Genuine BMW Turn Signal Light Bulb - 63117339056 is a replacement bulb for the turn signal light on BMW vehicles. It is a genuine OEM part, ensuring high quality and compatibility with the vehicle. This bulb is designed to provide bright and clear lighting for signaling purposes while driving. It is easy to install and meets all safety and performance standards set by BMW. This turn signal light bulb is a reliable and durable option for maintaining the proper function of your BMW's turn signals.