The Genuine BMW Additional Turn Indicator Lamp Left is a replacement turn signal light designed for BMW vehicles. It is part number 63137303243 and is specifically made for the left side of the vehicle. This lamp is an authentic BMW product and is designed to meet the same high-quality standards as the original factory-installed part. It is made from durable materials and is designed to provide reliable and long-lasting performance. This turn indicator lamp is an essential component for ensuring safe and legal operation of the vehicle, and is an ideal choice for replacing a damaged or malfunctioning turn signal light.