The Genuine BMW Bulb Socket Turn Indicator is a replacement part for a BMW vehicle's turn indicator light. It is designed to securely hold the turn signal bulb in place and connect it to the vehicle's wiring system. This product is made by BMW and is an authentic, high-quality replacement for the original bulb socket. It is compatible with various BMW models and has a part number of 63126940665. This bulb socket is essential for ensuring proper functioning of the turn signal light and maintaining the safety of the vehicle.