The Genuine BMW Tail Light Bulb - 63117359243 is a replacement bulb specifically designed for use in BMW vehicles. It is a high-quality, genuine OEM part that is manufactured to the same specifications as the original bulb in your BMW. This tail light bulb is essential for maintaining proper visibility and safety while driving, as it provides illumination for the rear lights of your vehicle. It is compatible with various BMW models and is easy to install, making it a convenient and reliable choice for replacement bulbs.