We strive to ship within 24 hours of purchase. We will ship within 48 hours at the latest. F25 X3 Tail Lamp Circuit Board Module Set of 2 Brake Lamp Tail Light Replacement Custom Genuine Compatible Parts. Use these as spares for quick replacement, or to fix performance degradation due to aging. Replacing only one side is not a problem, but the lifespan of the parts is usually the same, so replacing both left and right sides at the same time is recommended for peace of mind. [Product Specifications] [Compatibility] F25 X3 2011-2017 Compatible with: BMW F25 X3 2011-2017 All grades Please be sure to check the image description and profile before purchasing. In the unlikely event that there are any problems with the product that are not reported, please be sure to report them before giving a rating. We will respond appropriately to returns, exchanges, and cancellations, so thank you for your understanding.