Where is the transmission fill plug on 2007 BMW 650i?

On a 2007 BMW 650i, the transmission fill plug is located on the side of the transmission. To access it, you may need to raise the vehicle and remove any underbody panels if present. The fill plug is typically a hexagonal bolt, and it's important to ensure the vehicle is level when checking or adding Transmission Fluid. Always refer to the owner’s manual or a repair guide for specific details and procedures.