Genuine BMW Exch Basic Control Unit Smg (Gs35) - 23607582247: Genuine BMW Exch Basic Control Unit Smg (Gs35) - 23607582247 is a genuine OEM part designed for use with BMW vehicles. It is a direct replacement for the original part and helps ensure that the vehicle is running smoothly and efficiently. It is designed to control the SMG transmission system and is compatible with the GS35 model.