Body in White (BIW)

Body in White (BIW) refers to the stage in manufacturing when a vehicle's main structure is assembled, excluding the engine, seats, trim, and other components. It comprises the car's metal framework—doors, roof, floor, and side panels—creating the automotive shell. This stage ensures the vehicle's structural integrity, safety, and readiness for further assembly processes like painting and installing interior parts. BIW is crucial because it forms the foundation of the vehicle's durability and crashworthiness, and it is typically produced using advanced robotic welding and stamping techniques in specialized manufacturing facilities.