Technical description
📄 System overview (B204i/L/E/R)
📄 Main components, radiator fan system
📄 Main components, radiator fan system (B235R)
📄 Coolant
📄 System overview, radiator fan system, 1-speed
📄 System overview, radiator fan system, 2-speed
📄 System overview, radiator fan system, 1-speed (B235R)