BMW 7 Series: Exhaust Catalytic Converter

 Draining And Adding Coolant (N63)

Notes WARNING: Risk of scalding! The repair work on the cooling system should only be carried out on an engine that has cooled down! IMPORTANT: Lifetime coolant filling: Never reuse used coolant! When replacing and removing components which rely on the corrosion protection effect of the coolant, it

 System Overview

Fig. 2: CIC System Block Diagram CIC SYSTEM EXPLANATION CHART Central information display (CID) Car Information Computer (CIC) User interface (BO) Application software Hardware Fig. 3: Bus Overview E9x And E8x (Not Including E83, E85, E86) Model Series, CIC BUS EXPLANATION CHART ACSM - Adv