BMW X5: Electronic Switching On Or Control Unit

 Air Intake Ducting

With regard to the N54 engine, the air intake ducting plays a significant role due to the requirements of a turbocharged engine. In principle, the energy of the escaping exhaust gases is utilized to "pre-compress" the inducted fresh air and thus introduce a greater air mass into the engine. This

 System Wiring Diagrams

ANTI-THEFT Fig. 1: Access/Start Circuit (1 of 3) Fig. 2: Access/Start Circuit (2 of 3) Fig. 3: Access/Start Circuit (3 of 3) Fig. 4: Anti-theft & Central Locking Circuit (1 of 2) Fig. 5: Anti-theft & Central Locking Circuit (2 of 2) BODY CONTROL MODULES Fig. 6: Body Control Modules Cir