Window safety
switch
Power windows
Exterior mirror adjustment button
Central locking system
Unlocking
Locking
Seating comfort features
Front passenger seat
functionality
Memo
Control Display
Hazard warning system
Intelligent Safety
Ventilation
Glove compartment
Automatic climate control
Radio/multimedia, see Owner's Manual for
Navigation, Entertainment, and Comm
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