Principle
Turning on drive-ready state corresponds to
starting the engine.
General information
Some functions, such as DSC Dynamic Stability
Control, can only be used with drive-ready state
switched o
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REPLACING ALTERNATOR BELT PULLEY
Special tools required:
12 7 110
Remove and install alternator drive belt.
Depending on alternator type, grip shaft with:
hexagon socket
multi-tooth socket or
Torx socket wrench
Release nut with special tool 12 7 110.
Installation:
Tightening torque, 12 31 2
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