General information
The vehicle contains advanced technologies for
the reduction of consumption and emission values.
The fuel consumption depends on various factors,
such as driving style, road condi
Principle
ECO PRO supports a driving style that saves on
consumption. For this purpose, the engine control
and comfort features, for instance the climate
control output, are adjusted.
Steptronic tran
Principle
Under certain conditions the engine is automatically
decoupled from the transmission in the D
selector lever position. The vehicle continues
traveling with the engine idling to reduce consum
Cooling System
The cooling system of the N54 engine consists of a radiator circuit and an
isolated oil cooling circuit. The fact
that there is an isolated oil-cooling circuit ensures that heat is not
introduced via the engine oil into the engine's
coolant system.
Fig. 71: Identifying Cooling S
Read contents of Body, General.
Remove or cover those vehicle components in the repair area which are
susceptible to heat or dust.
Use only approved spot-welding apparatus for repairs.
Place vehicle on straightening bench.
Necessary preliminary tasks:
Replace left support carrier.
Following