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
There are three "Golden Rules" to adhere to when diagnosing concerns on the
N54 engine:
1. When diagnosing cases of smoke from the exhaust, it is important to avoid
unnecessary replacement of
the turbochargers. Smoke can be caused by oil consumption such as the crankcase
ventilation system.
Alwa