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
Although, the N54 engine has an all aluminum crankcase, many of the bolts are
still aluminum as on the N52.
This is to reduce any potential confusion between steel and aluminum bolts.
Some bolts, for example, are steel
such as the cylinder head cover bolts. This is possible, due to the plastic
cy