Principle
The Auto Start/Stop function helps save fuel.
The system switches off the engine during a
stop, for instance in traffic jam or at traffic lights.
Drive-ready state remains switched on. The engine
starts automatically for driving off.
General information
After each engine start using the
As far as the physical appearance and dimensions, the crankcase on the N54 is
the same as the N52. The main
change is in the materials, the N54 uses an all aluminum alloy crankcase. There
is also cast iron cylinder liners
similar to the previous M54 engine.
The reason for using the all aluminum c