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Head Gasket
The head gasket design on the N54 is unique to that engine.
It features a multi-layer steel design. There is no silicone rubber perimeter
"shelf" as on the N52. This is not
needed due to the aluminum block on the N54.
The N52KP and N51 engines are still using the head gasket that is f
Principle
In the valet parking mode, the Control Display is
disabled. The operation via iDrive is no longer
possible.
E.g., this mode can be used when the vehicle is
handed over for valet parking.
General information
In the valet parking mode, it is not possible to
change vehicle settings via iDriv