The valvetrain on the N52 introduced in 2006, used 5 mm valve stems on both
the intake and exhaust. To
increase durability, the exhaust valve stems were increased to 6 mm from 6/06
production.
All of the new NG6 engine have adopted the 6 mm valve stem for the exhaust, the
intake stem remains at
Principle
The range indicates the distance that can still be
covered with the current full tank of fuel.
General information
The estimated range available with the remaining
fuel is permanently displayed in the instrument
cluster.
With a low remaining range, a Check Control
message is briefly displ