Orientation
The fastest way to find information on a particular
topic is by using the index.
An initial overview of the vehicle is provided in
the first chapter.
Validity of the Owner's Manual
Production of the vehicle
At the time of production at the plant, the printed
Owner's Manual is the most c
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