Safety information
Warning
Loose objects or devices with a cable connection
to the vehicle, for instance mobile phones,
can be thrown about the car's interior while
driving, for instance in the event of an accident,
braking or evasive maneuver. There is a risk of
injury. Secure loose objects or devi
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