The turbocharger is driven by the engine's exhaust gases, i.e. exhaust gases
under pressure are routed by the turbocharger turbine and in this way delivers
the motive force to the compressor, which rotates on the same
shaft.
It is here that the induction air is precompressed in such a way that a
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