One of the major changes on the new NG6 engines is that the crankcase
ventilation system has been upgraded
and improved. This applies to all of the new NG6 versions (N52KP, N51 and N54).
There are two distinct versions of crankcase ventilation. One type is unique to
the N54 and the other applies
IMPORTANT: Only repair those cables which show visible signs of damage.
In the event of
visible damage, make sure there is only one cable repair in effect after the
repair work. If no visible damage can be identified, the entire cable must be
replaced. When carrying out repairs to the airbag wiring