download Note: Components depicted here correspond to cylinder bank 1. They are
different only as a mirror image of components for cylinder bank 2. 1 –
Connecting hose On vehicles with engine code BWF To crankcase
ventilation valve Ensure seated tightly 2 – Sealing sleeve On
vehicles with engine code BWF Replace if damaged Ensure seated tightly
3 – Bracket On vehicles with engine code BWF For intake hose between
air filter and intake manifold flap 4 – Acoustic cover For vehicles
with engine code BWF 5 – Cylinder head cover On vehicles with engine
code BWF Always clean sealing surfaces of cylinder head cover with a
clean cloth before setting in place Replace seal together with cylinder
head cover if damaged or leaking Observe tightening sequence of bolts
6 – Acoustic cover For vehicles with engine code BKW 7 – Cylinder
head cover For vehicles with engine code BKW
Always clean sealing
surfaces of cylinder head cover with a clean cloth before setting in
place Replace seal together with cylinder head cover if damaged or
leaking Observe tightening sequence of bolts 8 – 20 Nm Between
control housing and cylinder head 9 – Cylinder head gasket Replace
Install new seal of the same strength Imprint of replacement part
numbers – A – must be readable After replacing replace entire amount of
coolant 10 – Cylinder head Removing and installing 11 – Cylinder head
bolt Replace Observe sequence for loosening and tightening head,
removing and installing 12 – Sealing sleeve For vehicles with engine
code BKW Replace if damaged Check for secure seating 13 – Connection
piece For vehicles with engine code BKW To crankcase ventilation valve
Check for secure seating Cylinder heads, removing and installing