11.58
11 12 090 Installing cylinder head
•
Install cylinder head gasket.
•
Fit cylinder head and insert correctly positioned
camshaft chain sprocket (1) and timing chain into
chain cavity.
•
Install valve gear carrier (2).
e Attention:
Install cylinder head nuts with collar arrow toward
cylinder head.
•
Tighten cylinder head.
X Tightening torque/tightening order:
1. Tighten cylinder head nuts (oiled) in diagonally
opposite sequence
1.1 Tighten all nuts to................................... 20 Nm
1.2 Tighten all nuts an additional ...................... 90°
1.3 Tighten all nuts a further.............................. 90°
2. M 10 screw ............................................ 40 Nm
3. M 6 screw ................................................ 9 Nm
X Tightening torque:
After 1,000 km (600 miles),
tighten cylinder head nuts in diagonally opposite se-
quence
1. Slacken one nut
2. Tighten nut to initial torque of.................. 20 Nm
3. Tighten nut an additional........................... 180°
4. Loosen/tighten M 10 screw..................... 40 Nm
•
Fit camshaft chain sprocket in accordance with
adjustment specification.
•
Install locking device, BMW No. 11 5 640, to
lock clutch housing.
•
Tighten camshaft chain sprocket.
•
Insert the left-side camshaft sprocket with pin
into the camshaft and set the left cylinder to
firing TDC.
•
Fit camshaft chain sprocket in accordance with
adjustment specification.
•
Tighten camshaft chain sprocket.
•
Install chain tensioner.
•
Check that marks on camshaft sprockets are
aligned as specified.
X Tightening torque:
Chain tensioner............................................ 32 Nm
Camshaft sprocket fastener ......................... 65 Nm
S110130
M6 x 30
M6 x 30
M6 x 30
M6 x 60
2
1
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