Install cylinder head gasket.
Fit cylinder head and insert correctly positione camshaft chain sprocket (1) and timing chain in chain cavity.
Install valve gear carrier (2).
Tighten cylinder head securing screws and nu
Caution: Install cylinder head nuts with collar (arrow) towar cylinder head.
Tightening torque/tightening sequence:
- 1. Tighten cylinder head nuts (oiled) in diagonal opposite sequence
- 1.1 Tighten all nuts — 20 N
- 1.2 Tighten all nuts to correct angle9
- 1.3 Tighten all nuts to correct angle9
- 2. M10 screw — 40 N
- 3. M6 screw — 9 N
Tightening torque:
After 1,000 km (600 miles), tighten cylinder head nuts in diagonally opposite sequence
- 1. Slacken one nut
- 2. Tighten nut to initial torque — 20 N
- 3. Tighten nut to wrench angle — 180°
- 4. Slacken and retighten M10 screw — 40 N
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.
Tightening torque: Camshaft sprocket retaining screw — 65 Nm
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 in accordance with adjustment specification.
Tightening torque: Chain tensioner — 32 Nm