BMW 1999-2005 M3 Service Manual page 188

Cylinder Head Removal and Installation
6 of 21
http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/1...
Rotate camshafts so that intake and
exhaust lobes for cylinder 1 face each
other (arrows).
CAUTION!
Be sure that crankshaft is still
positioned at least 30° back from
TDC.
Place bearing caps on cams, but
-
do not install retaining nuts.
Fit BMW special tools 11 3 260 (A) and
11 3 270 (B) to cylinder head over
intake camshaft and screw long bolts
(arrows) into spark plug threads.
CAUTION!
Do not overtighten bolts into spark
plug holes.
Turn eccentric shaft of special tool to
pretension bearing caps. Install and
torque nuts on intake camshaft bearing
caps.
Tightening torque
Camshaft bearing
cap to cylinder
head (M7)
- Release tension on eccentric shaft
and remove BMW special tool 11 3
260/270.
14 Nm (10 ft-lb)
2/25/2009 9:42 PM