BMW 5251 Service Manual page 224

1 16-48
/Cylinder Head and Valvetrain
Cylinders 1-4
11 2 445 1 1 2441
4
Secure camshafts in TDC position using BMW special tools:
Align camshafts with open-end 27 mm wrench so BMW
special tools fit on cylinder heads without gaps. Secure
tool using number 4 cylinder spark plug hole.
Do not damage the cylinder head. If necessa& machine
open-end wrench to fit.
Left side (cyl. 5-8) camshafts, installing (M62 engine)
4
Camshafts are marked for location at rear. Install camshafts
into camshaft bearing saddles of cylinder heads, noting the
following:
Intake camshaft for left cylinder head (5-8) is labelled
E 518.
Exhaust camshaft for left cylinder head (5-8) is labelled
A 518.
4
Rotate camshafts so that recesses in intake and exhaust
camshafts point downward 30 to 40" (arrows) from cylinder
head cover sealing surface.