BMW 5251 Service Manual page 143

- 7
Cylinder Head Removal and lnstallat~on
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Remove chain and sprockets from tool and slide sprockets
on camshafts. Confirm that gap in intake sprocket splines
lines up with corresponding gap in camshaft splines (arrow).
CAUTIOI\C
Do not alter position of sprockets with respect to chain when
removing from special tool 11 6 180.
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Align locating tooth of splined shaft with gaps on camshaft
and sprocket. Slide splined shaft onto intake camshaft until
approx. 1 mm (0.04 in) of splines (arrows) are visible.
4
Install intake camshafl spring plate so that FRONT mark is
visible. Install mounting nuts (arrows) finger tight.
Insert sprocket mounting bolts (arrows) on exhaust side
camshaft assembly.
Initially tighten to approx. 5 Nm (44 in-lb) and then back off
by half a turn.