Adjustment specification
Caution! When installing, always begin with the right-hand cylinder.
Left cylinder = at firing TDC: marks (arrows) on chain sprocket/auxiliary shaft and chainwheel/crankshaft at bottom.
Lock engine at firing TDC by inserting pin, BMW No. 112650, through holes in clutch housing and engine block.
Note: With engine installed, set engine to TDC with dial gauge holder, BMW No. 002650, and dial gauge, BMW No. 002510.
Left cylinder = at firing TDC:
Locating pin (arrow) on left camshaft sprocket is at top.
Mark (arrow) and tip of tooth of left camshaft gear are exactly aligned with mark X on valve gear carrier.
Recheck setting with timing chain tensioner installed.
Install the end cover with O-ring in perfect condition.
Tightening torque: M6 screw — 9 Nm
Adjust the holder for minimum end float.
Rocker end float:
- min — 0.05 mm (0.002 in)
- max — 0.40 mm (0.016 in)
Install cylinder head cover.
Caution! Make sure that gaskets are correctly seated. Gaskets and sealing faces must be free from oil and grease.
Tightening torque: Cover screw — 9 Nm
Secure air intake stub pipe.
Tightening torque: M6 screw — 9 Nm