5 Series E39 523i (M52TU) SAL
![background image](/bmw/5_Series_E39/523i_M52TU_SAL/page-319009.png)
Important!
Cylinder for chain tensioning piston is under spring pressure.
Remove cylinder for chain tensioning piston.
Insert special tool 11 4 220 in cylinder head and bring
adjustment screw into contact with tensioning rail.
Preload tensioning rail with special tool 11 4 220 by rotating
adjusting screw with special tool 00 9 250 or standard torque
wrench to 0.7 Nm.
Pull special tool 11 2 300 back until flywheel is no longer
secured in position.
RA Removing and installing or replacing double VANOS adjustment unit (M52TU / M54 /
BMW AG - TIS
14.02.2013 11:59
Issue status (12/2007) Valid only until next DVD is issued
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