bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

40 Oil Supply > < 1 RA Removing And Installing Or Replacing VANOS Adjustment Unit (M52_S52)|Page 488
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11 36 550

Checking/replacing 4/2-way valve for VANOS
(M52/S52)

Switch off ignition.

Remove plug connection from VANOS adjustment unit.

Removing VANOS solenoid valve.

Installation:

Replace seal.

Tightening torque,

refer to Technical Data 11 36 1AZ

Move valve tappet back and forth: tappet must move freely.

Move plunger of hydraulic piston back and forth. Must be possible
to move hydraulic piston easily.

If hydraulic pistons prove difficult to move, the complete VANOS
adjustment unit must be replaced.

RA  Checking/replacing 4/2-way valve for VANOS (M52/S52)

BMW AG - TIS

09.02.2013  13:52

Issue status (12/2007) Valid only until next DVD is issued

Copyright

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40 Oil Supply > < 1 RA Removing And Installing Or Replacing VANOS Adjustment Unit (M52_S52)|Page 488