5 Series E34 525td (M51) TOUR
Lift out retaining ring and press out piston pin.
Caution!
Piston and piston pin are paired and must not be fitted
individually.
Installation:
Installation of all pistons is described separately from removal.
The assembly sequence differs between removal and installation.
Note:
Before installation, measure piston installation clearance.
Measure piston diameter with micrometer at distance A from the
underside of the piston and at offset angle of 90
°
to piston pin
axis.
Distance A,
refer to Technical Data.
Adjust micrometer on cylinder bore of engine block and set plug
gauge on micrometer to zero. Measure bottom, center and top of
cylinder bore in direction of travel and direction of engine rotation.
Diameter of cylinder bore,
refer to Technical Data.
Piston installation clearance,
refer to Technical Data.
Max. permissible total wear clearance,
refer to Technical Data.
RA Removing and installing or replacing all pistons (M51)
BMW AG - TIS
23.01.2013 06:39
Issue status (12/2007) Valid only until next DVD is issued
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