5 Series E34 518g (M43) TOUR
Installation
Installation of pistons is described separately from removal.
Assembly sequence for removal and installation is different.
If necessary, replace connecting rods.
Spare connecting rods can only be obtained in complete sets.
It should be possible to press piston pin into bush by hand using
only slight pressure. Clearance should then be minimal.
Before installation, measure piston installation clearance. Measure
piston diameter with micrometer at measuring point A from bottom
edge of piston and offset at 90
°
to the axis of the piston pin.
Measuring point 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.
Permissible total wear tolerance,
refer to Technical Data.
RA Removing and installing or replacing all pistons (M43 / M43TU)
BMW AG - TIS
15.01.2013 12:34
Issue status (12/2007) Valid only until next DVD is issued
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