X Series E53 X5 4.4i (M62) OFFRD
Installation
Installation of pistons is described separately from removal. The
assembly sequence for removal and installation is different.
If necessary, replace connecting rods.
Note:
The conrods can also be replaced individually.
The piston pin must be able to be pressed through the liner by
hand with little force and must not display any significant play.
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.
Adjust micrometer to cylinder bore of engine block, set internal
caliper 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.
Piston installation clearance.
Total permissible wear tolerance.
RA Removing and installing / replacing all pistons (M62)
BMW AG - TIS
08.02.2013 01:57
Issue status (12/2007) Valid only until next DVD is issued
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