3 Series E92 320d (N47) COUPE
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 gudgeon pin.
Distance A,
refer to Technical Data.
Adjust micrometer to cylinder bore of engine block. Set internal
calliper on micrometer to zero. Measure bottom, centre and top of
cylinder bore in direction of travel and direction of engine rotation.
Diameter of the cylinder bore,
Technical Data.
Piston installation clearance,
Technical Data.
Permitted total wear clearance,
Technical Data.
Warning!
Protective goggles must be worn.
Fit gudgeon pin retaining ring (1) in
connecting rod at the piston.
Important!
Piston and gudgeon pin are matched to each other.
They must not be mixed up.
Install snap ring so that opening is opposite recess.
RA Removing and installing/replacing all pistons (N47, N47S)
BMW AG - TIS
21.01.2013 02:00
Issue status (12/2007) Valid only until next DVD is issued
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