3 Series E92 M3 (S65) COUPE
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Replacing piston rings on all pistons (S65)
Necessary preliminary tasks:
•
Removing all pistons
Remove piston rings with a piston-ring compressing pliers.
Note:
It might not be possible to find the identification on used piston
rings.
Put aside piston rings in correct sequence and installation
position.
Installation:
Piston rings marked with "R" must point to piston crown.
Groove (2), plain compression ring.
Groove (3), stepped ring.
Groove (4), bevel-edged oil control ring.
Piston ring (1), bevel-edged oil control ring.
Piston ring (2), stepped ring.
Piston ring (3), plain compression ring.
RA Replacing piston rings on all pistons (S65)
BMW AG - TIS
21.02.2013 18:24
Issue status (12/2007) Valid only until next DVD is issued
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