7 Series E38 740iL (M62) SAL
11 25 671
Replacing piston rings on all pistons (M62)
(Piston removed)
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.
New pistons may only be installed together with new piston
rings.
Installation:
Insert piston rings with the word "TOP" facing piston crown.
(1)
Plain compression ring
(2)
Stepped taper-face ring "TOP"
(3)
Three-piece steel band ring
Arrange piston ring contact points with offset of approx. 120
°
to
one another, but not over piston pin eye.
End float,
refer to Technical Data
RA Replacing piston rings on all pistons (M62)
BMW AG - TIS
17.02.2013 15:42
Issue status (12/2007) Valid only until next DVD is issued
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