3 Series E46 330d (M57) TOUR
11 25 671
Replacing piston rings on all pistons (M57)
(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.
Installation:
Insert piston rings with the word "TOP" facing piston crown.
1.
Twin-sided keystone
2.
Oil scraper ring
3.
Beveled roof ring with rubber-lined spring
Arrange piston ring contact points with offset of approx. 120
°
to
one another, but not over piston pin eye.
Measure axial play.
Axial play,
refer to Technical Data.
RA Replacing piston rings on all pistons (M57)
BMW AG - TIS
15.02.2013 09:35
Issue status (12/2007) Valid only until next DVD is issued
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