X Series E53 X5 3.0d (M57TU) OFFRD
11 25 671
Removing piston rings on all pistons (M57TU)
Necessary preliminary tasks:
•
Remove pistons.
Remove piston rings with piston ring 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:
Install piston rings with "TOP" to piston top.
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.
Refer to Technical Data.
RA Removing piston rings on all pistons (M57TU)
BMW AG - TIS
05.02.2013 02:49
Issue status (12/2007) Valid only until next DVD is issued
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