X Series E53 X5 4.8is (N62-S) OFFRD
Note:
Picture shows a schematic representation.
Installation:
Install piston rings with "TOP" to piston top.
1.
Plain compression ring
2.
Stepped compression ring "Top"
3.
Steel band ring with support spring
Offset the contact points of the piston rings by approx. 120
°
to
each other but do not position above the piston pin boss.
Installation:
Oil control ring comprises two steel band rings (1) and a support
spring (2).
Insert support spring (2) into piston ring groove.
Caution!
Incorrect installation possible.
Contact points of support spring (2) slip very easily over each
other when fitted.
Contact points must be positioned exactly on each other.
If the contact points overlap, the oil scraper ring will be
damaged when the piston is installed.
Then fit steel band rings (1) so that contact joints are offset
approx. 120
°
.
RA Replacing piston rings on all pistons (N62)
BMW AG - TIS
12.02.2013 04:05
Issue status (12/2007) Valid only until next DVD is issued
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