5 Series E61 525xi (N52) TOUR
Determine gap with a feeler gauge.
Note:
Schematic representation of piston rings.
Installation:
Piston rings with "TOP" identification must point to piston crown.
1.
Plain compression ring
2.
Stepped compression ring "Top"
3.
Two-part oil scraper ring
Note:
Oil control ring comprises two steel band rings (1) and a support
spring (2).
Installation:
Insert support spring (2) into piston ring groove and then fit steel
band rings (1) so that contact points are offset by approx. 120
°
.
Offset the contact points (1) of the piston rings by approx. 120
°
to
each other but do not position above the piston pin boss.
Note:
See illustration.
RA Replacing piston rings on all pistons (N52)
BMW AG - TIS
17.02.2013 18:43
Issue status (12/2007) Valid only until next DVD is issued
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