3 Series E46 318d (M47TU) SAL
11 25 671
Replacing piston rings on all pistons (M47 /
M47TU)
(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:
Install piston rings with "TOP" to piston top.
1.
Twin-sided keystone
2.
Taper face compression ring
3.
Beveled roof ring with rubber-lined spring
Offset the contact points of the piston rings by approx. 120
°
to
each other but do not position above the piston pin boss.
Measure axial play.
Axial clearance.
RA Replacing piston rings on all pistons (M47 / M47TU)
BMW AG - TIS
11.02.2013 13:16
Issue status (12/2007) Valid only until next DVD is issued
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