3 Series E36 M roadst (S50) ROADST
11 25 671
Replacing piston rings for all pistons (S50)
(pistons removed)
Remove piston rings with piston ring compressing pliers.
Note:
It might not be possible to find the identification mark on used
piston rings.
Lay piston rings aside in correct sequence and installed
position.
Always fit new pistons in conjunction with new piston rings.
Installation note:
Install piston rings with the word "TOP" facing the piston base.
1.
Rectangular ring
2.
Tips - minute ring "Top"
(note installation position)
3.
Slotted oil ring with hose spring clip
Arrange piston ring contact points offset at approx. 120
°
to one
another, but not over the piston pin lug.
Measure axial play, refer to Technical Data
Measure end clearance, refer to Technical Data
RA Replacing piston rings for all pistons (S50) (pistons removed)
BMW AG - TIS
09.02.2013 19:05
Issue status (12/2007) Valid only until next DVD is issued
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