7 Series E38 750iL (M73) SAL
11 25 Pistons with rings and pins M73 B 54
1st groove (plain compression ring)
End clearance
mm
0.15 ... 0.35
End float
mm
0.020 ... 0.055
2nd groove (taper face ring)
End clearance
mm
0.20 ... 0.40
End float
mm
0.020 ... 0.055
3rd groove (three piece steel band ring)
x
End clearance of fins
mm
0.40 ... 1.40
End float
mm
does not have to be measured
TD Pistons with rings and pins, M73, B 54
BMW AG - TIS
21.02.2013 07:37
Issue status (12/2007) Valid only until next DVD is issued
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