3 Series E30 325i (M20) SAL
11 25 Pistons with Rings and Pins M20 B 20, B 25
1st Groove (plain compression ring)
End clearance
mm
0.2 ... 0.5
Side clearance
mm
0.04... 0.08
2nd Groove (taper face ring)
End clearance
mm
0.2 ... 0.5
Side clearance
mm
0.03 ... 0.07
3rd Groove (bevelled edge oil scraper ring)
End clearance
mm
0.2 ... 0.5
Side clearance
mm
0.02 ... 0.05
TD Pistons with Rings and Pins, M20, B 20, B 25
BMW AG - TIS
26.01.2013 13:44
Issue status (12/2007) Valid only until next DVD is issued
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