3 Series E30 325i (M20) SAL
11 21 Crankshaft and Bearings M20 B 25
Max. crankshaft imbalance (dyn. without flywheel)
gcm
25
Measuring planes:
Centre of bearing journals 1 and 7
Take-up:
With rollers on main bearings 2 and 6
Balancing speed
rpm
400
Max. permissible runout on middle main bearing journal
(crankshaft taken up on outer bearing journals)
mm
0.15
Crankshaft throw
mm
75
±
0,1
Max. surface finish of bearing journals
Rt (
µ
)
1.5
TD Crankshaft and Bearings, M20, B 25
BMW AG - TIS
26.01.2013 13:42
Issue status (12/2007) Valid only until next DVD is issued
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