X Series E83 X3 2.5Si (N52K) OFFRD
11 21 Crankshaft and Bearings N52K B25
Ground sizes of main bearing journals
main bearing journal
Original (designation S1)
mm
55.998...55.993
Original (designation S2)
mm
55.992...55.987
Original (designation S3)
mm
55.986...55.981
Grinding stage 1 (designation B1)
mm
55.748...55.742
Grinding stage 1 (designation B2)
mm
55.742...55.737
Grinding stage 1 (designation B3)
mm
55.737...55.731
Grinding stage 2 (designation C1)
mm
55.498...55.492
Grinding stage 2 (designation C2)
mm
55.492...55.487
Grinding stage 2 (designation C3)
mm
55.487...55.481
Crankshaft bearing clearance, radial
mm
0.020...0.046
Max. permitted runout at centre crankshaft journal
mm
0.150
TD Crankshaft and Bearings N52K / B25
BMW AG - TIS
12.02.2013 03:06
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 1 -
