BMW D7 Workshop Manual page 23

Table: Repair data for crankshaft
Crankshaft Dimension
Crank pin dia
End float
Crankshaft crank
pin width
Radii on crank pin
Hardness of crank
pin
Depth of hardening
of crank pin
Diameter of ball
hub (regulator)
Diameter of ball
sleeve
Diameter of gear
on crankshaft
Regrinding of
crankpin
Axial play
Repair Data for Crankshaft
D7 nominal
values
-0.060
mm 42.0
-0.070
0.3
+0.068
mm 33.0
0
mm 3.0
RC 50-55
mm 1.1-1.5
+0.021
mm 29.0
0
mm 28.0
-0.020
-0.041
+0.048
mm 22.0
+0.035
mm 0.5
mm 0.3-0.4
Max. allowable
Remarks
wear (mm)
Total play 0.15 max Max allowable crank pin
out-of-round 0.05mm
Grinding finish see Hardness at least
page 17 48 RC
18