BMW D7 - Page 23

T
able: Repair data for crankshaft
18
Repair Data for Crankshaft
Crankshaft Dimension
D7 nominal
values
Max. allowable
wear (mm)
Remarks
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
mm

mm
mm
RC
mm
mm
mm
mm
mm
mm
42.0
0.3
33.0
3.0
50-55
1.1-1.5
29.0
28.0
22.0
0.5
0.3-0.4
Total play 0.15 max
Grinding finish see
page 17
Max allowable crank pin
out-of-round 0.05mm
Hardness at least
48 RC
-0.060
-0.070
+0.068
0
+0.021
0
-0.020
-0.041
+0.048
+0.035