11 21 Crankshaft And Bearings N54 B30
WARNING: This page is about a different car, the 2010 BMW X6, 2009 BMW X6, and 2008 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
CRANKSHAFT AND BEARINGS N54 B30-SPECIFICATION
| 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 |
| Crankshaft bearing clearance, radial | mm | 0.020...0.046 |
| Max. permitted runout at center crankshaft journal | mm | 0.15 |
CRANKSHAFT AND BEARINGS N54 B30-SPECIFICATION
| Ground sizes of main bearing journals | Guide bearing journal | |
| Original (designation S1) | mm | 64.998...64.993 |
| Original (designation S2) | mm | 64.992...64.987 |
| Original (designation S3) | mm | 64.986...64.981 |
| Crankshaft bearing clearance, radial | mm | 0.020...0.046 |
| Max. permitted runout at center crankshaft journal | mm | 0.15 |
CRANKSHAFT AND BEARINGS N54 B30-SPECIFICATION
| Grinding stages, crankshaft guide bearing | ||
| Standard | mm | 24.0 F8 |
| Size 1 | mm | 24.2 F8 |
| Size 2 | mm | 24.4 F8 |
| Crankshaft axial play | mm | 0.060...0.250 |