11 21 Crankshaft and Bearings N52K B30
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. However, it is still accessible from the selected car via links, so may be relevant.
CRANKSHAFT AND BEARINGS 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 centre crankshaft journal | mm | 0.150 |
CRANKSHAFT AND BEARINGS SPECIFICATION
| Grinding stages, crankshaft guide bearing | ||
| Standard | mm | 24.0 F8 |
| Crankshaft axial play | mm | 0.060... 0.250 |
CRANKSHAFT AND BEARINGS SPECIFICATION
| Ground sizes of conrod bearing journals | ||
| Standard | mm | 50.000-0.007-0.027 |
| Radial conrod bearing play | mm | 0.025... 0.070 |
CRANKSHAFT AND BEARINGS 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 |
| Grinding stage 1 (designation B1) | mm | 64.748...64.742 |
| Grinding stage 1 (designation B2) | mm | 64.742...64.737 |
| Grinding stage 1 (designation B3) | mm | 64.737...64.731 |
| Grinding stage 2 (designation C1) | mm | 64.498...64.492 |
| Grinding stage 2 (designation C2) | mm | 64.492...64.487 |
| Grinding stage 2 (designation C3) | mm | 64.487...64.481 |
| Crankshaft bearing clearance, radial | mm | 0.020...0.046 |
| Max. permitted runout at centre crankshaft journal | mm | 0.150 |