11 21 Crankshaft and Bearings S54
WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
CRANKSHAFT AND BEARINGS S54 SPECIFICATIONS
| Standard | mm | 49.00 -0.009-0.025 |
| Size 1 | mm | 48.75 -0.009-0.025 |
| Size 2 | mm | 48.50-0.009-0.025 |
| Radial conrod bearing play | mm | 0.030 ... 0.070 |
CRANKSHAFT AND BEARINGS S54 SPECIFICATIONS
| Ground sizes of main bearing journals | Bearing point 1 | |
| Standard yellow | mm | 59.964 +0.006 |
| Standard green | mm | 59.957 +0.006 +0 006 |
| Standard white | mm | 59.951 +0.005 +0.005 |
| Undersize 1 (U 0.25) yellow | mm | 59.714 +0.006 |
| Undersize 1 (U 0.25) green | mm | 59.707 +0.006 |
| Undersize 1 (U 0.25) white | mm | 59.701 +0.005 |
| Undersize 2 (U 0.50) yellow | mm | 59.464 +0.006 |
| Undersize 2 (U 0.50) green | mm | 59.457 +0.006 |
| Undersize 2 (U 0.50) white | mm | 59.451 +0.005 |
| Crankshaft bearing clearance, radial | mm | 0.019... 0.052 |
CRANKSHAFT AND BEARINGS S54 SPECIFICATIONS
| Ground sizes of main bearing journals | Bearing points 2 to 7 | |
| Standard yellow | mm | 59.984 +0.006 +0 006 |
| Standard green | mm | 59.977 +0.006 +0 006 |
| Standard white | mm | 59.971 +0.005 +0.005 |
| Undersize 1 (U 0.25) yellow | mm | 59.734 +0.006 |
| Undersize 1 (U 0.25) green | mm | 59.727 +0.006 |
| Undersize 1 (U 0.25) white | mm | 59.721 +0.005 |
| Undersize 2 (U 0.50) yellow | mm | 59.484 +0.006 |
| Undersize 2 (U 0.50) green | mm | 59.477 +0.006 |
| Undersize 2 (U 0.50) white | mm | 59.471 +0.006 |
| Crankshaft bearing clearance, radial | mm | 0.019... 0.052 |
CRANKSHAFT AND BEARINGS S54 SPECIFICATIONS
| Grinding stages, crankshaft guide bearing | ||
| Standard | mm | 25.0 F8 |
| Size 1 | mm | 25.2 F8 |
| Size 2 | mm | 25.4 F8 |
| Crankshaft axial play | mm | 0.141 ... 0.253 |