11 21 Crankshaft and Bearings M54
WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.
CRANKSHAFT AND BEARINGS M54 TECHNICAL SPECIFICATION
| Ground sizes of main bearing journals | ..... | ..... |
|---|---|---|
| Standard yellow | mm | 59.984 ... 59.990 |
| Standard green | mm | 59.977 ... 59.983 |
| Standard white | mm | 59.971 ... 59.976 |
| Undersize 1 (U 0.25) yellow | mm | 59.734 ... 59.740 |
| Undersize 1 (U 0.25) green | mm | 59.727 ... 59.733 |
| Undersize 1 (U 0.25) white | mm | 59.721 ... 59.726 |
| Undersize 2 (U 0.50) yellow | mm | 59.484 ... 59.490 |
| Undersize 2 (U 0.50) green | mm | 59.477 ... 59.483 |
| Undersize 2 (U 0.50) white | mm | 59.471 ... 59.476 |
| Crankshaft bearing clearance, radial | mm | 0.020 ... 0.058 |
CRANKSHAFT AND BEARINGS M54 TECHNICAL SPECIFICATION
| 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 | 0.080 ... 0.163 |
| Ground sizes of conrod bearing journals | ..... | ..... |
| Standard | mm | 45.00 -0.009-0.025 |
| Size 1 | mm | 44.75 -0.009-0.025 |
| Size 2 | mm | 44.50 -0.009-0.025 |
| Radial conrod bearing play | mm | 0.020 ... 0.055 |
| Max. permissible runout on center main bearing journal (crankshaft at outer bearing journal recorded) |
mm | 0.20 |