11 21 Crankshaft main bearing journals
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2021 MINI Cooper, 2020 MINI Cooper, 2019 MINI Cooper, 2018 MINI Cooper, and 2017 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.
B36 ENGINE (COOPER BASE):
CRANKSHAFT WITH BEARING SPECIFICATION
| Grinding stage of the main bearing journal | Main bearing journal/guide bearing tappet | |
| Stage 0 K1 (color blue) | mm | 45.000... 44.996 |
| Stage 0 K2 (color Green) | mm | 44.995... 44.989 |
| Stage 0 K3 (color brown) | mm | 44.988... 44.984 |
| Grinding stage of the main bearing journal | Main bearing journal/guide bearing tappet | |
| Stage 0 K1 (color blue) | mm | 50.000... 49.996 |
| Stage 0 K2 (color Green) | mm | 49.995... 49.989 |
| Stage 0 K3 (color brown) | mm | 49.988... 49.984 |
| Crankshaft bearing clearance, radial | mm | 0.013... 0.023 |
| Crankshaft bearing clearance, axial | mm | 0.060... 0.210 |
| Maximum crankshaft friction coefficient, bearing section bolted | Nm | ≤ 2 |
B46 AND B48 ENGINES (COOPER S AND JCW):
CRANKSHAFT AND BEARINGS SPECIFICATION
| Grinding stage of main bearing journals 1 | Main bearing journal/guide bearing journal | |
| Stage 0 K1 (color blue) | mm | 49.993... 49.989 |
| Stage 0 K2 (color Green) | mm | 49.988... 49.982 |
| Stage 0 K3 (color brown) | mm | 49.981... 49.977 |
| Grinding stage of main bearing journals 2 to 5 | Main bearing journal/guide bearing journal | |
| Stage 0 K1 (color blue) | mm | 50.000... 49.996 |
| Stage 0 K1 (color Green) | mm | 49.995... 49.989 |
| Stage 0 K3 (color brown) | mm | 49.988... 49.984 |
| Grinding stage 1 K1 | mm | not yet enabled |
| Grinding stage 1 K2 | mm | not yet enabled |
| Grinding stage 1 K3 | mm | not yet enabled |
| Grinding stage 2 K1 | mm | not yet enabled |
| Grinding stage 2 K2 | mm | not yet enabled |
| Grinding stage 2 K3 | mm | not yet enabled |
| Crankshaft bearing clearance, radial | mm | 0.023... 0.054 |
| Crankshaft bearing clearance, axial | mm | 0.060... 0.210 |
| Maximum crankshaft friction coefficient, bearing section bolted | Nm | ≤ 2 |