Engine Specs -S65/S85 Main Bearings
Main Bearings Dimensions
| Crankshaft Main Journals & Bearings | Metric Dimensions | SAE (Inch) Dimensions |
|---|---|---|
| Main Journal Dimensions | 59.9800 mm | 2.36142 inch |
| Main Journal Variance | 59.9744 - 59.9834 mm | 2.36120 - 2.36155 inch |
| Bed plate + Bearing Dimensions | 60.01650 mm | 2.36285 inch |
| Bed Plate + Bearing Variance | 60.0125 - 60.0202 mm | 2.36270 - 2.36300 inch |
| Nominal Main Bearing Clearance | 0.03650 mm | 0.00144 inch |
| Bearing Clearance Variance | 0.0291 - 0.0458 mm | 0.00115 - 0.00180 inch |
Main Bearing Part Numbers
Main Bearing History
| BMW Part Number | Description | Location | Color | Standard Size Bearings | Application | Prod. Start | Prod. End | Superceded By |
|---|---|---|---|---|---|---|---|---|
| 11 21 7 836 532 | Main Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50 | Sep-04 | Feb-08 | 11 21 7 841 489 |
| 11 21 7 836 517 | Main Guide Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50 | Sep-04 | Feb-08 | 11 21 7 841 499 |
| 11 21 7 836 539 | Main Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50 | Sep-04 | Feb-08 | 11 21 7 841 484 |
| 11 21 7 836 524 | Main Guide Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50 | Sep-04 | Feb-08 | 11 21 7 841 494 |
| 11 21 7 841 489 | Main Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Sep-07 | Jul-11 | 11 21 7 841 610 |
| 11 21 7 841 499 | Main Guide Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Sep-07 | Dec-08 | 11 21 7 841 618 |
| 11 21 7 841 484 | Main Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Sep-07 | Apr-11 | 11 21 7 841 606 |
| 11 21 7 841 494 | Main Guide Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Sep-07 | Jan-09 | 11 21 7 841 614 |
| 11 21 7 841 610 | Main Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Nov-08 | Present | |
| 11 21 7 841 618 | Main Guide Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Dec-08 | Present | |
| 11 21 7 841 606 | Main Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Nov-08 | Present | |
| 11 21 7 841 614 | Main Guide Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Nov-08 | Present |