Photo shown for illustration; shade and shape may differ slightly.
ACL Main Bearing Set for BMW M40B16, M40B18, M42B18, M43B16, M43B18, M43B19, M44B19 316, 318, Z3, Size 0.25
Warehouse stock
ACL Race Series main bearing set for the BMW M40B16, M40B18, M42B18, M43B16, M43B18, M43B19, M44B19 316, 318, Z3 engine, size 0.25: for journals ground 0.25 mm under the factory size.
Specifications
| Manufacturer | ACL |
| Series | Race Series |
| Type | Main bearings (crankshaft) |
| Engine | BMW M40B16, M40B18, M42B18, M43B16, M43B18, M43B19, M44B19 316, 318, Z3 |
| Size | 0.25 |
| ACL part number | 5M1538H-0.25 |
| Packaging | Set sealed by the manufacturer |
Engine fitment
- BMW M40B16, M40B18, M42B18, M43B16, M43B18, M43B19, M44B19 316, 318, Z3
- For the same engine: ACL rod bearings
What to check
- Choose the size from the journal measurement made by the shop that machined the crankshaft, not from the old set
- The set is sold sealed by the manufacturer: check the part number and the size before you open it