Description
Restore the refinement, power, and reliability of your BMW with this professionally rebuilt B57D30A 3.0 diesel reconditioned engine, supplied with a complete professional Supply & Fit service. Suitable for the BMW 730d and other compatible BMW models, this engine replacement solution is ideal for vehicles experiencing turbocharger issues, injector faults, oil pressure problems, excessive smoke, overheating, loss of compression, timing-related wear, or complete engine failure.
The BMW B57D30A is part of BMW’s highly regarded modular B-series diesel engine family. Featuring advanced common-rail fuel injection technology, an aluminium engine construction, and turbocharged performance, the B57 delivers excellent fuel economy, smooth power delivery, and strong torque output while meeting modern Euro 6 emissions standards. Depending on specification, power outputs range from approximately 265hp to 340hp with torque figures reaching up to 700Nm.
Every engine undergoes a complete strip-down and detailed inspection by experienced BMW engine specialists. The cylinder block, crankshaft, pistons, connecting rods, cylinder head, camshafts, turbocharger assembly, fuel injection system, oil pump, timing components, and cooling system are thoroughly cleaned, measured, and precision checked. Any worn or damaged components are replaced using premium OEM-specification parts including piston rings, bearings, seals, gaskets, timing components, and essential service items.
Following the rebuilding process, each engine undergoes rigorous quality control testing. Compression testing, oil pressure verification, leak inspections, injector testing, and tolerance measurements are performed to ensure the engine meets professional rebuilding standards. This comprehensive process helps deliver dependable performance, excellent fuel efficiency, and long-term reliability.
Once rebuilt, our experienced technicians carry out the complete Supply & Fit service, ensuring the engine is professionally installed and thoroughly tested before vehicle handover. This provides a cost-effective alternative to purchasing a brand-new engine while restoring factory-level performance and drivability.
We also offer nationwide delivery throughout the UK using secure and fully tracked transportation. All engines are thoroughly cleaned, inspected, and tested before dispatch or installation. Warranty options are available for additional peace of mind and customer confidence. Our goal is to provide a reliable and professional engine replacement solution that keeps your BMW performing at its best.
Item Specifics
| Attribute | Details |
|---|---|
| Brand | BMW |
| EAN | Does Not Apply |
| Number of Cylinders | 6 |
| Fuel Type | Diesel |
| Engine Size | 3.0 |
| Block Type | Inline |
| Manufacturer Part Number | B57D30A |
| Reference OE/OEM Number | B57 / B57D30A |
| Mileage | 0 Miles (Reconditioned) |




