The F32 chassis suspended, with removed engine components organized on the workshop floor below.
Wide view of the service bay showing the active engine replacement workflow.
Close-up of the exposed cylinder head and timing chain drive mechanism.
The vehicle raised above the workbench containing the stripped cylinder head and block.
Front-end view of the engine showing the alternator, vibration damper, and accessory belt drive.
Detailed view of the replacement N47 diesel engine, highlighting the oil filter housing and rear assembly.
The fully dressed N47D20C replacement unit, ready for installation into the BMW 420d.
Top-down view of the engine bay with hoist chains attached to the block for extraction.
Front view of the chained N47 engine ready for hoist extraction.
Facing similar issues? Get Quote Now to bring your BMW back to peak performance.
Vehicle In: 10-Nov-2025
Vehicle Out: 14-Nov-2025
Turnaround Time: 4 Days
The vehicle was brought in with significant performance issues and internal defects. Using our state-of-the-art diagnostic equipment, we identified extensive engine damage. This confirmed that replacing the original unit with a reliable BMW N47D20C engine was the most effective solution, ensuring long-term performance and reliability.
Components we fitted:
Replacement N47 D20C engine fitted with precision
New timing chain kit installed
New gaskets, seals, and filters fitted
Fresh oil and filter service completed
Cooling system flushed and refilled
Intake and ancillary components cleaned and refitted
ECU and sensors reset and calibrated for the new 420d engine
After fitting the replacement BMW 420d engine, the vehicle was tested and restored to factory-level refinement. The upgraded unit delivers smooth power, improved efficiency, and long-term durability. This option offers a reliable alternative to sourcing an N47D20C engine for sale, while ensuring a fully installed and warrantied engine replacement.
Facing similar issues? Get Quote Now to bring your BMW back to peak performance.