BMW Mini Cooper R50 R52 W10 Engine Crankshaft Crank Shaft 04777684AA 1485832

BMW Mini Cooper R50 R52 W10 Engine Crankshaft Crank Shaft is a component from the Crankshafts category, designed for precise operation in Mini engines of the R50 and R52 series. The offered component comes from disassembly, which allows for an economical yet technically sound repair of the power unit while maintaining factory performance characteristics.

Specifications and technical data

• SKU: 7508547
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 1485832
• Substitutable numbers: 11331485832, 1485832, 04777684AA
• Category: Crankshafts

Technical characteristics of the crankshaft

The crankshaft in a Mini engine is responsible for converting the reciprocating motion of the pistons into rotational motion; therefore, its geometry, balance, and machining quality are crucial for the engine's smooth operation. The presented crankshaft has been designed to meet the specific structural requirements of the R50/R52 series, ensuring proper guidance of the crank and main journals and correct interaction with the bearings and lubrication system.

By maintaining the original design, the shaft retains factory strength parameters, which translates into stable engine operation across the entire rev range. Properly shaped oil channels and surfaces interacting with the bearings allow for even distribution of the oil film, reducing the risk of seizure and excessive wear.

Application in the Mini R50/R52 engine

The offered crankshaft is intended for power units used in Mini R50 and R52 models, where it must work with the factory crank-piston system and engine block. Using an original solution from the same design family allows for maintaining proper:

• alignment of main journals relative to the block,
• interaction with stock bearings and main bearing caps,
• compatibility with the flywheel and drivetrain system,
• correct balancing of the entire crank-piston assembly.

Such a fit is particularly important for engine repairs following seizure, bearing damage, or crankshaft fracture, where replacement with a component of identical structural characteristics is required.

Benefits of using an original crankshaft

Choosing a used, original crankshaft for a Mini brings a number of practical advantages. Above all, it allows for maintaining the factory engine performance characteristics without the need to adapt replacement parts with different geometry. For workshops and users, this means:

• easier fitting during assembly,
• lower risk of balancing issues,
• retention of stock load parameters,
• possibility of economical repair while maintaining proper durability.

Thanks to this, a crankshaft from disassembly is a sensible solution for engine overhauls, especially where the cost-to-effect ratio and maintaining the original design specification are important.

Condition, verification, and preparation for assembly

The item comes from the disassembly of a Mini vehicle, which allows for the reuse of the original component in another engine. Before assembly, a standard workshop procedure is recommended, including inspection of journal surfaces, measurement of clearances with bearings, and verification of shaft straightness. Such an approach enables safe preparation of the part for further operation and fitting to a specific engine block.

Proper installation, following the manufacturer's recommendations regarding tightening torques and lubrication procedures, allows for restoring the correct operation of the power unit and reducing the risk of further damage to the crank-piston system. For workshops specializing in the Mini brand, this is a practical service solution that enables efficient repair execution.

Repair expansion – other Mini Crankshafts

If you are planning a comprehensive repair or upgrade of your Mini's engine area and need other elements from the same group, such as additional shafts for other engine versions, shafts intended for regeneration, or components for dimensional comparison, check the available parts in the Mini Crankshafts category.

For users interested in improving driving comfort and the overall value of the vehicle, information regarding interior equipment may also be useful. In this context, it is worth reading an article describing the impact of branded seats from disassembly on ergonomics and vehicle perception: Interior metamorphosis – branded used seats vs. comfort and car value.