Crankshaft BMW E60 E61 E63 X5 E70 4.8i 550i 650i N62N Engine Crank Shaft 0396404

Crankshaft BMW E60 E61 E63 X5 E70 4.8i 550i 650i N62N Engine Crank Shaft is an original component from the Crankshafts group, designed for BMW N62N series petrol engines used in models such as the 4.8i and 550i. This used OEM crankshaft is a solution for users who expect factory geometry, proper balance, and a reliable fit for their engine unit.

Specifications and technical data

• SKU: 0396404
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0396404
• Substitutable numbers: 0396404, 11210396404, 0396402, 11210396402
• Fuel type: Petrol
• Category: Crankshafts

Purpose and compatibility

The presented crankshaft has been designed for BMW petrol engines, ensuring compliance with factory tolerances and operating parameters of N62N units. As a result, this component can be used both for standard engine repairs and for comprehensive bottom-end rebuilds in high-end BMW models.

The original design of the crankshaft guarantees the maintenance of the correct arrangement of main and connecting rod journals, which translates into stable engine operation across the entire rev range. This is particularly important in high-performance petrol engines, where the precision of the crankshaft's manufacture has a direct impact on the refinement and durability of the entire crank-piston system.

Technical characteristics and role in the engine

The crankshaft in a BMW petrol engine is responsible for converting the reciprocating motion of the pistons into rotational motion, which is then transmitted to the gearbox and drivetrain. High rigidity, proper balancing, and correct journal surface finishing are crucial for reducing vibration, noise, and bearing wear.

In practice, this means that a correctly selected crankshaft:

• maintains stable oil pressure in the main and connecting rod bearings,
• reduces the risk of torsional vibrations in the drivetrain,
• supports smooth engine operation across the entire rev range,
• allows for the preservation of the engine's factory performance parameters.

For the user, this means more predictable, smooth engine operation and a lower risk of costly failures resulting from incorrect geometry or poor quality of a replacement part.

Benefits of using an original BMW crankshaft

Using an original BMW crankshaft instead of a worn or damaged component allows you to maintain the factory operating characteristics of the engine. Precise fitment to the engine block and compatibility with factory connecting rods and bearings minimize the risk of assembly issues and accelerated wear.

The most important advantages of this solution include:

• preservation of the original operating characteristics of the petrol engine,
• certainty of fitment for N62N units used in 4.8i and 550i models,
• possibility of using existing BMW service documentation,
• easier diagnostics and condition monitoring during operation.

A used OEM component is also a reasonable compromise between cost and quality, especially when repairing advanced, large-displacement engines.

Application in service practice

This type of crankshaft is primarily used for major overhauls of BMW petrol engines, replacements following seizure or mechanical damage, and for professional engine rebuilds in premium vehicles. Proper selection of the crankshaft for a specific engine is crucial for correct assembly and subsequent operation, which is why it is recommended to verify compatibility using the OEM number and catalog data.

In workshop practice, the crankshaft can be installed after prior inspection of geometry, journal clearances, and potential bearing shell adjustment in accordance with the manufacturer's guidelines. This makes it possible to achieve stable engine operation even under high loads typical for powerful BMW petrol engines.

Part selection and additional information

When choosing a used crankshaft, it is worth paying attention to compatibility with the specific engine version and the availability of appropriate bearing shells and seals. For users considering different repair strategies – from new parts, through replacements, to used ones – a guide describing the differences in cost and quality, available in the article Original, replacement, or used – which car parts are the most cost-effective?, may be helpful.

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other elements from the same group, such as additional shafts, mating parts, or crank system components, check the available parts in the BMW Crankshafts category.