BMW E46 X5 E53 E60 E65 X3 E83 M57N Diesel Engine Crankshaft Crank Shaft 7792330

BMW E46 X5 E53 E60 E65 X3 E83 M57N Diesel Engine Crankshaft Crank Shaft is an original component from the Crankshafts group, designed for BMW M57N family diesel engines. This used OEM crankshaft is a solution for users who expect factory geometry, proper durability, and compliance with factory tolerances, while maintaining reasonable engine repair costs.

Specifications and technical data

• SKU: 7806707-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7806707
• Substitutable numbers: 7806707, 11217806707, 7793599, 11217793599, 7791029, 11217791029, 7793598, 11217793598, 7791028, 11217791028, 7792330
• Fuel type: Diesel
• Category: Crankshafts

Purpose and compatibility

The presented crankshaft is dedicated to BMW Diesel engines from the M57N family used in popular models of the 3 Series E46, X5 E53, 5 Series E60, 7 Series E65, and X3 E83. Using an original crankshaft from this group ensures the maintenance of the correct crank-piston system, proper balance of rotating masses, and correct cooperation with main and connecting rod bearings.

Thanks to the preservation of the factory design, the crankshaft works with the stock lubrication and torsional vibration damping system, which is significant for both the durability of the power unit and the operating culture of the diesel engine.

Technical characteristics of the crankshaft

The M57N family crankshaft is a component with precisely machined main and connecting rod journals, adapted to work under high loads typical for modern BMW diesel engines. The crankshaft design ensures:

• stable transmission of torque from the pistons to the drivetrain,
• adequate torsional and bending stiffness,
• cooperation with the stock flywheel and vibration damper,
• the ability to maintain factory oil pressure parameters in the main bearings.

Selecting the right crankshaft for a specific version of the M57N engine is crucial to avoid problems with bearing clearances, improper balancing, or excessive vibrations, which is why it is worth using components from the same design family.

Application in BMW Diesel engine repair

The used OEM crankshaft is particularly useful for overhauls of diesel units where wear or damage to journals, bearing seizure, or crankshaft deformation has occurred. Using an original component allows you to:

• restore the correct geometry of the crank-piston system,
• maintain stock engine operating parameters,
• minimize the risk of secondary damage resulting from improper part fitting.

This solution is chosen both by workshops specializing in the BMW brand and by conscious users who prioritize compliance with factory technical documentation.

Benefits of choosing an original BMW crankshaft

By choosing an original BMW crankshaft from the M57N group, you gain a component designed specifically for operation in this brand's diesel engine. This means:

• factory fitment to the engine block, connecting rods, and accessories,
• maintenance of the durability intended by the manufacturer under proper operation,
• easier identification and selection of other repair components.

This is particularly important in the case of Diesel units, where mechanical and thermal loads are higher than in many gasoline engines, and the quality of the crankshaft directly affects the lifespan of the entire engine.

Technical support and additional information

Before purchasing, it is worth verifying the compatibility of the crankshaft with the specific M57N engine version and vehicle year using the OEM part number and available interchangeable numbers in the specification section. This ensures that the selected component will work with your existing accessories and engine control unit software.

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

To expand your knowledge about typical problems of this brand's diesel units and the cost-effectiveness of using original and used BMW components, it is worth reading the article BMW N47 timing chain – typical failure and repair using original BMW parts, which discusses practical aspects of servicing BMW Diesel engines.