Crank Shaft BMW E65 E66 760i 760Li V12 Petrol N73 Engine Crankshaft 7524206

Crank Shaft BMW E65 E66 760i 760Li V12 Petrol N73 Engine Crankshaft is a precision-engineered component of the crank-piston system, designed for luxury BMW limousines with a V12 petrol engine. The offered crankshaft belongs to the Crankshafts category and is dedicated to the N73 unit, ensuring proper operating characteristics and stable torque transmission under demanding operating conditions.

Specifications and technical data

• SKU: 7524206
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7524206
• Substitutable numbers: 11217524206, 7524206, 11217524205, 7524205
• Fuel type: Petrol
• Category: Crankshafts

Purpose and compatibility

The presented crankshaft is structurally matched to the V12 N73 engine used in BMW 7 Series E65 and E66 models in 760i and 760Li versions. It has been designed to work with a unit powered by petrol fuel, which guarantees appropriate fatigue strength and proper balancing for the characteristics of this powertrain.

This component is part of the original BMW crankshaft system, which translates into a correct fit with the engine block, main bearings, and connecting rods, as well as maintaining the factory operating parameters of the powertrain after repair.

Technical characteristics of the crankshaft

The crankshaft from the Crankshafts category is responsible for converting the reciprocating motion of the pistons into rotational motion, which is why its geometry, rigidity, and machining quality are crucial for the smooth operation of the V12 engine. The design intended for the N73 ensures:

• stable transmission of high torque generated by the V12 engine,
• proper alignment of main and connecting rod journals,
• compatibility with the lubrication system intended for the petrol unit,
• maintenance of proper balance of the entire crank-piston system.

Thanks to this, after correct installation, it is possible to maintain smooth engine operation, limit vibrations, and reduce loads transferred to the bearings and other components of the powertrain.

Condition, origin, and service application

The offered BMW crankshaft is a used component, which allows for economical engine repair while maintaining the manufacturer's original specifications. Choosing such a solution is particularly beneficial for V12 engine overhauls, where the cost of new components is very high, and the use of parts from disassembly allows for a significant reduction in service costs.

The crankshaft will work well both for standard repairs after a failure and for a comprehensive rebuild of the N73 engine in 760i and 760Li models, when it is necessary to replace the component responsible for load transmission in the entire crankshaft system.

Benefits of using an original BMW crankshaft

Using an original BMW crankshaft in the V12 N73 engine allows you to maintain the factory operating parameters of the powertrain. The most important advantages include:

• Factory fit – proper fit with the block, connecting rods, and bearings intended for this unit.
• Stable engine operation – correct balancing of the crankshaft affects the smoothness of operation, reduction of vibrations and noise.
• Operational safety – maintaining original geometry and material parameters reduces the risk of damage under high loads.
• Cost-effectiveness of repair – a used OEM component is a reasonable compromise between cost and quality in the case of advanced V12 petrol units.

Repair expansion and additional materials

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 additional shafts, cooperating elements, or crank system components, check the available parts in the BMW Crankshafts category.

If you are interested in a broader context of using original used parts in premium cars and want to learn practical tips on optimizing service costs while maintaining high quality, it is worth reading the article Luxury within reach – how to service a Porsche legend using proven used parts, which discusses the approach to repairs using verified components from disassembly.