Piston Conrod BMW E65 E66 760i V12 N73 Petrol Engine Connecting Rod CYL 7-12

BMW E65 E66 760i V12 N73 Piston Conrod Petrol is an original part of the crankshaft-piston system designed for the V12 N73 petrol engine in luxury 7 Series sedans. Thanks to its factory BMW origin, it ensures precise fit to the powertrain and maintains original operating parameters. This is a practical solution for professional engine repair or reconstruction in E65/E66 760i models.

Specifications and technical data

• SKU: 7524967
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7524967
• Substitutable numbers: 11247589533, 7524967, 11257521288, 7521288, 11247552692, 7552692, 11240417497, 0417497, 11257521300, 7521300
• Fuel type: Petrol
• Category: Other Engine Parts

Intended Use and Compatibility with V12 N73 Engine

The presented piston with conrod has been designed to work with the V12 N73 petrol engine used in the BMW 7 Series E65/E66 760i version. The component's construction is adapted to the characteristics of a high-displacement, high-torque engine with a demanding crankshaft system.

Original BMW origin means maintaining correct geometry, weight, and balance, which is crucial for the stable operation of the crankshaft system and reducing vibrations and mechanical loads. This is particularly important in multi-cylinder engines, where the uniform operation of each cylinder affects the overall smoothness of the unit.

Technical Characteristics and Role in the Crankshaft System

The piston with conrod is responsible for transferring combustion forces from the cylinder chamber to the crankshaft, so its condition directly impacts engine durability. In the V12 N73 unit, this component operates under demanding thermal and mechanical conditions, requiring the use of appropriate manufacturing technology and materials.

The original BMW component ensures:

• maintenance of factory assembly clearances in the cylinder,
• proper cooperation with the crankshaft and piston pin,
• consistency with the original piston lubrication and cooling system,
• adequate conrod stiffness under high loads.

This allows for maintaining engine operating parameters close to factory levels after an overhaul or replacement of a damaged cylinder.

Fuel Type and Application in Petrol Engines

The component is designed for an engine powered by petrol fuel, meaning it is adapted to the combustion characteristics, operating temperatures, and pressures found in V12 petrol engines. Proper selection of the piston and conrod for the fuel type minimizes the risk of premature wear, knocking combustion, and compression issues.

When repairing an N73 engine, using a component compatible with the fuel type is crucial for maintaining the correct operation of the ignition system, proper cylinder pressure, and the accurate functioning of engine control systems.

Used Condition and Benefits of Choosing an Original Part

The offered piston with conrod is a used part, allowing for economical engine repair while maintaining original BMW specifications. Compared to low-quality aftermarket parts, a used OEM component helps maintain the engine's structural integrity, which is important for its durability and smoothness.

Choosing such a solution is particularly beneficial for overhauling advanced units where both cost and compliance with factory parameters are important. A used component allows for optimizing the service budget without sacrificing original BMW technology.

Product Category and Selection of Other Components

This product belongs to the Other category, meaning it is dedicated to specific service applications, such as crankshaft system parts for particular engine versions. If you are looking for other parts from the Other category for this brand, check our offer for other BMW parts to select compatible components for your repair project.

Technical Support and Knowledge of Powerful Engines

When working with advanced, high-performance engines, it's beneficial to know the design differences between various series and sport versions. If you are interested in how manufacturers design powerful powertrains, braking systems, and chassis in high-performance models, check out the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses key technical solutions used in dynamic RS versions.

If you want to better plan your engine overhaul budget and consider wider use of used OEM parts, the guide Rising Repair Costs vs. The Boom in Used Parts – How to Save on Car Service? may also be helpful, as it describes practical strategies for selecting used parts.