Piston Conrod BMW E65 E66 760i V12 N73 Petrol Engine Connecting Rod CYL 1-6

The BMW E65 E66 760i V12 N73 Piston with Connecting Rod is an original component of the crankshaft-piston system designed for the N73 V12 gasoline engine in luxury 7 Series sedans. With its factory geometry and precise fit for the engine unit, it ensures proper cooperation with the crankshaft and maintains the engine's factory performance parameters. This is the solution for users who want to restore the engine unit's functionality while adhering to the manufacturer's design.

Specifications and technical data

• SKU: 7524965
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7524965
• Substitutable numbers: 11257524965, 7524965, 11257521286, 7521286, 11247552692, 7552692, 11240417497, 0417497, 11257521300, 7521300
• Fuel type: Petrol
• Category: Other Engine Parts

Intended Use and Compatibility

The presented piston with connecting rod has been designed for the V12 N73 engine unit used in BMW 7 Series E65 and E66 models, specifically the 760i version. This component belongs to the gasoline engine's crankshaft system, where precise dimensions, appropriate weight, and proper balancing of the piston-connecting rod assembly are crucial. Using an original component allows for maintaining:

• correct cylinder compression,
• proper operating characteristics of the V12 unit,
• compliance with the manufacturer's factory tolerances.

This makes the piston with connecting rod suitable for both individual repairs (replacing a damaged cylinder) and comprehensive N73 engine rebuilds.

Technical Characteristics of the Piston-Connecting Rod System

The piston-connecting rod system in a V12 engine operates under very demanding conditions of mechanical and thermal loads. Using an original element from the Other category ensures the maintenance of:

• appropriate connecting rod stiffness at high rotational speeds,
• proper piston guidance within the cylinder liner,
• compatibility with the factory piston pin and connecting rod bearings.

A gasoline engine requires precise matching of the mass of individual pistons, which is why using a component that conforms to the original specification is crucial for reducing vibrations and ensuring smooth operation of the entire V12 unit.

Application in BMW Gasoline Engine Repairs

This piston with connecting rod for the N73 gasoline engine is ideal for professional workshops specializing in the repair and rebuilding of BMW 7 Series units, as well as for knowledgeable users who are assembling components themselves. The element allows for:

• local repair of a single cylinder after seizure or mechanical damage,
• completing a missing component when assembling an engine from multiple units,
• optimizing renovation costs while maintaining the original design.

Due to the specific nature of the V12 engine, it is recommended to install the piston with connecting rod after verifying the other components of the crankshaft system and checking clearances according to BMW service documentation.

Condition, Origin, and Benefits of Choosing a Used Part

The offered piston with connecting rod is a used component, sourced from a dismantled BMW gasoline engine. This type of component is an attractive alternative to new parts, especially for advanced and costly V12 engines. The main benefits include:

• the possibility of significantly reducing engine renovation costs,
• maintaining the original manufacturer's specifications,
• access to a component that is often not available as new in the current offering.

Before installation, the standard workshop procedure is recommended: visual inspection, measurement of diameters and clearances, and assessment of surfaces interacting with the cylinder and crankshaft.

Part Selection by Numbers and Additional Materials

Due to the complexity of the V12 N73 unit and its various versions, it is advisable to base the selection of the appropriate piston with connecting rod on OEM part numbers and interchangeable numbers. This helps avoid errors and ensures full compatibility with the specific engine version and vehicle year. If in doubt, comparing markings with service documentation or the dismantled element is helpful.

If you are planning a broader range of work on the engine unit, it is worth consulting the guide on the cost-effectiveness of regenerating and purchasing used engine components: why it's worth buying used gearboxes and engines – facts instead of myths. This is a practical source of knowledge on selecting parts by OEM numbers and optimizing repair costs.

In the case of expanding or modernizing the entire powertrain, an article comparing technical solutions in sports engine units may also be helpful: Audi RS vs. other models – what lies under the hood and chassis?. It allows for a better understanding of the design differences between standard and high-load engines.

Other Products from the BMW Other Category

If you are assembling a larger set of components for your BMW and need other components from the BMW Other category, check out the BMW Other parts available in our store. This will allow you to easily assemble additional components that fit your repair or modernization project.