BMW F80 F82 F83 F87 S55 Engine Crankshaft S55 3.0 Petrol 8095728

Description

BMW F80 F82 F83 F87 S55 Engine Crankshaft S55 3.0 Petrol is an original component from the Crankshafts category, designed for the S55 3.0 petrol engine in BMW vehicles. This is a solution for users who expect precise fitment, stable operation of the crankshaft-piston system, and the preservation of factory engine parameters.

Specifications and technical data

• SKU: 8095728
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8095728
• Substitutable numbers: 8095728, 11218095728, 7846606, 11217846606, 4809217, 11214809217
• Fuel type: Petrol
• Category: Crankshafts

Purpose and compatibility

The presented crankshaft is dedicated to the S55 engine installed in BMW F-series models, including the F80, F82, F83, and F87 versions. The design has been developed to meet the requirements of the 3.0 petrol unit, ensuring proper journal geometry, correct balancing, and compatibility with the factory lubrication system and connecting rods used in this engine.

By maintaining the original specifications, this component allows for the restoration of the engine’s serial operating conditions, which is particularly important when repairing high-power density engines typical of the S55 unit.

Technical characteristics of the crankshaft

The crankshaft in the S55 engine is responsible for transferring forces from the pistons to the drivetrain, which is why features such as rigidity, fatigue resistance, and precise balancing are crucial. The applied design ensures:

• stable operation across the full rev range characteristic of the S55 engine,
• appropriate torsional rigidity for the 3.0 petrol unit,
• compatibility with factory bearings and connecting rods intended for this unit.

Its original BMW origin helps maintain the proper engine operating characteristics, including smooth idling and performance under load.

Application in repairs and upgrades

This crankshaft is suitable for both standard S55 engine repairs and more advanced projects where maintaining the factory mechanical base is key. Using this component allows for the optimization of service costs while preserving the original design intended by the manufacturer.

In practice, this means the possibility of:

• restoring engine efficiency after damage to the crankshaft-piston system,
• maintaining serial operating parameters without the need to adapt replacement parts with different geometry,
• maintaining consistency with other components of the BMW S55 engine.

Condition and benefits of choosing an original BMW crankshaft

The component comes from the BMW group and is offered as a used part, which allows for combining reasonable costs with the preservation of factory specifications. A used crankshaft, after proper verification and preparation by a mechanic, can provide a solid base for further engine operation without the need to interfere with the unit’s design.

An additional advantage is the ease of matching it with existing S55 engine components, which reduces the risk of assembly issues and speeds up the repair process.

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 other shafts, components working with the crankshaft system, or related parts, check out the available parts in the BMW Crankshafts category.

Service recommendations and additional information

When replacing the crankshaft in an S55 unit, it is recommended to perform a full diagnostic of the lubrication system, verify the bearings, and check the mating components to ensure even loading of the newly installed sub-assembly. It is also a good practice to measure assembly clearances and balance the entire crankshaft-piston assembly in accordance with service procedures.

If you are interested in how to safely select used components in other key vehicle systems, it is worth reading our guide on purchasing braking components: Second-hand braking system – a practical checklist for selecting used parts.