Propshaft BMW F12 640i N55 Automatic Gearbox Drive Shaft L=1508MM 7614685

Propshaft BMW F12 640i N55 Automatic Gearbox Drive Shaft L=1508MM is a drivetrain component designed for BMW models with diesel engines and automatic transmissions. Thanks to its precise construction, the shaft ensures a stable connection between the gearbox and the rear drivetrain, which translates into smooth, predictable operation of the powertrain. This solution is dedicated to users who expect a proven part from the Cardan Joints group for professional repair or replacement.

Specifications and technical data

• SKU: 7614685
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7614685
• Substitutable numbers: 7614685, 26107614685
• Weight: 150
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Propshafts

Purpose and role in the drivetrain

The propshaft in the BMW 6 Series F12 with the N55 engine is responsible for transferring torque from the automatic transmission to the rear differential, maintaining the proper geometry and operating culture of the entire system. This component operates under demanding rotational conditions, which is why its construction must ensure adequate rigidity while simultaneously dampening torsional vibrations.

In practice, a correctly selected propshaft:

• stabilizes the operation of the drivetrain under various loads,
• reduces unwanted vibrations felt in the cabin,
• supports the smooth operation of the automatic transmission during acceleration and downshifting.

Technical characteristics and compatibility

The presented shaft belongs to the Cardan Joints group, which means it uses joints that allow for the compensation of changes in the position of drivetrain assemblies during suspension operation. The design is adapted for use with an automatic transmission and a diesel-powered engine, which is important when selecting parts in terms of load and torque characteristics.

The element was designed as an original BMW part, which facilitates fitting to factory mounting points and cooperation with other drivetrain components. The presence of the OEM part number and interchangeable numbers in the technical specification allows for precise verification of compatibility with a specific vehicle configuration.

Condition, application, and benefits of installation

The offered propshaft is a used item, making it an attractive option for users looking for an economical yet functional solution for repairing the drivetrain. Maintaining the proper weight and geometry of the shaft is crucial for reducing vibration and noise, as well as for the durability of the joints and support bearings throughout the assembly.

Replacing a worn propshaft with a proven component allows you to:

• reduce knocking and vibrations occurring during acceleration or gear changes,
• relieve other drivetrain components,
• maintain the proper operating culture of the automatic transmission in combination with the diesel engine.

Professional selection and technical support

To select the correct propshaft for a specific version of the BMW F12, it is worth using the data from the technical specification list, such as the OEM part number, interchangeable numbers, fuel type, or transmission type. This avoids installation problems and ensures proper cooperation with the vehicle's existing drivetrain.

If you are planning a comprehensive repair or upgrade of the drivetrain in your BMW and need other elements from the same group, such as intermediate shafts, flexible couplings, or shaft supports, check the available parts in the BMW Cardan Joints category.

Summary

Propshaft BMW F12 640i N55 Automatic Gearbox Drive Shaft L=1508MM is a technically matched drivetrain component designed for use with a diesel engine and an automatic transmission. Choosing an original BMW component allows you to maintain factory operating parameters, reduce vibrations, and ensure predictable vehicle behavior in daily use.

For drivers who are also concerned about the efficiency of the engine cooling system, practical tips on selecting used components may be useful – you can find them in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.