BMW E82 E88 135i N54 Prop Shaft Drive Propshaft Shaft Automatic 7574680

The BMW E82 E88 135i N54 Driveshaft Automatic is a drivetrain component designed to work with the automatic transmission in 1 Series models. It is responsible for stable torque transfer from the gearbox to the rear axle, directly impacting driving smoothness and drivetrain refinement. By maintaining factory geometry and construction, the BMW driveshaft allows for precise restoration of the vehicle's original operating parameters.

Specifications and technical data

• SKU: 7574680
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7574680
• Substitutable numbers: 7574680, 26107574680
• Weight: 150
• Gearbox type: Automatic
• Category: Propshafts

Purpose and Compatibility

The driveshaft for BMW E82/E88 135i N54 is designed to work with an automatic transmission, ensuring proper length, flange, and operating characteristics for the specific drivetrain configuration. The construction, based on original BMW solutions, guarantees compatibility with original mounting points and correct interaction with universal joints and driveshaft supports.

This component belongs to the Cardan Joints group, meaning it is responsible for compensating for suspension movements and angle changes between the gearbox and the rear axle. A correctly selected driveshaft reduces vibrations, noise, and uneven load transfer throughout the system.

Technical and Construction Characteristics

The driveshaft is constructed to stably transfer the high torque generated by the N54 engine, while maintaining appropriate stiffness and resistance to material fatigue. The use of universal joints and appropriately selected flexible connections allows for suspension movement compensation and minimizes stress in critical system points.

The driveshaft's optimized total weight contributes to reducing torsional vibrations and improving driving comfort, especially at highway speeds. The design intended for automatic transmissions ensures proper synchronization with the torque converter and gear shifting characteristics.

Condition, Origin, and Installation Recommendations

The offered component is a used BMW part, allowing for the preservation of original manufacturer specifications while optimizing repair costs. For stable drivetrain operation, installation in a specialized service center is recommended, adhering to bolt tightening procedures, correct driveshaft alignment with flanges, and inspection of cooperating elements (supports, bearings, universal joints).

When replacing the driveshaft, it is advisable to pay attention to the proper balancing of the entire assembly and check for play in the universal joints, which translates to reduced knocking, vibrations, and stress in the drivetrain. Maintaining the factory configuration is particularly important in higher-powered vehicles like the 135i with the N54 engine.

Benefits of Using an Original Driveshaft

• Maintains factory drivetrain characteristics in BMW 1 Series with N54 engine and automatic transmission.
• Improved interaction with universal joints and supports due to preserved original geometry.
• Reduced cabin vibrations and noise through proper balancing and construction matching.
• Restoration of correct drivetrain operation after damage or wear of the existing driveshaft.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other elements from the same group, such as universal joints, supports, or components connecting the driveshaft to the axle, check the available parts in the BMW Cardan Joints category.

For a better understanding of the relationship between the driveshaft, gearbox, and vehicle handling components, an article describing the construction and diagnostics of the steering and power steering system may be helpful – you can find it here: Steering and Power Steering System – How it Works and What Fails?.