BMW 1 3 Series E81 E87 E90 Output Shaft Left N/S Driveshaft Drive Shaft 7561791

BMW 1 3 Series E81 E87 E90 Output Shaft Left N/S Driveshaft Drive Shaft is an original component from the CV Joints group, designed for installation on the left side of selected BMW E81, E87, and E90 models. This used OEM part ensures a factory-standard fit for the drivetrain, facilitating installation and reducing the risk of compatibility issues.

Specifications and technical data

• SKU: 7561791
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561791
• Substitutable numbers: 33217561791, 7561791, BG, 33217547627, 7547627
• Location on the vehicle: Left
• Category: Propshafts

Application and function in the drivetrain

The presented left driveshaft is responsible for transmitting torque from the final drive to the wheel on the driver's side, working in conjunction with the differential and wheel hub. A correctly selected component from this group is crucial for stable drivetrain operation, reducing vibrations, and maintaining proper suspension geometry in BMW 1 and 3 Series E8x/E9x generations.

Thanks to its constant-velocity joint construction, the shaft ensures smooth power transmission during steering and suspension travel, which translates into predictable vehicle handling and proper interaction with safety systems such as ABS or traction control.

Original origin and compatibility

This is an original BMW component with an assigned OEM part number and a set of interchangeable numbers, which facilitates precise identification in manufacturer catalogs and service software. The presence of reference numbers allows for selecting the driveshaft specifically for a particular body style and drivetrain configuration, minimizing the risk of incorrect selection.

The vehicle placement defined as the left side clearly indicates the mounting position, which is particularly important in the case of axles with different half-shaft lengths. This ensures that the mechanic or user is certain the component is intended for the correct side of the vehicle.

Condition, verification, and benefits of choosing used OEM

The offered driveshaft falls into the category of used OEM parts, meaning it has been removed from a vehicle while retaining its original factory specifications. In practice, this translates into:

• factory-standard fitment to the hub, differential, and suspension mounts,
• retention of original joint operating parameters,
• a favorable cost-to-quality ratio compared to non-OE replacements.

Choosing a used OEM component is particularly beneficial for service repairs where compliance with the vehicle's factory design and predictable long-term drivetrain performance are essential.

Installation and maintenance tips

When replacing the left driveshaft in a BMW 1 or 3 Series, it is recommended to:

• check the condition of the differential and wheel hub seals,
• verify play in the suspension and wheel bearings,
• inspect the rubber joint boots after installation,
• thoroughly clean contact surfaces and apply appropriate tightening torques in accordance with BMW service documentation.

This approach reduces the risk of secondary faults, noises, or vibrations and helps maintain stable operation of the entire drivetrain.

Expanding the BMW drivetrain

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other components from the same group, such as additional shafts, joints, or connecting elements, check out the available parts in the BMW CV Joints category.

For users who are simultaneously servicing thermal comfort systems in their vehicle, a guide on selecting and maintaining air conditioning and heating components may be helpful – you can find it in the article Air conditioning and heating – part selection and maintenance for year-round comfort, which describes practical service procedures and principles for choosing used OEM components.