BMW F30 LCI F32 Propshaft Prop Drive Shaft Automatic 340i 440i B58 8654493

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F30 LCI F32 Propshaft Prop Drive Shaft Automatic 340i 440i B58 is an original drivetrain component designed for vehicles with an automatic transmission and a petrol engine. As part of the Cardan Joints group, it ensures precise torque transmission from the automatic gearbox to the rear axle, maintaining proper operating standards and drivetrain stability.

Specifications and technical data

• SKU: 8654493
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8654493
• Substitutable numbers: 8654493, 26108654493
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Propshaft
• Category: Propshafts

Purpose and compatibility

The presented propshaft is designed specifically for BMW 3 Series F30 LCI and 4 Series F32 models in 340i and 440i versions with the B58 engine. The construction is adapted for operation in a system with an automatic transmission and rear-wheel drive, which allows for maintaining the factory performance parameters of the drivetrain.

The component comes from the original BMW parts line, ensuring it retains the correct mounting dimensions, geometry, and operating characteristics of the universal joints and center bearings. This is particularly important in high-power vehicles, where the stability and precision of power transmission have a direct impact on the durability of other components.

Construction and role in the drivetrain

The propshaft in this configuration is a key element connecting the automatic transmission to the rear differential. Within the Cardan Joints category, it is responsible for:

• compensating for changes in the position of the drivetrain relative to the rear axle during suspension travel,
• stable torque transmission at various rotational speeds,
• minimizing vibration and noise in the cabin,
• maintaining proper drivetrain balance.

Thanks to its factory design, the shaft works with the B58 petrol engine and the automatic transmission in the manner intended by the manufacturer, which reduces the risk of unwanted vibrations, premature wear of supports and joints, and issues with driving comfort.

Benefits of using an original propshaft

Using an original propshaft in a BMW F30 LCI / F32 brings a number of practical operational benefits:

• Factory fitment – maintaining the correct length, diameter, and geometry of the shaft translates into the correct operating angles of the Cardan joints.
• Stable operation with an automatic transmission – the construction is adapted to the gear-shifting characteristics of the automatic gearbox, which promotes smooth acceleration.
• Optimal cooperation with the petrol engine – the shaft is adapted to the RPM range and torque generated by the B58 unit, which limits mechanical stress.
• Possibility of direct installation in place of a worn component, without the need for drivetrain modifications.

Condition and service application

The offered propshaft is a used component, making it an attractive service solution for users looking for a technically sound part at a reasonable price. It is suitable both for standard replacement of a worn shaft and for repairs following mechanical damage within the drivetrain.

Selecting the correct propshaft is important not only for driving comfort but also for the durability of the automatic transmission, supports, joints, and the rear differential. A properly selected component helps reduce unwanted vibrations, clunking during acceleration, and excessive loads on other components.

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 intermediate shafts, universal joints, or shaft supports, check out the available parts in the BMW Cardan Joints category.

For drivers interested in diagnostics and prevention of faults in diesel engines, the article describing the symptoms and consequences of fuel injection system problems may be helpful – more information can be found in the material: diesel injector faults – symptoms, consequences, and diagnostics.