Rear Subframe BMW F45 Mini F60 B38X Cradle Axle Beam Carrier Support 6864561

BMW F45 Mini F60 B38X Cradle Subframe Crossmember Rear Hybrid is a component from the longitudinal body frame parts and brackets category, designed for the rear of the vehicle. The construction serves as a load-bearing base for the suspension and drivetrain components, ensuring stable support and correct rear axle geometry in hybrid BMW and Mini vehicles.

Specifications and technical data

• SKU: 6864561
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6864561
• Substitutable numbers: 6864561, 33316864561
• Location on the vehicle: Rear
• Tire profile: 65535
• Category: Frame Rails & Subframes

Purpose and Function in the Vehicle

The described rear cradle / subframe / crossmember is a key structural element of the rear body section. As a frame and suspension bracket, it is responsible for transferring loads from the control arms, shock absorbers, and other suspension components to the body structure. A correctly selected rear axle subframe directly influences:

• maintaining predictable vehicle behavior during acceleration, braking, and cornering,
• suspension geometry stability throughout the entire range of the drivetrain system's operation,
• even load distribution in the rear of the body, which reduces structural stress.

Its placement at the rear of the vehicle allows for integration with elements characteristic of hybrid powertrains, while maintaining adequate rigidity and compatibility with factory mounting points.

Construction and Technical Characteristics

The rear cradle is designed as a load-bearing body frame bracket, adapted for multi-link suspension systems used in modern BMW and Mini constructions. The subframe's geometry enables precise wheel guidance and maintains the correct position of control arm mounting points, which is crucial for:

• accurate alignment of toe and camber angles,
• minimizing unwanted displacement of suspension components under load,
• maintaining ride comfort while preserving structural rigidity.

The tire profile parameter associated with this component indicates that the construction is adapted to a specific range of wheel and tire configurations, which helps maintain compliance with the manufacturer's original specifications.

Benefits of Using an Original BMW Rear Cradle

Using an original rear subframe in hybrid BMW and Mini vehicles allows for the preservation of factory driving characteristics and safety. Key benefits include:

• factory fit to mounting points in the body and suspension components,
• compatibility with the hybrid system, including the layout of powertrain components and wiring,
• maintaining the rigidity intended by the manufacturer for the rear of the body,
• reducing the risk of suspension geometry issues after installation.

This component, categorized as longitudinal body frame parts and brackets, is particularly important for accident repairs, suspension refurbishment, or restoring a vehicle to its manufacturer-specified condition.

Condition, Installation, and Service Application

The product is used, allowing for an economical restoration of the vehicle's rear structure's functionality while maintaining original specifications. In workshop practice, such a rear cradle is used for, among other things:

• repairs after mechanical damage to the suspension or subframe,
• replacement of deformed brackets after collisions or corrosion,
• comprehensive rear suspension refurbishment when maintaining factory reference points is required.

Before installation, it is recommended to perform a standard inspection of the mounting surfaces, bushings, and connection points. After installation, a professional wheel alignment of the rear axle is advised.

Related BMW Longitudinal Body Frame Parts and Brackets and Technical Knowledge

If you need other BMW longitudinal body frame parts and brackets, check availability in our dedicated category: BMW longitudinal body frame parts and brackets. You will find a wide selection of structural components tailored to various models of this brand.

When planning a repair or upgrade using original parts, it is worth familiarizing yourself with practical tips on component selection. Our guide may be helpful: Best Used Car Parts – A Guide to the Most Popular Original Parts for Common Car Brands and Models, where we discuss what to look for when choosing used structural and suspension components.