Rear Axle Carrier BMW F20 F22 F30 F32 N20 Petrol Diff Cradle Subframe 6851656

BMW F20 F22 F30 F32 N20 Rear Suspension Subframe Cradle is a component from the category of longitudinal body frame parts and brackets, designed for the rear suspension of BMW gasoline-powered vehicles. It serves as a robust structural base for the rear suspension, ensuring stable mounting of control arms, shock absorbers, and other drivetrain components.

Specifications and technical data

• SKU: 6851656
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6851656
• Substitutable numbers: 33316851656, 6851656, 33316855893, 6855893, BG
• Location on the vehicle: Rear
• Fuel type: Petrol
• Category: Frame Rails & Subframes

Purpose and Function of the BMW Suspension Subframe

The rear suspension subframe (cradle) in BMW F-series models is responsible for transferring loads from the suspension to the body and for maintaining axle geometry. This component forms a rigid metal frame to which key rear suspension components are attached, directly impacting handling, stability, and ride comfort.

For vehicles with the N20 gasoline engine, a correctly selected rear cradle is particularly important for:

• maintaining predictable vehicle behavior during acceleration and braking,
• preserving correct wheel geometry after accident repairs or suspension component replacement,
• reducing unwanted vibrations transmitted from the suspension to the body.

Benefits of Using an Original BMW Rear Cradle

Choosing an original suspension subframe from the BMW OE range allows for the preservation of the vehicle's factory driving parameters. The construction is tailored to the specific platform and drivetrain, resulting in:

• precise fitment with mounting points on the body without the need for modifications,
• proper force transfer from control arms, shock absorbers, and the drivetrain to the chassis,
• stable rear axle operation at higher speeds and under load.

A used component from original production offers a sensible compromise between repair cost and maintaining driving characteristics in line with the manufacturer's specifications.

Selection and Compatibility of the Suspension Subframe

BMW F20, F22, F30, F32 with the N20 gasoline engine utilize a specific rear cradle design, adapted to the weight distribution and suspension characteristics of these models. When selecting a component, it is recommended to:

• verify using the OEM part number and interchangeable numbers in the technical specifications,
• check compatibility with the specific body version (e.g., hatchback, coupe, sedan),
• compare mounting points with the removed component before installation.

This approach minimizes the risk of incompatibility and facilitates seamless installation in the vehicle.

Condition, Installation, and Service Application

The offered suspension subframe comes from the secondary market, making it an attractive solution for accident repairs, rear axle refurbishment, or restoring a vehicle to full operational status after mechanical damage. A component of this type is particularly useful when:

• the original cradle has been deformed after an impact to the rear of the vehicle or a curb,
• rear axle geometry cannot be properly aligned despite replacing standard suspension components,
• a comprehensive rebuild of the rear suspension is required as part of body and mechanical repairs.

Installation is recommended to be entrusted to a specialized service center that has the appropriate geometry control equipment and experience working with the BMW F-series platform.

BMW Longitudinal Body Frame Parts and Brackets

If you are looking for other components from the BMW Longitudinal Body Frame Parts and Brackets category, check out the BMW longitudinal body frame parts and brackets available in our store to select a complete structural solution for your car.

Why Consider Used Structural Components

The used car parts market allows for significant cost reduction in repairs while maintaining appropriate quality. Similar to other brands like Volkswagen, correctly selected used components can be a rational service choice. More about this repair approach can be found in the article Volkswagen – Solidity and Reliability. Why Used VW Parts Are a Sensible Choice?, which discusses the practical aspects of using second-hand parts.