Rear Subframe BMW F10 M5 F12 M6 S63N Axle Support Carrier Suspension 2284090

BMW F10 M5 F12 M6 S63N Subframe Rear Crossmember is an original part from the longitudinal body frame parts and brackets group, designed for the rear axle of sporty BMW F-series models. It is a robust structural base responsible for stable handling, correct suspension mounting, and safe load transfer to the body.

Specifications and technical data

• SKU: 2284090
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2284090
• Substitutable numbers: 33312284090, 2284090
• Weight: 150
• Location on the vehicle: Rear
• Category: Frame Rails & Subframes

Purpose and Function in the Vehicle

The presented rear subframe crossmember is a load-bearing element mounted in the rear section of the vehicle. In the construction of BMW F10 M5 and F12 M6 with the S63N unit, it is responsible for:

• stable mounting of the rear suspension and cooperating elements,
• transferring longitudinal and lateral forces to the body during acceleration, braking, and cornering,
• maintaining predictable vehicle behavior under high dynamic loads typical for M versions.

Thanks to its factory geometry and OEM construction, the crossmember maintains correct mounting points, which is crucial for proper wheel alignment, wheel geometry, and the operation of traction control systems.

Construction and Performance Parameters

As an element from the longitudinal body frame parts and brackets category, the rear subframe has been designed for high operational loads in high-performance vehicles. The construction ensures:

• adequate torsional rigidity, limiting undesirable structural deflection during dynamic driving,
• effective distribution of mass and loads between the body and the suspension,
• compatibility with factory mounting points characteristic of the F10/F12 platform.

The weight of the element specified in the documentation confirms that it is a substantial, load-bearing structural component, not a minor auxiliary bracket. This is important when planning installation and selecting appropriate tools and vehicle support methods.

Condition, Origin, and Service Application

The rear subframe crossmember is offered as a used part, sourced from a dismantled BMW vehicle. Such components are often chosen for:

• post-accident repairs of the rear body section, where the factory subframe has been damaged,
• restoring suspension geometry after a strong impact with the rear axle or a curb,
• comprehensive restoration of M models, where maintaining the original load-bearing structure is important.

Choosing a used OEM part allows for the preservation of BMW's original structural solutions while reducing costs compared to purchasing a new crossmember.

Benefits of Using an Original BMW Rear Crossmember

Using an original rear subframe crossmember in a BMW F10 M5 or F12 M6 offers a range of practical service and user benefits:

• factory fit to the body – no need for modifications, drilling, or adapter brackets,
• maintaining the manufacturer's designed rigidity of the rear vehicle structure,
• proper cooperation with standard suspension components and electronic systems responsible for driving stability,
• economic efficiency – favorable price-to-durability ratio compared to new components.

For workshops specializing in the BMW brand and owners of M models, such a part represents a sensible choice for repairs requiring the preservation of original driving characteristics.

More Longitudinal Body Frame Parts and Brackets BMW and a Guide to Used Parts

If you are looking for other longitudinal body frame parts and brackets BMW for similar service applications, check out our dedicated category: BMW longitudinal body frame parts and brackets. You will find a wide selection of structural elements for various models of this brand.

When planning to purchase dismantled parts, it is worth understanding the principles of conscious selection. Practical tips on how to wisely choose used components and optimally maintain your car's performance can be found in the article: Used Parts – Your Guide to the Best Deals in an Automotive Store.

In case of post-accident body repairs and replacement of load-bearing elements, a guide describing repair processes and the selection of dismantled parts may also be helpful: Body and Chassis – Post-Accident Repairs Using Dismantled Parts.