BMW E38 Rear Axle Carrier Subframe Assembly is a structural component from the BMW Longitudinal Body Frame Parts and Brackets category, designed for the rear suspension. It is responsible for the stable mounting of rear drivetrain components, maintaining geometry, and transferring loads to the body in a controlled and predictable manner.
Specifications and technical data
- SKU: 1090510
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 1090510
- Substitutable numbers: 1090510, 33311090510, 1090082, 33311090082
- Location on the vehicle: Rear
- Category: Frame Rails & Subframes
Purpose and Function in the Vehicle
The subframe, also known as the suspension carrier, operates in the rear of the vehicle, serving as a mounting base for key drivetrain elements. It is responsible for:
- rigidly connecting the suspension to the body and proper distribution of forces during driving, braking, and acceleration,
- maintaining the rear axle geometry, which translates to driving stability and even tire wear,
- reducing stress on the body by absorbing some of the dynamic and road loads.
For BMW E38 models, the correct selection of the rear suspension carrier is crucial for maintaining the characteristic ride comfort and precise handling of this model.
Construction and Role in the Load-Bearing System
The subframe belongs to the group of elements referred to as BMW Longitudinal Body Frame Parts and Brackets, meaning it forms part of the vehicle's load-bearing system. Its construction is designed to:
- provide high resistance to torsion and bending while minimizing weight,
- maintain precise mounting points for the suspension and other components,
- operate under variable load conditions typical for premium vehicles.
A properly selected rear suspension carrier helps reduce unwanted vibrations, improves acoustic comfort, and contributes to predictable vehicle behavior in corners.
Benefits of Using an Original BMW Subframe
Using an original BMW part for the E38 rear suspension offers several practical benefits:
- factory fit to the body – maintaining correct mounting points without the need for modifications,
- consistency with suspension design – geometry and rigidity in line with manufacturer specifications,
- easier diagnostics and service – mechanics are familiar with the construction and typical mounting points, speeding up workshop operations.
This solution is particularly important for premium vehicles, where driving precision and comfort are directly linked to the quality of load-bearing components.
Condition, Installation, and Compatibility Verification
The subframe is a used part, allowing for the preservation of original BMW structural specifications. Before installation, a standard workshop inspection is recommended, including an assessment of mounting surfaces, support points, and preparation for further use (e.g., cleaning, anti-corrosion treatment according to service procedures).
To select the correct suspension carrier for a specific BMW E38 version, it is advisable to use the OEM part number and interchangeable numbers – this is the most reliable method for verifying compatibility with a particular vehicle. Additional tips for safely selecting components by number can be found in the guide how to safely buy BMW parts online by OEM numbers, which discusses practical methods for checking compatibility.
BMW Longitudinal Body Frame Parts and Brackets – Selection and System Development
If you are looking for other elements from the BMW Longitudinal Body Frame Parts and Brackets category for your car, check out the available BMW Longitudinal Body Frame Parts and Brackets in our store to comprehensively restore or supplement your vehicle's load-bearing system.
When modernizing or repairing the suspension, it is also worth ensuring proper lighting, especially in premium cars. Our guide complete guide to selecting and replacing used LED and Xenon headlights in BMW will help you choose used headlights and lighting accessories, explaining how to safely select original lighting components.
