BMW E81 E87 E90 E91 E92 Gravity Performance Rear Suspension Trailing Arm Set

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E81 E87 E90 E91 E92 Gravity Performance Rear Suspension Trailing Arm Set is a precision-engineered suspension component kit designed for the rear axle of popular BMW 1 and 3 Series models. With a design focused on stable handling and the ability to adjust suspension geometry, this set is suitable for both daily-driven vehicles and cars prepared for more dynamic driving. It is a solution for drivers who expect better control over rear axle performance and consistent vehicle behavior in corners.

Specifications and technical data

• SKU: ADJUSTABLE-ARMS-GRAVITY
• Mark: Unbranded
• Condition: Used
• OEM Part Number: ADJUSTABLE-ARMS-GRAVITY
• Substitutable numbers: Gravity Performance, Trailing Arm Set
• Location on the vehicle: Rear
• Category: Radius, Swing & Trailing Arms

Purpose and function in BMW suspension

The presented rear trailing arm set has been designed for installation in the rear suspension of BMW E81, E87, E90, E91, and E92 series. These components are responsible for guiding the wheel in the longitudinal axis, maintaining stable geometry, and transferring loads generated during acceleration, braking, and traversing uneven surfaces. Properly selected and functional control arms in this area translate into:

• more predictable vehicle behavior in corners,
• even tire wear,
• better traction during dynamic driving,
• reduced unwanted rear axle movement.

For users who are modifying their suspension or lowering their vehicle, this set is particularly valuable as it allows for more precise geometry adjustment and the maintenance of correct wheel operating angles.

Characteristics of the Gravity Performance set

BMW E81 E87 E90 E91 E92 Gravity Performance Rear Suspension Trailing Arm Set is a set of components designed to work in the rear suspension, selected for compatibility with the E8x/E9x platform. The set enables:

• stable wheel guidance on the rear axle under road loads,
• more precise toe and geometry adjustment compared to worn factory components,
• customization of suspension characteristics to individual driver needs (e.g., track days, sports driving, dynamic road driving).

As a result, the driver receives a consistent, technically refined solution that supports the performance of other suspension components – springs, shock absorbers, and stabilizers.

Integration with the suspension system and ride comfort

The rear control arms from this set work with the factory BMW suspension system, maintaining the correct kinematics and axle operating characteristics. Properly selected and adjusted components contribute to:

• more linear vehicle response to steering inputs,
• increased stability at higher speeds,
• reduction of the "floating" effect of the rear axle on uneven surfaces.

This is particularly important in cars equipped with stiffer springs or sports shock absorbers – properly configured control arms help to fully utilize the potential of such a setup without compromising handling predictability. For the user, this means more confident vehicle behavior on both dry and wet surfaces.

Selection, installation, and vehicle parameter compliance

Before installing the set, it is recommended to verify compatibility with the specific body version and suspension system of your BMW. After installation, a professional geometry alignment is necessary to fully utilize the adjustment capabilities and ensure correct wheel angles. This installation method allows you to:

• minimize tire wear,
• achieve stable handling during braking and acceleration,
• adjust the car's characteristics to driver preferences (more neutral or slightly oversteering response).

The product belongs to the Control arms and tie rods group, which facilitates its identification in the context of other chassis components when planning comprehensive suspension maintenance.

If you are planning a comprehensive repair or upgrade of the rear suspension area in your BMW and need other components from the same group, such as additional control arms, rods, or adjustment elements, check the available parts in the Unbranded Control arms and tie rods category.

Technical support and suspension knowledge

To better understand the role of control arms, shock absorbers, and stabilizers in driving safety and the impact of their condition on vehicle handling, it is worth reading the guide Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. This will allow you to consciously select components for your BMW and plan suspension service in a technically consistent manner.