BMW E81 E87 E92 X1 E84 Rear Subframe Mount Push Rod Left N/S 6784315

The BMW E81 E87 E92 Rear Left Trailing Arm Link is an original structural component designed for the rear suspension on the left side. This used BMW part helps restore correct rear axle geometry and stability, contributing to safe and predictable vehicle handling.

Specifications and technical data

• SKU: 6784315
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6784315
• Substitutable numbers: 33326784315, 6784315, 33326777638, 6777638
• Location on the vehicle: Rear, Left
• Category: Other Steering & Suspension Parts

Component Purpose and Function

The rear left trailing arm link operates within the rear axle area, responsible for a rigid and repeatable connection of the suspension's load-bearing elements. A correctly selected and functional link:

• stabilizes the beam in the transverse and longitudinal axes,
• limits undesirable displacement under load,
• supports the maintenance of proper wheel alignment and camber angles,
• reduces the risk of vibrations and noises originating from the rear of the body.

This ensures the suspension operates within the manufacturer's intended parameters, and the vehicle maintains predictable responses during braking, acceleration, and cornering.

Compatibility with BMW Models and Placement

This link has been specifically designed for the 1 and 3 Series platforms, such as E81, E87, and E92, taking into account the rear axle characteristics of these constructions. The rear, left placement indicates installation on the driver's side at the rear of the vehicle, which is important for selecting parts in relation to other suspension components.

Proper matching of mounting geometry and link shape to a specific BMW generation ensures the preservation of factory force distribution within the body and beam structure. This is particularly important for cars used dynamically, where suspension loads are significantly higher.

Benefits of Using an Original Trailing Arm Link

Choosing an original rear trailing arm link offers a range of practical advantages:

• Factory Fitment – maintains the correct position of the beam and mounting points without the need for modifications.
• Suspension Cohesion – works in conjunction with other system components as intended by the manufacturer.
• Handling Stability – limits uncontrolled movements of the rear axle, especially noticeable at higher speeds.
• Structural Safety – transfers loads predictably, reducing the risk of damage to other components.

For workshops and users, this translates to easier geometry adjustments and reduced susceptibility to recurring play and knocking in the rear suspension area.

Condition, Verification, and Service Application

This component is from a disassembly and is offered as a used BMW component, providing a cost-effective solution while maintaining original specifications. This type of part is particularly suitable for:

• rear body accident repairs,
• eliminating play and knocking in the rear beam area,
• restoring correct geometry after replacing other suspension components,
• fleet vehicle servicing, where reasonable repair costs with OEM quality are important.

It is always advisable to confirm the suitability of the link for a specific vehicle instance based on catalog data and technical specifications to ensure full compatibility with the given suspension configuration.

Other Products and Technical Knowledge

If you are also looking for other elements in the Other category dedicated to this brand, check out our offer for other BMW parts, where you will find a wide selection of structural and mounting components for various models.

For those interested in comparing technical solutions in sports car versions, it is worth reading the article discussing differences in engine, brake, and chassis construction – details can be found here: Audi RS vs Other Models – What Lies Under the Hood and Chassis?.