BMW E81 E87 E90 E91 E92 Underbody Protection Stone Chip Left N/S Bracket 6775539

Visual condition of the part

The product shows signs of use visible in the photos.

The BMW E81 E87 E90 E91 E92 Chassis Cover for Subframe/Beam Left Rear is an original body part from the mud flaps category, designed to protect the rear part of the subframe and beam on the left side. It provides effective underbody protection against water, mud, and minor mechanical damage, contributing to stable suspension operation.

Specifications and technical data

• SKU: 6775539-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6775539
• Substitutable numbers: 6775539, 33316775539
• Location on the vehicle: Left
• Part type: Splash Guard
• Category: Splash Guards & Mud Flaps

Purpose and Function of the Underbody Cover

The underbody cover for the rear left subframe/beam is designed for BMW E81, E87, E90, E91, and E92 series models. Its purpose is to protect the rear part of the load-bearing structure from road debris, moisture, and minor stone impacts, thereby reducing the risk of accelerated corrosion and operational damage.

This component plays an important role in the wheel arch and underbody area, helping to maintain stable suspension operating conditions and improving the overall durability of components mounted in the subframe and beam area.

Construction and Vehicle Placement

The presented cover is designed for installation on the left side at the rear of the vehicle. Its construction is profiled for specific BMW body types, allowing for precise fitting with the subframe, beam, and adjacent wheel arch elements.

• Dedicated Placement – installation on the left side at the rear of the vehicle, according to the factory underbody layout.
• Proper Debris Management – the cover's shape facilitates the drainage of water and mud away from critical structural points.
• Compatibility with Factory Mounting Points – the part is designed to work with original body mounting brackets.

Benefits of Using an Original BMW Cover

Using an original underbody cover on BMW E8x/E9x series vehicles helps maintain the factory underbody protection geometry and predictable vehicle behavior during daily operation. Replacing a damaged or missing cover is particularly important for cars used in more challenging road conditions.

• Enhanced Protection for Subframe and Beam – reducing direct contact of structural elements with water, salt, and stones.
• Support for Suspension Durability – minimizing the risk of accelerated wear of mounts and metal components in the rear axle area.
• Consistency with Factory Design – maintaining original airflow and debris management within the underbody.

Item Condition and Practical Application

The rear left subframe/beam underbody cover is a used part, allowing for an economical restoration of underbody completeness in BMW E81, E87, E90, E91, and E92 series vehicles. This solution is particularly beneficial for post-accident repairs, underbody reconstructions, or supplementing missing protective elements.

It is always advisable to verify the correct cover for a specific body version and engine based on vehicle data to ensure proper fitment and hassle-free installation.

Other BMW Mud Flaps and Used Parts Knowledge

If you are looking for other parts from the BMW mud flaps category for your car, check out the BMW mud flaps available in our store to select suitable wheel arch and underbody covers for other models of this brand.

More information about the advantages of using original used premium brand components can be found in our guide article used parts for Mercedes – original parts from dismantling, which shows how to sensibly combine OEM quality with cost control for servicing.