BMW 1 2 3 4 Series F20 F21 F30 F31 Rear Arm Splash Guard Wishbone Cover Left N/S

The BMW F20 F21 F30 Rear Left Lower Control Arm Cover is an original chassis component designed to protect the rear left lower control arm on BMW 1 and 3 Series models. This used cover provides stable mounting and effective protection for the critical suspension point against dirt and external factors, contributing to the maintenance of correct geometry and driving system performance. It's a practical solution for users who want to restore full chassis functionality in a technically correct and economical way.

Specifications and technical data

• SKU: 6796137
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6796137
• Substitutable numbers: 6796137, 33326796137
• Location on the vehicle: Rear, Left
• Category: Other Exterior Parts & Accessories

Purpose and Function of the Control Arm Cover

The presented cover is a component mounted in the rear – left side of the vehicle, where it is responsible for protecting the lower control arm and adjacent suspension components. Its task is to limit direct contact of working parts with water, mud, small stones, and other contaminants that can accelerate wear of joints, bushings, or mountings.

Using a dedicated control arm cover translates to:

• more stable suspension operating conditions in daily use,
• reduced risk of corrosion in the area of mountings and connection points,
• easier maintenance of chassis cleanliness in the control arm area.

Compatibility with BMW F20, F21, F30 Platform

The cover has been specifically designed for the chassis construction of BMW F-Series vehicles, meaning it is tailored to the body and suspension geometry of these models. Thanks to this, the component retains the correct mounting points and shape consistent with the manufacturer's original specifications.

In practice, this means:

• secure fit with the wheel arch and rear left lower control arm,
• no need for modifications or adjustments to the mountings,
• preservation of the original chassis protection concept intended by BMW.

For the user, this translates to hassle-free installation in a workshop and predictable vehicle behavior after the component replacement.

Characteristics of the Used Part

The cover belongs to the Other category, which in this case means a specialized, structural chassis component. It is not a wear-and-tear item in the classic sense (like brake pads or discs) but significantly impacts suspension operation. As a used part, it retains its original geometry and mounting method, which is particularly important for repairs after mechanical damage or corrosion.

Choosing an original part from disassembly is a beneficial solution for drivers who want to:

• maintain the chassis structure's consistency with BMW's factory design,
• optimize repair costs while maintaining appropriate quality,
• avoid fitting problems typical of universal aftermarket replacements.

Installation and Service Aspects

The rear left lower control arm chassis cover is a component that is usually installed during suspension repairs, lower control arm replacement, or chassis refurbishment work. Thanks to its factory design, standard mounting points provided by the vehicle manufacturer can be used.

When planning installation, it is worth paying attention to:

• the condition of mountings in the body and around the control arm,
• the correct positioning of the cover relative to other chassis components,
• visual inspection after installation for any potential collisions with moving suspension parts.

This approach allows for full utilization of the cover's protective function and reduces the risk of repeat repairs in a short period.

Related Technical Content and Parts Offer

If you are looking for other components in the Other category dedicated to this brand, check out our offer at BMW Other Parts, where you will find a wide selection of chassis, body, and auxiliary equipment components tailored to various series from this manufacturer.

For those interested in comparing the structural solutions in sports models and their impact on the chassis and suspension, we recommend the blog article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses the differences in the construction of driving systems and applied components.

Summary

The BMW F20 F21 F30 Rear Left Lower Control Arm Cover is a practical choice for drivers and workshops aiming to restore proper protection to the rear left suspension while maintaining BMW's original design concept. Its dedicated purpose, compatibility with the F20/F21/F30 platform, and the function of securing the lower control arm make it a sensible solution for chassis repairs and suspension-related service work.