BMW 3 Series E46 Cabrio Rear Right Inner Window Channel Cover O/S 7026390

BMW 3 Series E46 Cabrio Rear Right Inner Window Channel Cover O/S is an original body component designed for installation on the rear right side of the convertible version. It ensures stable window guidance within the channel, which translates into smooth operation of the window mechanism and reduces unwanted play and noise. This is a practical solution for users who want to restore the proper functioning of the side window in their convertible in a technically correct manner.

Specifications and technical data

• SKU: 7026390
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7026390
• Substitutable numbers: 51367026390, 7026390, eM
• Location on the vehicle: Rear, Right
• Category: Other Interior Parts & Accessories

Purpose and function of the component

The presented inner window channel cover has been designed specifically for the rear right side of the BMW 3 Series E46 Cabrio body. Its task is to guide the window in the correct track and protect the glass edge from excessive wear resulting from the operation of the lifting and lowering mechanism.

Thanks to its precise fit to the door/rear panel structure of the convertible, the component helps maintain:

• stable window positioning in the guide while driving,
• proper interaction with the lifting mechanism,
• reduction of vibrations and rattling in the rear side window area.

Original origin and fitment

The cover comes from the original BMW line, which means it retains factory dimensions, shape, and mounting points. In practice, this translates into:

• secure fitment with the rear body structure on the right side,
• compatibility with the stock window mechanism in the E46 Cabrio,
• no need for modifications or adjustments during installation.

The used OEM component is a good choice for those who want to maintain consistency with the vehicle's factory specifications while optimizing repair costs compared to new parts.

Condition and service application

The item is in used condition, which is typical for original parts dismantled from donor vehicles. This type of component is particularly suitable in situations where:

• the existing guide cover has suffered mechanical damage,
• there are issues with the smooth movement of the rear right window,
• replacement of the component is necessary as part of an accident repair or convertible body restoration.

Using an original window channel cover allows for restoring the proper operating conditions of the window mechanism, which is important for both user comfort and the durability of the glass itself.

Benefits of installation in the BMW 3 E46 Cabrio

Replacing a worn or damaged guide cover with a functional OEM component brings measurable operational benefits:

• more predictable window guidance in extreme positions,
• reduced risk of glass edge scratches,
• reduction of unwanted operating noises in the rear part of the body.

For users who care about the technical condition of their convertible, this is a practical way to maintain correct window operating geometry and preserve driving comfort with windows both raised and lowered.

If you are planning a comprehensive repair or upgrade of the side window area in your BMW and need other components from the same group, such as additional covers, guides, or small fasteners, check the available parts in the Other BMW category.

Technical support and knowledge of sports constructions

When selecting body components and window accessories, it can be helpful to understand the structural differences between individual model lines and high-performance versions. In this context, it is worth reading an article discussing the construction of engines, brakes, and chassis in sports-oriented cars – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.