BMW X5 E70 Rear Side Fixed Window Glass Door Left N/S AS3 7129735

BMW X5 E70 Rear Side Fixed Window Glass Door Left N/S is an original component from the Car windows category, designed for the rear left section of the vehicle body. It ensures stable mounting of the side door glass, proper sealing, and an aesthetic finish to the window line, consistent with BMW's factory styling.

Specifications and technical data

• SKU: 7129735
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7129735
• Substitutable numbers: 51357129735, 7129735
• Location on the vehicle: Rear, Left
• Category: Car Glass

Purpose and function of the component

The rear left side fixed window glass in the BMW X5 E70 is responsible for the precise guidance and support of the glass, as well as the tightness of the connection between the glass and the door frame. A properly selected component reduces wind noise, minimizes the risk of moisture ingress, and stabilizes the glass during driving and door operation.

Thanks to its factory geometry and fitment for the specific body model, installation is predictable, with no need for modifications or adjustments. This is particularly important for glazing components, where even minor deviations can cause leaks or improper operation of the window lifting mechanism.

Compatibility and fitment for the BMW X5 E70

The discussed fixed window glass has been designed for a specific location on the vehicle – rear, left side. This means it is compatible with the factory design of the driver-side rear door in the BMW X5 E70, both in terms of shape and mounting method.

The original BMW OE origin translates into:

• maintaining the proper rigidity and stability of the window frame,
• proper adhesion to seals and door panels,
• consistent appearance with other glazing and trim elements.

As a result, after replacement, the component harmoniously integrates into the side line of the body, with no differences in shade or shape compared to the other windows.

Characteristics of the used component

The presented fixed window glass is a used part, which in practice means maintaining the original BMW specification while reducing repair costs compared to a new component. For many users, this is a reasonable compromise between quality and budget, especially for body and glazing repairs where compliance with factory solutions is essential.

Choosing a used OEM component allows for maintaining the technical consistency of the vehicle while limiting service-related expenses. It is a good solution for both post-accident repairs and the replacement of worn or damaged glazing elements.

Benefits of using an original fixed window glass

Using a factory fixed window glass in the BMW X5 E70 brings a number of practical benefits:

• Precise fit – the component is matched to the specific body version, with no risk of installation issues.
• Proper sealing – correct adhesion to seals limits the ingress of water and noise into the interior.
• Consistent aesthetics – maintaining a uniform line of windows and frames characteristic of the BMW X5 E70.
• Operational safety – stable mounting of the glass reduces the risk of stress and cracking during use.

For BMW owners who want to keep their vehicle in a technical and visual condition as close to factory as possible, choosing an original element from the Car windows category is a particularly advantageous solution.

Reasonable savings with used parts

Rising service costs mean that more and more drivers are opting for used OEM components, especially in the area of bodywork and glazing. To better plan your repair budget and make informed choices when buying second-hand parts, it is worth checking out our guide: Rising repair costs and the boom in used parts – how to save on car service?.

If you are planning a comprehensive repair or upgrade of the side glazing area in your BMW and need other components from the same group, such as door glass, fixed windows, or additional glass inserts, check out the available parts in the BMW car windows category.