BMW 6 Series E66 Rear Left Side Door N/S Window Glass Black AS3 7043599

BMW 6 Series E66 Rear Left Side Door N/S Window Glass Black AS3 is a factory-original component from the Car windows category, designed for the rear left body section of the luxury BMW 7 Series E66 generation limousine. This used OEM glass ensures a proper fit to the door frame, maintaining factory geometry, aesthetics, and appropriate performance parameters.

Specifications and technical data

• SKU: 7043599
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7043599
• Substitutable numbers: 51357043599, 7043599
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Car Glass

Purpose and fitment

The glass is designed for installation in the rear left door area, which guarantees compatibility with the BMW E66 body structure. The appropriate edge profile and correct glass thickness allow for proper operation with the window lifting mechanism, seals, and door frame, without the need for modifications.

Its original BMW origin means that factory quality standards are maintained, including proper alignment with trim strips, guides, and upholstery elements. As a result, installation is predictable, and the risk of improper glass seating is minimized.

Technical and visual characteristics

The glass belongs to the group marked as AS3, which in practice means the use of the appropriate type of glass intended for automotive body installation. The black border finish allows for an aesthetic connection with the seals and door frame, creating a visually cohesive area of the side body section.

Precise edge finishing and a correctly selected shape contribute to proper adhesion to the seals, which helps reduce unwanted wind noise while driving and supports the airtightness of the vehicle interior.

Condition of the component and benefits of choosing a used part

The item comes from the used BMW parts segment, which allows for cost savings while maintaining the manufacturer's original specifications. Choosing OEM glass from dismantling is a cost-effective solution that is also technically consistent with the vehicle's construction, especially in the case of high-end models such as the BMW E66.

Used door glass also carries a lower risk of fitment issues compared to non-original aftermarket replacements, which is important for the precise adjustment of the window lifting and closing mechanism in the rear doors.

Body function and user comfort

As an element of the side body structure, the rear left window affects several key aspects of vehicle operation:

• it ensures proper visibility for rear seat passengers,
• it helps create an acoustic barrier between the interior and the surroundings,
• it contributes to maintaining the rigidity and tightness of the door zone,
• it influences the overall aesthetics of the side body line.

A correctly selected and installed door glass helps maintain acoustic comfort and visual consistency of the vehicle, which is particularly important in premium class cars.

Selection support and guide materials

When selecting used glass, it is worth paying attention to the consistency of the manufacturer's markings and the placement on the vehicle to avoid installation problems and ensure full compatibility with the body. If you want to better understand how to professionally select used body components and other equipment elements, use the advice contained in the article No more bad purchases! How to professionally select used car parts, saving time and nerves.

In the summer, it is particularly important to maintain appropriate thermal conditions inside the vehicle, which depends not only on the windows but also on an efficient engine cooling system. To better prepare your car for high temperatures and optimize service costs, it is worth reading the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

If you are planning a comprehensive repair or modernization of the side body zone in your BMW and need other elements from the same group, such as front windows, right door windows, or rear windows, check the available parts in the BMW car windows category.