BMW 1 Series E87 Window Lifter Rear Left N/S Door

BMW E87 Window Regulator Mechanism Rear Left is a component from the Window Regulators and Motors group, designed for the rear left window in the BMW 1 Series E87 body. This is a practical solution for users who want to restore the proper operation of raising and lowering the window without altering the door structure.

Specifications and technical data

• SKU: 7067799
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 51347067799
• Substitutable numbers: 51347067799, 7067799
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Vehicle Application and Placement

The presented mechanism is dedicated for installation in the rear left part of the vehicle body, in the passenger door area behind the driver. It is responsible for stable window guidance and smooth up and down movement, working in conjunction with the factory control system in the BMW E87. Thanks to its precise fit to the door structure, it does not require bodywork modifications or mounting adaptations.

Technical and Functional Characteristics

The window regulator mechanism belongs to the Window Regulators and Motors category, meaning it is designed to operate under demanding conditions – with frequent window opening and closing cycles. The construction intended for the specific BMW model ensures:

• correct window guidance in the channels,
• stable cooperation with the factory control motor,
• appropriate mounting points to the door,
• maintenance of the original window operating geometry.

This allows for the preservation of factory ergonomics for window operation and proper door sealing around the weatherstrips after installation.

Benefits of Using an Original BMW Mechanism

Using a mechanism designed for the BMW E87 helps reduce the risk of problems typical for aftermarket alternatives, such as improper fit, excessive play, or window jamming. The precise fit to the door structure translates to:

• more reliable window lifting system operation,
• less strain on the cooperating motor,
• maintenance of acoustic comfort inside the cabin,
• easier installation for a mechanic or a DIY repairer.

This solution is particularly useful for repairs after wear and tear damage, such as broken cables, worn guides, or seized moving parts.

Condition and Service Application

The offered mechanism is a used part, making it an attractive cost-effective alternative to new components, while maintaining compliance with BMW's factory specifications. It is suitable for both typical single-door repairs and broader service work involving multiple windows in the vehicle, where functionality and compatibility with the original installation are prioritized.

Repair Extension and Additional Materials

If you are planning a comprehensive repair or upgrade of the side window area in your BMW and need other parts from the same group, such as guides, control motors, or complete lifting mechanisms, check the available parts in the BMW Window Regulators and Motors category.

When planning more extensive service work on cars of this brand, it is also worth paying attention to common engine unit failures. Practical tips on the reliability of selected engines can be found in the article: Commonly Failing BMW E90 Engines – What Can Significantly Increase Operating Costs.