BMW E64 LCI Window Lifter Regulator With Motor Rear Right O/S

BMW E64 LCI Window Lifter Regulator With Motor Rear Right O/S is an original component from the Window regulators and motors group, designed for the rear right window in the BMW 6 Series E64 convertible. Its precise construction ensures stable window guidance, proper positioning, and smooth operation of the lifting and lowering system, which is crucial for driving comfort and body sealing. This solution is dedicated to users who expect factory-fit quality and proven mechanism operating geometry.

Specifications and technical data

• SKU: 7008630
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 70086230
• Substitutable numbers: 51377008630, 7008630, 7008628
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and function in the BMW E64 Convertible

The presented mechanism is designed to operate in the rear right section of the BMW E64 convertible body. It is responsible for transferring drive from the window control system to the guides and arms that position the window correctly relative to the seals and the door frame or side body panel. This enables:

• precise window closing in automatic or pulse mode,
• maintaining proper pressure against the seals at various driving speeds,
• stable window guidance throughout the entire range of motion, without excessive play.

In a convertible, where the window line interacts with the roof mechanism, a properly functioning window lifter is essential for sealing, acoustics, and the correct operation of the entire body system.

Construction and technical characteristics

The mechanism belongs to the Window regulators and motors group, meaning it works with the window control system in the door or side body panel. The construction includes a set of arms, guides, and mounting elements that are optimized for the body geometry of the BMW E64 Convertible. The applied design solutions allow for:

• even load distribution during window lifting and lowering,
• minimizing the risk of the window tilting in the guides,
• maintaining a repeatable end position, which is essential for sealing and central locking operation.

As an original BMW part, the window lifter is matched to factory mounting points, which facilitates installation and reduces the need for additional adjustments beyond the standard window setting procedure.

Vehicle placement and installation aspects

The window lifter is intended for installation in the rear right part of the body. This location requires following the correct sequence for removing upholstery, seals, and any service covers. When replacing, it is worth paying attention to:

• the condition of the mounts in the body shell and any play at the attachment points,
• correct routing of the electrical harness that works with the window regulator,
• calibration of the window position after installation to ensure proper contact with the seals.

Due to the factory fit, the mechanism allows for maintaining the original window operating geometry, which is particularly important in a convertible, where the window line interacts with the roof mechanism and side sealing.

Component condition and service application

The offered window lifter is a used component, making it an attractive service solution for BMW E64 Convertible owners who want to restore the window system's efficiency while keeping repair costs reasonable. This type of part is particularly useful in situations where:

• the original mechanism has suffered mechanical damage (e.g., broken arms, damaged mounts),
• there are problems with smooth window movement despite a functional electrical control,
• it is necessary to replace the complete assembly instead of regenerating individual components.

Using an original mechanism from the same model group allows for maintaining the vehicle's structural consistency and limiting the risk of fitment issues.

BMW Window regulators and motors – expansion and service

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 guides, lifting mechanisms, or electric drives, check the available parts in the BMW Window regulators and motors category.

Technical support and knowledge about BMW operation

When performing service work on BMW cars, it is worth knowing the typical weak points of individual models to better plan inspections and repairs. A practical guide regarding 3 Series engines may be helpful, available in the article Troublesome BMW E90 engines: check what can ruin your budget!, which shows how to approach the operation and service of this brand's cars consciously.