BMW 6 Series E63 E64 Front Right Handle O/S Lock Catch Cylinder 7127804

BMW 6 Series E63 E64 Front Right Handle O/S Lock Catch Cylinder is an original part from the Doors and Door Panels group, designed for installation on the front right side of the body. This is a used OEM BMW component that allows for the preservation of factory lock and handle functionality, as well as proper operation of the door locking mechanism.

Specifications and technical data

• SKU: rhd-7127804
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7127804
• Substitutable numbers: 51217127804, 7127804, EM
• Location on the vehicle: Front, Right
• Category: Doors & Door Skins

Part Purpose and Function

The presented external front right door handle lock cylinder is specifically designed for the BMW 6 Series E63/E64. It is responsible for precisely transferring the key's movement to the locking mechanism, ensuring correct opening and closing of the driver's or passenger's door from the outside of the vehicle.

Thanks to its factory design, the part works in conjunction with the original lock mechanism, maintaining proper operating geometry, correct pin guidance, and stable mounting within the door structure.

Construction and Fitment for BMW 6 Series E63/E64

The lock cylinder integrated with the front right door handle was developed by BMW as part of the cabin access security system. The design includes:

• dedicated placement in the front right door,
• compatibility with the factory locking mechanism,
• appropriate mounting sockets matched to the door panel of the 6 Series E63/E64.

As an OEM part, it maintains correct assembly tolerances, which facilitates installation and reduces the risk of play, jamming, or leaks around the handle.

Condition, Application, and Benefits of Installation

The offered lock cylinder is a used part, which in practice means the possibility of an economical repair of the door locking system while maintaining original BMW manufacturing quality. It is particularly useful in situations where there has been mechanical damage to the handle, wear of the lock cylinder, or interference with the door panel.

Replacing it with an original part from the same model series allows for:

• restoring correct lock operation on the front right side,
• maintaining the structural integrity and rigidity of the door,
• minimizing the need for modifications or fitting non-original parts.

Why Choose an Original BMW Door Part

Using an original lock cylinder within the Doors and Door Panels of the BMW 6 Series E63/E64 allows for the preservation of the original opening mechanism's operating parameters. This solution is particularly beneficial for users who value:

• consistent operation of all locks in the vehicle,
• proper alignment of the handle with the door panel,
• maintaining the car's value by using OEM components.

As a result, the repair does not negatively affect the ergonomics of door use or the external aesthetics of the vehicle.

If you are planning a comprehensive renovation or repair of the opening mechanisms in your BMW 6 Series and need other parts related to door construction, locks, or panels, check the available parts in the BMW Doors and Door Panels category.

To better understand the importance of using original OEM components and the correct selection of used parts by catalog numbers or VIN, it is worth reading the technical guide in the article Audi's Five-Cylinder Engine – A Legend from Quattro to RS3 and How to Care for It with Original Audi Parts, which discusses practical principles for selecting parts and verifying their compatibility.