BMW E90 E91 M3 Bowden Cable Rear Door Opener Linkage Left Right N/O/S 7117743

BMW E90 E91 M3 Bowden Cable Rear Door Opener Linkage Left Right is a precision component of the rear door opening mechanism, designed specifically for BMW 3 Series E90/E91 models. It is responsible for the reliable transmission of movement from the handle to the lock, which is crucial for the convenient and trouble-free operation of the door. Thanks to its factory OEM design, the cable ensures proper compatibility with the original lock and handle, without the need for any modifications.

Specifications and technical data

• SKU: 7117743
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 51227117743
• Substitutable numbers: 7117743, 51227117743
• Location on the vehicle: Rear, Right, Left
• Category: Doors & Door Skins

Purpose and function of the door lock cable

The presented cable is a component of the rear door opening system in the BMW 3 Series E90/E91, installed on either the right or left side. Its task is to mechanically connect the handle to the door lock so that the movement of the driver's or passenger's hand is efficiently transmitted to the latching mechanism. The appropriate length, shape of the ends, and cable routing are matched to the factory door design, which allows for smooth handle operation and consistent lock performance.

Compatibility with the body and door system

The cable has been designed for installation in the rear part of the body, with the possibility of use on both the passenger and driver sides. As a result, it can be used to repair various types of damage within the rear door area – from problems with opening from the outside to the handle not returning to its position. The design, intended for specific BMW 3 Series models, allows for maintaining factory routing within the door and correct positioning relative to the door panel and other mechanism components.

Performance characteristics and installation

As a component from the Doors and door panels group, the door lock cable operates in the immediate vicinity of the lock, handle, and internal guides. Proper fitment of the mounting ends and covers allows for stable attachment at the original mounting points. In practice, this translates into:

• reliable transmission of movement from the handle to the lock,
• reduction of play in the opening mechanism,
• maintenance of predictable handle travel,
• the ability to restore factory door operation after repair.

This type of component is particularly useful in cases of mechanical damage to the cable, seizing, or stretching, which manifest as difficulty in opening the door or the lock failing to respond to the movement of the handle.

Benefits of using an original BMW cable

Using a cable dedicated to the BMW 3 Series E90/E91 allows you to avoid problems typical of universal-fit replacements. Factory matching to the door structure translates into:

• stable operation of the lock mechanism in the long term,
• no need for modifications to the door panel or handle,
• easier installation for a mechanic or person servicing the vehicle,
• preservation of the original door opening ergonomics.

This solution is especially recommended for repairs where the goal is to recreate the factory functionality of the door system as faithfully as possible.

Expansion and service of the door zone in BMW

If you are planning a comprehensive repair or upgrade of the door zone in your BMW and need other components from the same group, such as locks, handles, or internal opening mechanisms, check out the available parts in the BMW Doors and door panels category.

For those interested in a broader look at the development of design solutions in the premium segment, including changes in body construction and consumables, the article describing the evolution of flagship Mercedes models may be helpful – you can find it here: The evolution of the Mercedes S-Class – innovations and parts over the years.