BMW F74 Gran Coupé Door Lock Rear Left N/S Latch Locking Mechanism 5A160D1

BMW F74 Gran Coupé Door Lock Rear Left N/S Latch Locking Mechanism is an original component from the Locks and latches group, designed for installation in the rear left door of the vehicle. The part comes from the BMW range, ensuring a perfect fit with the body structure and proper compatibility with the factory electrical and mechanical systems. It is a practical solution when replacing a damaged lock, or addressing issues with door closing or malfunctioning central locking.

Specifications and technical data

• SKU: 5A160D1-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A160D1
• Substitutable numbers: 51225A160D1, 5A160D1, 8498557
• Location on the vehicle: Rear, Left
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the door lock

The presented lock is dedicated for installation in the rear left door, which is crucial for both mounting geometry and compatibility with the handle mechanism, rods, and central locking actuator. The lock construction is responsible for:

• mechanical locking and unlocking of the door from the body side,
• transferring movement from the external and internal handle to the locking mechanism,
• cooperation with the central locking system and control via remote or from inside the vehicle,
• maintaining a stable door position while driving and when closed. Thanks to the factory BMW design, the lock maintains the correct operating characteristics – a tactile closing moment, appropriate locking force, and consistent performance in daily use.

Benefits of using an original BMW lock

Using an original door lock in the BMW F74 Gran Coupé allows for consistency with the factory body and installation design. Key advantages include:

• Full installation compatibility – the hole spacing, housing shape, and mounting points are consistent with the factory solution, which facilitates installation without modifications.
• Proper cooperation with the central locking system – the lock is prepared to work with the original control system, which reduces the risk of communication errors and incorrect locking.
• Stable mechanism operation – the construction designed for a specific body model ensures proper latch guidance and repeatable door closing. For the user, this means predictable lock operation, no play resulting from poor fitment, and maintaining door operation comfort in accordance with the BMW standard.

Installation and operational characteristics

The element has been designed as a body part mounted in the rear left door zone. In practice, this means that it:

• fits the factory mounting points in the door panel,
• works with original rods, handles, and guides,
• is integrated with the locking system intended for the Gran Coupé body. As a part from the Locks and latches group, the lock is responsible for the mechanical safety of the door and keeping it properly in the closed position while driving. Replacing a worn or damaged element with an original BMW component allows for restoring the proper operation of the opening and closing system without the need for compromise solutions.

Part condition and service application

The offered lock is a used part, which in practice is a beneficial service solution for vehicles used on a daily basis. It allows for:

• reducing repair costs while maintaining the original manufacturer's specification,
• maintaining consistency with the factory manufacturing standard,
• easier matching to the existing installation compared to random aftermarket replacements. In case of doubts between choosing a cheap replacement or an original part, it is worth considering long-term operating costs and reliability. The following article may be helpful: Cheap car part replacements – hidden defects and costs, which discusses the differences between budget replacements and OEM components.

Expanding repairs within BMW locks

If you are planning a comprehensive repair or upgrade of the door and locking zone in your BMW and need other elements from the same group, such as locking mechanisms, lock cylinders, or additional mounting elements, check the available parts in the BMW Locks and latches category.