BMW 3 Series E36 Front Right Door O/S Lock Latch Mechanism Catch 8122418

BMW 3 Series E36 Front Right Door O/S Lock Latch Mechanism Catch is an original locking mechanism designed for the front right door of the 3 Series E36. This component is responsible for the precise locking and unlocking of the door, ensuring secure closure and stable operation with the door handle and lock cylinder. Thanks to the factory BMW design, the mechanism maintains proper operating geometry and is perfectly matched to the factory door panel.

Specifications and technical data

• SKU: rhd-8122418
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8122203
• Substitutable numbers: 51218122418, 8122418, 51211960602, 1960602, 51211960818, 1960818, BG
• Location on the vehicle: Front, Right
• Category: Boot & Hatch Lids

Purpose and function in the BMW 3 E36

The presented lock mechanism is dedicated to the front right door of the BMW 3 Series E36, mounted on the passenger side in left-hand drive versions. It is responsible for the mechanical locking of the door, interaction with the external and internal door handle rods, and the vehicle's central locking system (if equipped in the given configuration).

As an original BMW part, the lock maintains the correct mounting points, lever operating angles, and appropriate body rigidity, which reduces the risk of play and issues with door closing after installation.

Mechanism construction and user benefits

The lock mechanism consists of a set of levers, latches, and springs working inside a compact housing that transfers movement from the handle and cylinder to the door bolt. The design has been developed to:

• ensure repeatable locking with normal door closing force,
• maintain a stable door position relative to the pillar after closing,
• reduce noise and vibrations in the lock area while driving,
• work with factory rods and guides in the E36 door.

Thanks to the preservation of the original geometry, installing the lock in the front right door does not require any bodywork modifications or mounting adaptations – the component is ready for installation in place of the factory mechanism.

Condition, fitment, and service application

The offered lock is a used original BMW component, which in practice means maintaining factory build quality and compatibility with the E36 door structure. This is a particularly beneficial solution when:

• repairing a damaged mechanism after a collision or break-in,
• solving problems with doors not closing, bouncing back, or jamming,
• restoring the correct operation of the central locking system after a passenger-side failure.

Selecting the part is facilitated by the ability to verify it by OEM number or interchangeable numbers in the technical specification – this allows for precise matching of the mechanism to the specific body version and model year of the BMW 3 E36.

Support with selection and additional information

If you want to streamline the purchasing process and better understand how to safely select used body parts and lock mechanisms online, use the practical Global Parts guide: Safe purchase of used car parts online – a step-by-step guide. There, you will find tips on verifying OEM numbers, assessing the condition of parts, and matching them to a specific BMW model.

If you are planning a comprehensive repair or upgrade of the rear body area in your BMW and need other components from the same group, such as locks, latches, or locking mechanisms, check the available parts in the BMW Tailgates and rear parts category.