BMW 3 Series E36 Rear Left Door N/S Lock Latch Mechanism Catch 8122419

BMW 3 Series E36 Rear Left Door N/S Lock Latch Mechanism Catch is an original component from the Tailgates and rear parts group, designed for installation on the rear left side of the BMW body. This used lock ensures factory mechanical and electrical fitment, facilitating the seamless replacement of a damaged component and restoring proper door closing and locking functionality.

Specifications and technical data

• SKU: 8122419
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8122419
• Substitutable numbers: 51228122419, 8122419, 51221960841, 1960841, 51221960607, 1960607, BG
• Location on the vehicle: Rear, Left
• Category: Boot & Hatch Lids

Purpose and function of the rear left door lock

BMW 3 Series E36 Rear Left Door N/S Lock Latch Mechanism Catch is responsible for securely locking the door on the rear left side of the vehicle. The component works in conjunction with the handle mechanism, rods, and central locking system, ensuring proper closing, keeping the door in a closed position, and providing stable operation of the opening system from both the inside and outside.

Its placement in the rear left zone allows for precise adjustment to the BMW door structure, without the need for modifications or adaptations. By maintaining the original mounting geometry, the lock works with factory guides, catches, and seals, which reduces the risk of play, rattling, and leaks.

Benefits of using an original BMW lock

Using an original lock from the Tailgates and rear parts group in a BMW E36 helps maintain the structural integrity of the body and the correct operation of the locking system. Compared to aftermarket replacements, the OEM component provides:

• factory fitment to the rear left door without additional modifications,
• proper cooperation with the existing central locking system and vehicle wiring,
• stable door locking, reducing the risk of accidental opening while driving,
• preservation of the original operating characteristics of the handle and lock cylinder.

For users who care about the technical consistency of their vehicle, it is also important that the lock has dedicated part numbers and interchangeable numbers, which facilitates verifying compatibility with a specific BMW body version and model year.

Condition, installation, and service application

The offered lock is in used condition, which allows for an economical replacement of the component while maintaining the manufacturer's original specifications. This type of part is suitable both for typical repairs after a locking mechanism failure and for bodywork and paint jobs following a collision, when it is necessary to replace the complete door assembly or its accessories.

Due to its factory origin, installation proceeds in a manner similar to BMW service procedures – the lock can be removed and installed using standard workshop tools, without the need to interfere with the door structure. This solution is particularly beneficial for workshops specializing in the BMW brand and for users servicing their vehicles themselves.

Part selection and expanding the scope of repair

When selecting a rear left door lock for a BMW E36, it is worth paying attention to the compatibility of the OEM part number and interchangeable numbers to ensure that the component will work with the specific body version and equipment. The presence of reference numbers facilitates identification in service catalogs and part selection systems.

If you are planning a comprehensive repair or upgrade of the rear 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.

Technical support and service knowledge

In case of problems with door closing, play in the mechanism, or incorrect operation of the central locking, it is worth performing a thorough diagnosis of the entire locking system, including the lock, related rods, handles, and electrical installation. A well-chosen, original rear left lock is a key element of such a repair, allowing for the restoration of proper door functionality and vehicle comfort.

For users interested in deepening their knowledge regarding the diagnosis of vehicle equipment and systems, an article describing the symptoms and consequences of neglect in fuel systems may be helpful, available here: Diesel injector faults – how to recognize them and the risks of neglecting them.