BMW F40 F48 Trunk Lid Boot Lock Soft Close Automatic 7357112

BMW F40 F48 Trunk Lid Boot Lock Soft Close Automatic is an original component from the Trunk lids and rear parts group, designed for installation in the rear section of the vehicle body. It ensures secure locking of the trunk lid, stable cooperation with the opening mechanism, and proper operation of the locking system in BMW vehicles equipped with an automatic transmission. Thanks to its factory design, it is a service-friendly solution that is technically matched to the specific BMW platform.

Specifications and technical data

• SKU: 7357112
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7357112
• Substitutable numbers: 7357112, 51247357112, 2704105, 51242704105
• Location on the vehicle: Rear
• Gearbox type: Automatic
• Category: Boot & Hatch Lids

Purpose and function of the trunk lid lock

The presented lock is responsible for the mechanical locking of the rear trunk lid and works with the factory opening and closing system in BMW F40 and F48 series models. The component is mounted in the rear part of the vehicle, in the trunk lid closure zone, where it withstands the loads resulting from frequent opening and closing, as well as the operation of seals and hinges.

As a component from the Trunk lids and rear parts group, the lock is an essential element of operational safety – it is responsible for keeping the lid in the closed position while driving, reduces lid vibrations, and ensures proper latching, which affects the tightness of the luggage compartment.

Compatibility with BMW vehicles and automatic transmission

The lock has been designed to work with BMW vehicles equipped with an automatic transmission, which is important from the perspective of integration with comfort and safety systems. In such configurations, the trunk lock system often interacts with functions such as locking the opening while in gear or monitoring the closure status in onboard systems.

Its placement in the rear of the vehicle means that the lock's construction is adapted to operate in conditions exposed to moisture, temperature changes, and road debris. The properly selected geometry of the latch and locking mechanism allows for stable closing of the lid without excessive force, which translates into comfort in daily use of the trunk.

Characteristics of the used component

The offered trunk lid lock is a used part, sourced from a dismantled BMW vehicle. Such components are often chosen for professional repairs when the goal is to maintain the factory design and fitment while optimizing service costs. A used OEM element retains the original mounting geometry, which facilitates installation without the need for modifications.

In workshop practice, using an original aftermarket lock allows for restoring the proper operation of the trunk lid in situations such as mechanism wear, damage after a rear-end collision, or closing problems resulting from daily use.

Benefits of using an original BMW lock

• Factory fitment – preservation of original mounting points and compatibility with the handle, actuators, and vehicle wiring.
• Consistency with vehicle systems – compatibility with the electronics and logic of comfort and safety systems in BMW.
• Stable operation of the rear lid – proper locking reduces play, rattling, and accidental opening of the trunk.
• OEM-compliant service solution – easier diagnostics and potential future replacement thanks to the original design.

Application in body and rear zone repairs

The component is suitable both for a typical replacement of a worn-out lock and for more extensive body and paint work in the rear section of the vehicle, where it is necessary to restore the full functionality of the trunk lid. Thanks to the factory design, it is possible to precisely adjust gaps, ensure proper seal adhesion, and maintain the correct operation of the opening mechanism from inside or outside the vehicle.

If you are planning a comprehensive repair or upgrade of the rear body zone in your BMW and need other elements from the same group, such as lid hinges, lifting actuators, or mounting hardware, check out the available parts in the BMW Trunk lids and rear parts category.

Technical support and knowledge about BMW parts

When planning repairs in BMW vehicles – especially in newer generations – it is worth using reliable sources of knowledge regarding compatibility, OEM numbering, and assembly procedures. Our guide dedicated to the B58 unit and accessories for the 3 Series G20 may be helpful, where we discuss, among other things, part selection, VIN verification, and practical assembly checklists: BMW B58 Code – checklist before purchasing accessories for the BMW 3 Series (G20).