BMW F31 Trunk Lid Lock Top Rear Boot Catch 4817123

BMW F31 Rear Trunk Lock is a component from the locks and latches category, designed for installation in the rear of the body. This is a practical solution for users who need a proven, used lock that ensures secure closing and safe latching of the trunk lid on BMW F31 series models.

Specifications and technical data

• SKU: 4817123
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4817123
• Substitutable numbers: 51244817123, 4817123, EM
• Location on the vehicle: Rear
• Category: Exterior Locks & Lock Hardware

Purpose and Function of the BMW F31 Trunk Lock

The BMW F31 Rear Trunk Lock is responsible for the mechanical latching of the rear trunk lid and for cooperating with the vehicle's opening and closing system. Its placement in the rear body area makes it a crucial element for trunk sealing, protecting transported cargo, and ensuring the proper functioning of the central locking system.

As part of the locks and latches group, this component is designed for:

• stable holding of the trunk lid in the closed position,
• cooperation with the factory opening mechanism,
• resistance to typical operational loads in the rear area of the vehicle.

Construction and Fit for BMW Bodywork

The lock is structurally adapted to the rear trunk lid of the BMW F31 touring body, with appropriate mounting point spacing and a body shape tailored to the factory paneling. This allows for maintaining the correct closing geometry, which reduces the risk of play, rattling, or incomplete trunk lid closure.

The element is designed as an original BMW part, which translates to:

• compatibility with factory wiring harnesses and accessories,
• consistency with the vehicle's security system,
• easier installation in place of a worn or damaged lock.

Condition, Origin, and Service Application

The offered trunk lock is a used BMW part, which is an advantageous service solution for drivers looking for parts at a reasonable price while maintaining the original manufacturer's specifications. This type of component is particularly useful for:

• repairs after collisions in the rear of the vehicle,
• mechanical damage to the lock (no latching, jamming),
• problems with closing or accidental opening of the trunk lid.

Replacing it with an original lock from the same model series helps reduce installation time and the risk of issues with fitment or compatibility with the vehicle's electronics.

Benefits of Using an Original BMW Lock

Using a trunk lock dedicated to the BMW F31 offers a range of practical operational benefits. The most important include:

• maintaining factory functionality of the central locking system and trunk opening system,
• proper latching and closing, contributing to acoustic comfort inside the cabin,
• better protection of luggage against accidental opening of the trunk lid while driving.

For workshops and services specializing in the BMW brand, a used, original lock is often the preferred solution for accident repairs and for resolving operational faults.

Other BMW Locks and Latches and Guide Materials

If you also need other BMW locks and latches for your car, check out our dedicated offer: BMW locks and latches. This will help you easily select cohesive body components within a single brand.

When planning more extensive repairs or drivetrain upgrades, it is worth familiarizing yourself with practical advice regarding transmissions. The article: Gearbox: Manual, Automatic, or DSG – Common Faults and a Used Gearbox Buying Guide may be helpful, facilitating informed choices for used drivetrain components.