Hood Lock BMW F20 F21 F30 F31 Bonnet Left N/S Lower Part Assembly 7242548

Visual condition of the part 

The product shows signs of use visible in the photos. 

Hood Lock BMW F20 F21 F30 F31 Bonnet Left N/S Lower Part Assembly is an original component from the Hood hinges, locks and other parts group, designed for precise locking of the front hood in BMW vehicles. The lock construction is engineered to ensure stable hood closure, proper interaction with the opening mechanism, and safe vehicle operation in daily use.

Specifications and technical data

• SKU: 7242548-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7242548
• Substitutable numbers: 7242548, 51237242548, 4895946, 51234895946
• Location on the vehicle: Left
• Category: Hinges, Latches & Additional Bonnet Components

Purpose and function of the hood lock

The presented lock is responsible for the mechanical securing of the hood on the left side, keeping the hood in a stable position while driving and when parked. A properly functioning lock minimizes the risk of the hood opening unexpectedly and also ensures the correct alignment of the hood edges relative to the fenders and the front panel, which is important for both safety and body aesthetics.

The component is dedicated to installation on the left side of the vehicle, which facilitates part selection in case of post-collision repairs or replacement of a worn-out mechanism. Using an original BMW solution allows for maintaining the factory operating characteristics of the lock and compatibility with the release cable and other system components.

Construction and technical features

The hood lock is constructed as a precision locking mechanism that works with the hood striker and the cabin release system. The properly selected geometry of the working elements ensures smooth guidance of the lock tongue, secure locking of the hood, and repeatable closing without the need for excessive force.

Key functional features include:

• dedicated placement on the left side of the vehicle,
• compatibility with the factory BMW hood opening system,
• maintaining the correct position of the hood relative to the body after closing,
• possibility of installation in place of the original lock without structural modifications.

Condition, fitment, and installation

The offered lock comes from a BMW vehicle and is a used component, which allows for maintaining factory fitment to the body structure. Thanks to this, the installation process is similar to a standard service replacement – using the original mounting points and the factory release cable.

Before installation, it is recommended to perform a standard inspection of the mechanism, check the smoothness of operation, and properly adjust the position relative to the hood striker. Proper adjustment affects the comfort of closing, the absence of play, and even adhesion of the hood to the seals and adjacent elements.

Application in body repairs

Replacing the hood lock is particularly important after frontal collision repairs, when the hood, front panel, or mounts may be deformed. Using an original BMW solution helps restore the correct geometry of the hood closure and ensures repeatable operation of the mechanism over a long period of use.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as locks, hinges, or additional hood mounts, check the available parts in the BMW hood hinges, locks and other parts category.

Technical support and additional knowledge

When selecting used body elements and accessories, it is worth using reliable sources of information and proven service procedures. In the context of other vehicle subassemblies, such as the air conditioning or heating system, a guide describing the selection and operation of OEM components may be helpful – detailed tips can be found in the article Air conditioning and heating – part selection and maintenance for year-round comfort.

If you are interested in a broader perspective on choosing used original parts for popular models, practical comparisons and tips can also be found in the guide material Best used car parts – a guide to the most frequently chosen original parts.