BMW X3 F25 X4 F26 Front Bonnet Engine Seal Gasket Rubber Rear Side 7234371

BMW X3 F25 X4 F26 Front Bonnet Engine Seal Gasket Rubber Rear Side is an original component from the Seals and Gaskets group, designed for use in critical bodywork areas. Thanks to its precise fit for specific BMW models, it ensures a tight closure of the bonnet and stable positioning of the sheet metal edges, which translates into reduced noise, vibrations, and the prevention of contaminants entering the engine compartment.

Specifications and technical data

• SKU: 7234371
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7234371
• Substitutable numbers: 51767234371, 7234371
• Location on the vehicle: Front, Rear
• Category: Gaskets & Seals

Purpose and function of the BMW bonnet seal

The presented bonnet seal has been designed for BMW X3 F25 and X4 F26 models and operates in the area of the front and rear bonnet edges, as well as the side zones. Its task is to:

• limit the ingress of water, mud, and dust into the engine compartment,
• reduce wind noise and bonnet vibrations while driving,
• stabilize the fit of the bonnet to the bodywork along the entire perimeter,
• protect the paint at the metal-to-rubber contact point from abrasion.

This solution improves acoustic comfort inside the vehicle and supports long-term protection of mechanical and electrical components within the engine bay.

Construction and material properties

The seal is made of flexible rubber material, selected for performance in varying temperature conditions and constant exposure to atmospheric factors. The design, intended for the specific geometry of the BMW X3 F25 and X4 F26 bonnet, ensures:

• precise fit to the sheet metal edge,
• proper pressure when the bonnet is closed,
• stable shape retention over a long period of use.

As a result, the seal maintains its damping and sealing properties, and the bonnet line remains visually consistent with the rest of the bodywork.

Vehicle placement and installation aspects

The component is intended for installation in the front and rear bonnet area, with the possibility of routing along the side edges, in accordance with the factory BMW design. Such placement allows for:

• sealing the entire bonnet perimeter in one system,
• even pressure distribution upon closing,
• reduction of point stress on the paint and sheet metal.

The seal is a replacement/service-type component – installation is performed in place of the factory part, maintaining original mounting and routing points, which facilitates work for a workshop or an experienced user.

Characteristics of the original BMW part

As a BMW brand product from the Seals and Gaskets group, this component has been developed for the specific body construction of the X3 F25 and X4 F26. This means:

• maintaining factory assembly clearances and alignment lines,
• compatibility with existing covers, mounts, and bonnet locks,
• consistency with other seals within the engine compartment.

Using an OEM part allows for the restoration of proper sealing and operational comfort without the need for replacements with uncertain fitment.

Selection support and additional information

If you are planning a comprehensive repair or upgrade of the bonnet sealing area in your BMW and need other components from the same group, such as additional rubber profiles, perimeter seals, or engine compartment gaskets, check the available parts in the BMW Seals and Gaskets category.

When selecting used body and drivetrain components, it is worth following proven technical condition assessment procedures – you can find practical tips in the guide: Second-hand differential – what you need to know about used differentials, sensors, and drivetrain systems.