BMW 3 Series E90 E90N E91 E91N E92 E93 Upper Part Seal Engine Bonnet Left N/S

BMW 3 Series E90 E90N E91 E91N E92 E93 Upper Part Seal Engine Bonnet Left N/S is a precisely profiled body component responsible for a tight closure of the bonnet on the left side. Thanks to the use of original geometry, the seal ensures stable guidance of the bonnet edge, limits the ingress of contaminants, and helps maintain proper acoustics in the engine compartment. This is a practical solution for users who want to restore the factory fitment of the front body components in their BMW 3 Series E90, E91, or E92 in an orderly manner.

Specifications and technical data

• SKU: 7142049
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7142049
• Substitutable numbers: 51767142049, 7142049
• Location on the vehicle: Left
• Category: Window Seals, Gaskets & Trims

Purpose and function of the bonnet seal

The presented seal is designed for installation on the left side of the engine bonnet in BMW 3 Series models of the E90, E91, and E92 generations. Its task is to create a continuous, flexible barrier between the edge of the bonnet and the adjacent body elements, which:

• limits the ingress of water, mud, and small contaminants into the engine compartment,
• stabilizes the position of the bonnet relative to the fenders and cowl panel,
• supports the reduction of noise and vibrations transmitted from the engine compartment to the body.

Thanks to its fitment for the specific BMW 3 Series generation, the seal works with factory mounting points, which facilitates installation and allows for maintaining the consistency of the body lines.

Construction and fitment for BMW 3 Series E90 / E91 / E92

The seal has been designed as an element from the Window seals and moldings group, which means its profile and hardness have been selected for operation in the contact zone of the body panels. The flexible construction allows for precise adhesion to the edge of the bonnet and neighboring elements, minimizing the risk of gaps and leaks during operation.

The placement on the left side is important from the point of view of the correct distribution of the bonnet pressure forces and maintaining an even gap on both sides of the vehicle. Proper fitment of this seal helps maintain the aesthetic appearance of the front of the car and improves comfort, especially in daily city driving and in conditions of high humidity.

Performance characteristics of the used component

The offered seal is a used component, which in practice means it comes from disassembly and has been verified for further installation suitability. This type of component is a good choice for users who want to reduce repair costs in a controlled manner while maintaining compliance with the original BMW design.

In the case of bonnet seals, it is crucial that they retain appropriate flexibility and continuity of the working profile. A properly selected used element allows for restoring correct bonnet closure without the need for interference with other body components or lock adjustments.

Benefits of using an original bonnet seal

Using a dedicated seal on the left side of the bonnet in a BMW 3 Series E90, E91, E92 brings a number of practical benefits:

• Structural consistency – an element designed for a specific body platform works with factory mounting points and the bonnet line.
• Engine compartment protection – limiting the ingress of moisture and dirt helps maintain better operating conditions for components in the front part of the vehicle.
• Better acoustics – a properly selected seal helps in dampening some of the noise coming from the engine compartment into the cabin.
• Body aesthetics – stable guidance of the bonnet edge makes it easier to maintain even gaps and an orderly appearance of the front of the car.

Expansion of upgrades within BMW seals and moldings

If you are planning a comprehensive repair or upgrade of the body area in your BMW and need other elements from the same group, such as additional edge seals, trim strips, or flexible sealing profiles, check the available parts in the BMW window seals and moldings category.

For users interested in a broader context of using original components in premium vehicles, an interesting supplement may be an article describing the impact of factory parts on the character of the Audi brand – you can find it here: Audi and emotions in their purest form – how used parts help maintain the brand's DNA.