BMW 1 3 Series E87 E90 E91 Sealing Engine Compartment Lateral Tear Side Seal

BMW 1 3 Series E87 E90 E91 Sealing Engine Compartment Lateral Tear Side Seal is a precisely fitted body component designed for installation in the front part of the engine compartment. It is responsible for a tight connection between the hood, the cowl panel, and the engine area, which helps to limit the ingress of water, dirt, and noise into sensitive areas. Thanks to the use of original geometry, the seal ensures stable seating and predictable performance during operation.

Specifications and technical data

• SKU: 7158690
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7158690
• Substitutable numbers: 51767158690, 7158690, 51237150644, 7150644
• Location on the vehicle: Front
• Category: Other Engine Parts

Purpose and function in the vehicle

The cowl seal in BMW 1 3 Series E87 E90 E91 models operates in the front body zone, in the immediate vicinity of the engine compartment. Its task is to:

• limit the ingress of water and contaminants from under the hood edge into the cowl area,
• stabilize airflow in the area of the windshield and engine compartment,
• protect components located under the cowl, such as electrical installations or wiper mechanisms, from excessive contact with moisture.

A properly selected seal in this location contributes to the vehicle's operating refinement by reducing unwanted noise and the risk of dirt accumulation in hard-to-reach spaces.

Construction and fitment for BMW E87 / E90 / E91

The presented seal has been designed specifically for the construction of the front body section in selected BMW models. This means that its profile, length, and routing are adapted to the shape of the hood and cowl of these generations. As a result:

• the contact line with the hood is uniform along its entire length,
• the seal works with factory mounting points,
• visual consistency with other engine compartment components is maintained.

Such fitment allows for trouble-free installation and the maintenance of the factory finish character of the vehicle's front section.

Benefits of using an original cowl seal

Using a dedicated seal in the cowl zone brings a number of practical operational benefits:

• better protection of the engine compartment and cowl against splash water and road dust,
• reduced risk of accelerated corrosion of metal components in the front body area,
• more stable operating conditions for electrical installations and mechanisms located under the cowl,
• maintenance of an orderly, visually consistent area around the engine.

For users who care about the technical and visual condition of their vehicle, this is a practical maintenance element that supports the long-term operation of the car.

Characteristics of the used component

The offered seal comes from dismantling, which allows for maintaining the original mounting specification proper for BMW. A used element of this type is particularly attractive in situations where the existing seal has worn out, hardened, or suffered mechanical damage, and the priority is to maintain factory fitment at reasonable repair costs.

Related categories and technical materials

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 additional seals, covers, or small mounting components, check the available parts in the Other BMW category.

For a better understanding of the structural differences between sports and standard versions of cars, including solutions within the engine and chassis, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses key technical aspects in the context of parts selection.

If you are considering a wider range of work using parts from dismantling, the guide material Buying used car parts – the most common mistakes when choosing tuning parts may be helpful, which suggests how to consciously choose used components and minimize the risk of installation problems.