BMW 1 3 E81 E87 E90 E91 E92 1 Underfloor Centre Coating Cover Diesel 7134090

BMW 1 3 E81 E87 E90 E91 E92 1 Underfloor Centre Coating Cover is a factory protective component designed for BMW models with diesel engines. It provides an effective barrier for the undercarriage against dirt, water, and minor mechanical damage, supporting the stable operation of the drivetrain. It is a practical solution for drivers who expect a proven design and good fitment for a specific BMW series.

Specifications and technical data

• SKU: 7134090-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7134090
• Substitutable numbers: 51757134090, 7134090, BG
• Fuel type: Diesel
• Category: Splash Guards & Mud Flaps

Purpose and function of the underfloor cover

The underfloor cover in the version for diesel units is responsible for limiting the direct contact of undercarriage elements with external factors. It protects sensitive components in the lower area of the vehicle against:

• road debris (mud, sand, salt, small stones),
• excessive splashing from water and snow,
• local impacts from small elements on the road surface.

As a result, the drivetrain and components mounted in the lower part of the bodywork operate in more stable conditions, which helps maintain proper operational efficiency.

Compatibility with diesel engines

The presented cover has been designed with the specifics of BMW E87, E90, and E91 series diesel units in mind. This means it is adapted to the air duct system, component layout, and undercarriage geometry characteristic of the diesel version. In practice, this translates into:

• proper airflow management under the vehicle,
• maintaining the correct ground clearance,
• compatibility with factory mounting points.

Such fitment is particularly important for maintaining predictable vehicle behavior and the proper operation of the cooling system and engine accessories.

Construction and functional benefits

As an element from the Mudflaps group, the underfloor cover performs a protective function similar to mudguards, but in the area of the lower body. Its use helps to reduce the splashing of water and contaminants towards mechanical components. Key benefits of installation include:

• better protection of the undercarriage in daily city and extra-urban use,
• reduction of dirt accumulating around the engine and associated elements,
• more orderly airflow under the car.

Using an original part allows for maintaining factory geometry and mounting methods, which facilitates installation and future service.

Condition, origin, and service application

The cover comes from the BMW range, which means compliance with the brand's factory design standards. As a used part, it is a good choice for post-accident repairs, replacing missing elements after disassembly, or restoring the vehicle to a configuration close to factory specifications. It works well both in service applications and for conscious vehicle operation in more difficult road conditions.

Expanding underfloor protection in BMW

If you are planning a comprehensive repair or upgrade of the undercarriage area in your BMW and need other elements from the same group, such as additional covers, protective panels, or mudguard elements, check the available parts in the BMW Mudflaps category.

Practical tips for BMW users

When selecting an underfloor cover for a specific vehicle, it is worth paying attention to compatibility with the body version and fuel type to ensure proper fitment to the drivetrain. In the case of vehicles used intensively or on roads with poorer surfaces, regular inspection of the condition of underfloor covers helps reduce the risk of mechanical damage and accelerated corrosion of metal elements.

If you are also interested in the selection and refurbishment of external vehicle elements, such as alloy wheels, you will find useful information in the article Used wheels like new: a guide to buying and refurbishing alloy wheels.