BMW 1 Series F20 F21 114d 116d ed N47N Diesel Engine Oil Sump Pan 8516485

BMW 1 Series F20 F21 114d 116d ed N47N Diesel Engine Oil Sump Pan is an original component from the Oil Sump Pans category, designed for BMW diesel engines. It ensures tight oil storage and stable circulation within the diesel engine, which translates into safe, predictable operation of the lubrication system. This is a solution for users looking for proven, factory-spec geometry and a perfect fit for their specific 1 Series model.

Specifications and technical data

• SKU: 8516485
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8516485
• Substitutable numbers: 11138516485, 8516485, BG
• Fuel type: Diesel
• Category: Oil Sumps

Purpose and compatibility

The described oil sump pan is dedicated to BMW 1 Series F20/F21 models with the N47N diesel engine in 114d and 116d EfficientDynamics versions. The design is prepared to work with the diesel engine's lubrication system, maintaining the correct operating capacity and proper oil flow within the sump.

Thanks to its factory origin, compatibility with the original mounting system, drain channels, and the oil pickup point for the pump is maintained, which facilitates installation and reduces the risk of leaks after replacement.

Construction and function in the lubrication system

The oil sump pan in this BMW model plays a key role in the engine oil circuit, being responsible for:

• storing operating oil in the lower part of the power unit,
• stabilizing the oil level under various loads and rotational speeds,
• ensuring proper conditions for oil suction by the pump,
• dissipating heat from the oil through contact with the air flowing under the vehicle.

A properly selected oil sump geometry reduces oil foaming and minimizes the risk of temporary drops in lubrication pressure during dynamic driving. A correctly fitted oil sump pan is particularly important in diesel engines, where thermal and mechanical loads are higher than in many gasoline units.

Benefits of using an original BMW oil sump pan

Using an original oil sump pan in a BMW 1 Series F20/F21 brings a number of practical benefits:

• Factory fit – maintaining the original sealing line, bolt spacing, and accessory mounting points.
• Stable lubrication system operation – proper oil guidance in the sump, in accordance with the design assumptions of the N47N engine.
• Reduced risk of leaks – a precisely reproduced contact surface with the engine block facilitates a tight connection with the gasket.
• Hassle-free installation – no need for modifications or adjustments to fit the component to the engine block.

This solution is especially recommended for repairs after mechanical damage (e.g., hitting an obstacle from below) or for service work related to the lubrication system, where replacing the oil sump pan with a component compliant with factory specifications is required.

Condition and use in workshop practice

The offered oil sump pan is a used component, which in workshop practice often represents a reasonable compromise between repair costs and maintaining original build quality. In the case of BMW diesel engines, where the geometry of the sump and the arrangement of oil channels are important for the durability of the unit, using an original component is a beneficial solution compared to many aftermarket replacements.

Before installation, standard service procedures are recommended: thorough cleaning of the contact surface, checking the flatness of the edges, and using a new gasket in accordance with the manufacturer's technology. An element prepared in this way allows for achieving a stable, long-lasting seal of the lubrication system.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional sumps, drain plugs, or covers related to the lubrication system, check the available parts in the BMW Oil Sump Pans category.

More about used parts

When choosing a used oil sump pan, it is worth knowing the specifics of the secondary market and the real differences between new and used parts. If you want to better understand how to evaluate such components, what to look for when buying, and what myths most often appear around dismantled parts, check out the article Used car parts: Myths and facts you need to know.