BMW 1 3 Series E87 E90 E91 118d 120d 318d 320d M47N2 Engine Oil Sump Pan 7798372

BMW 1 3 Series E87 E90 E91 118d 120d 318d 320d M47N2 Engine Oil Sump Pan is an original lubrication system component designed for BMW diesel engines, ensuring stable operating conditions for the powertrain. As part of the Oil Sump Pans category, it has been engineered for the proper routing and storage of engine oil under demanding operating conditions. This used OEM component is a sensible choice for professional diesel engine repair or maintenance.

Specifications and technical data

• SKU: 7798372
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7798372
• Substitutable numbers: 11137798372, 7798372, 11137790540, 7790540
• Fuel type: Diesel
• Category: Oil Sumps

Purpose and technical function

The oil sump in a diesel engine plays a crucial role as a working reservoir for oil, which is responsible for lubricating, cooling, and protecting the moving parts of the powertrain. In BMW 1 Series E87 and 3 Series E90 models with the M47N2 unit in 120d and 320d versions, a properly selected oil sump contributes to:

• maintaining the correct oil level across the entire RPM range,
• stable operation of the oil pump under various loads,
• proper heat dissipation from the lower part of the engine,
• reducing the risk of oil pressure drops during dynamic driving.

Thanks to its precise fit for the specific powertrain, BMW 1 3 Series E87 E90 E91 118d 120d 318d 320d M47N2 Engine Oil Sump Pan works in harmony with the factory lubrication system, maintaining the parameters specified by the manufacturer.

Benefits of using an original BMW oil sump

Using an original oil sump in a BMW diesel engine translates into a number of practical service and operational benefits:

• Factory geometric fit – proper alignment with the engine block and other lubrication system components reduces the risk of leaks.
• Compatibility with engine accessories – correct interaction with sensors and oil channels intended for the M47N2 unit is maintained.
• Stable oil operating conditions – the properly shaped interior of the sump promotes even distribution of the lubricating medium, which is particularly important in diesel engines.
• Possibility of economical repair – a used OEM component allows for restoring the efficiency of the lubrication system without the need to invest in a new part.

Condition, installation, and service application

The offered oil sump is a used component, which in workshop practice often proves to be a beneficial solution for BMW diesel engine repairs, especially in vehicles that are heavily used or have higher mileage. This type of part is suitable both for the standard replacement of a damaged sump and for a comprehensive overhaul of the lower engine section.

In a typical service scenario, installation involves removing the old sump, cleaning the mating surfaces, applying the appropriate gasket or sealant, and precise tightening according to the manufacturer's procedure. Properly performed installation reduces the risk of oil leaks and ensures stable pressure in the lubrication system.

BMW oil sumps – expansion and modernization of the lubrication system

If you are planning a comprehensive repair or modernization of the engine area in your BMW and need other components from the same group, such as additional sumps, covers, or mounting elements, check out the available parts in the BMW Oil Sump Pans category.

Additional technical and operational support

When working on the lubrication system and diesel engine, it is worth paying attention to the general condition of the powertrain, including tightness, operating temperature, and the quality of the oil used. Materials discussing the selection of used OEM components and service schedules may be helpful – you can find practical tips in the article Air conditioning and heating – part selection and maintenance for year-round comfort, which covers issues related to the operation and service of key vehicle systems.

Summary

BMW 1 3 Series E87 E90 E91 118d 120d 318d 320d M47N2 Engine Oil Sump Pan is a functional solution for users and workshops looking for an original, used part for a BMW diesel engine. Proper fitment to the powertrain, maintenance of factory lubrication system parameters, and the possibility of economical repair make it a practical choice for professional vehicle maintenance.