Oil Sump BMW E90 LCI F20 N47N Diesel Engine Suction Pipe Strainer Hose 7810773

Oil Sump BMW E90 LCI F20 N47N Diesel Engine Suction Pipe Strainer Hose is a specialized component of the lubrication system in BMW diesel engines, responsible for effectively drawing oil from the sump and delivering it to the pump. Thanks to its precise OEM design and compatibility with Diesel units, the pipe ensures stable oil pressure and safe engine operation. It is a practical service solution for users looking to restore proper oil circulation in their BMW.

Specifications and technical data

• SKU: 7810773
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810773
• Substitutable numbers: 11417810773, 7810773, KZ
• Fuel type: Diesel
• Category: Oil Sumps

Purpose and function in the lubrication system

The described oil pump suction pipe is a component of the lubrication system responsible for drawing oil from the sump and transferring it to the pump. In BMW diesel engines, particularly in units used in E90 LCI and F20 models from the N47N family, the proper operation of this component is crucial for protecting the bearings, crankshaft, and turbocharger.

Using the correct suction pipe helps maintain:

• stable oil supply to the pump across the entire RPM range,
• correct pressure in the lubrication system,
• safe engine operating conditions under load.

Construction and compatibility with Diesel engines

The pipe has been designed with the specifics of Diesel units in mind, where oil operates under higher thermal and mechanical loads. The shape of the pipe and the mounting method are adapted to the factory geometry of the oil sump and pump, which facilitates installation in place of the original component.

Proper routing of the pipe minimizes the risk of cavitation and aeration of the system, and also limits the possibility of drawing in contaminants from areas of the sump not intended for suction. As a result, the lubrication system maintains stability even during dynamic driving.

Benefits of using the original suction pipe

Using a pipe dedicated to a specific BMW engine and body configuration provides measurable service benefits:

• High installation compatibility – a component intended for operation in a specific lubrication system, with no modifications required.
• Optimal oil flow – pipe cross-section and geometry selected for the requirements of the oil pump in diesel units.
• Support for engine durability – proper oil supply reduces the risk of accelerated wear of moving parts.

For workshops and users, this means predictable installation and the ability to restore factory lubrication system performance after replacing a damaged or worn pipe.

Condition and service application

The component is sourced from disassembly and is intended for reinstallation in BMW vehicles where restoring the correct oil suction path is required. It is a practical solution in situations where the factory pipe has suffered mechanical damage, deformation, or contamination that could restrict oil flow.

Replacing the oil pump suction pipe is particularly recommended during major service work within the oil sump area, such as sealing, cleaning, or inspection of the lubrication system. This allows for comprehensive care of the engine unit's safety and limits the risk of costly failures.

Related components from the BMW Oil Sumps group

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 seals, drain plugs, or additional suction pipes, check out the available parts in the BMW Oil Sumps category.

Support in planning vehicle upgrades

During service work on the engine, many users also consider improving the comfort and ergonomics of the interior. If you are interested in how to reasonably select used cabin equipment components and combine them with mechanical service, it is worth checking out the guide Premium interior for half the price: second-hand seats, steering wheels, and multimedia, which helps in consciously planning upgrades based on second-hand parts.