BMW M2 F87 LCI M3 F80 M4 F82 F83 Oil Suction Pipe Petrol S55 7846386

BMW M2 F87 LCI M3 F80 M4 F82 F83 Oil Suction Pipe Petrol S55 is an original lubrication system component from the Oil pumps and parts group, designed for S55 petrol engines in BMW M-series sports models. The precise design of the oil suction pipe ensures stable oil intake from the oil pan and supports the safe operation of the engine under high loads.

Specifications and technical data

• SKU: 7846385-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7846385
• Substitutable numbers: 7846385, 11417846385, 7846386
• Fuel type: Petrol
• Category: Oil Pumps & Parts

Purpose and compatibility

The presented oil suction pipe is designed for use in S55 petrol engines, used in BMW M2 F87 LCI, M3 F80, and M4 F82/F83 models. This component is responsible for drawing oil from the oil pan and delivering it to the oil pump, which is crucial for engine durability, especially in vehicles with sports performance characteristics.

Selecting the correct oil suction pipe is essential during repairs after engine seizure, engine modifications, or preventive replacement of lubrication system components. Using a part from the same family as the factory components allows for maintaining oil flow parameters in accordance with the manufacturer's specifications.

Design and function in the lubrication system

The oil suction pipe acts as the intake element in the lubrication system – its task is to draw oil from the lowest point of the oil pan and transfer it to the pump. A properly shaped pipe and suction strainer with a pre-filter help reduce the risk of drawing in contaminants and air during dynamic lateral and longitudinal accelerations.

In the S55 engine, which often operates at high RPMs and under high thermal loads, a properly functioning oil suction pipe has a direct impact on maintaining stable oil pressure. Replacing a worn or damaged element with an original component from the Oil pumps and parts group is recommended during any major work on the bottom end of the engine.

Application in service and modifications

The component is suitable for both standard S55 engine repairs and power-increase projects, where the lubrication system must operate under more demanding conditions. Replacing the oil suction pipe is particularly recommended when:

• a mechanical failure has occurred in the lower part of the engine,
• the engine has been running with contaminated oil or after long-term service neglect,
• a comprehensive rebuild or modification of the engine is being performed.

Using an original component helps reduce the risk of oil pressure drops, which is vital for bearings, turbochargers, and other pressure-lubricated elements.

Condition and benefits of choosing a used OEM part

The offered oil suction pipe is a used part, sourced from an original BMW lubrication system. Choosing such a component is a reasonable compromise between cost and maintaining factory oil flow specifications. Unlike many aftermarket replacements, the OEM element retains the geometry intended for the S55 engine, which promotes stable operation across the entire RPM range.

For workshops specializing in BMW M and for users independently sourcing parts for an engine overhaul, a used OEM element can be an attractive solution, allowing for high quality to be maintained at controlled service costs.

Expanding the BMW lubrication system

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other elements from the same group, such as oil lines, pump housings, or additional lubrication system components, check out the available parts in the BMW Oil pumps and parts category.

Technical knowledge and part selection

When working with advanced BMW units, it is worth using reliable sources of information regarding component selection and service procedures. In the context of lighting and electrical equipment, the guide See more and better – a complete guide to selecting and replacing used LED and Xenon headlights may be helpful, as it shows how to safely use original parts from the secondary market and what to look for when purchasing used OEM elements.