Oil Pump BMW F80 M3 F82 F83 M4 F87 M2 Petrol Engine S55 N55 Oil Pump 8011851

Oil Pump BMW F80 M3 F82 F83 M4 F87 M2 Petrol Engine S55 N55 Oil Pump is an original component from the Oil pumps and parts group, designed for BMW M-series petrol engines. A used OEM oil pump is a sensible choice for drivers who want to maintain factory engine lubrication characteristics while optimizing repair costs. Thanks to a design tailored to the specifics of the S55 and N55 engines, this component helps maintain stable oil pressure across a wide range of loads.

Specifications and technical data

• SKU: 8011851
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8011851
• Substitutable numbers: 8011851, 11418011851, 7846388, 11417846388
• Fuel type: Petrol
• Category: Oil Pumps & Parts

Purpose and role in the lubrication system

The oil pump in BMW M3, M4, and M2 petrol engines is responsible for the continuous supply of the correct amount of lubricant to oil channels, bearings, and the timing system. In S55 and N55 units, which often operate at higher RPMs and loads, a properly functioning pump is crucial for maintaining the oil film and reducing the wear of moving parts.

Using an original oil pump from the same design group allows for maintaining:

• factory oil pressure characteristics across the entire RPM range,
• proper lubrication of crankshaft bearings and camshafts,
• stable engine operation during dynamic driving, typical for M models.

Advantages of using an original BMW oil pump

Choosing a used, original oil pump for S55/N55 engines is a solution that combines cost control with the preservation of parameters specified by the manufacturer. The component from this group ensures:

• compatibility with the factory lubrication system in BMW M-series petrol units,
• proper fitment to the oil pan, oil channels, and pump drive,
• maintenance of serial engine performance characteristics without the need for software modifications.

For users who drive their car both on the road and occasionally on the track, using an original oil pump helps reduce the risk of oil pressure drops under high lateral loads.

Selecting an oil pump by OEM number and interchangeable numbers

To correctly select an oil pump for a specific BMW M3, M4, or M2, it is worth using the OEM part number and interchangeable numbers assigned to this component. This allows for verifying compatibility with a specific engine version, model year, and equipment configuration. In practice, this means a lower risk of installation issues and the certainty that the pump will work with the existing lubrication system.

Additionally, when selecting used OEM components, tools and comparison tables described in the blog article dedicated to part selection by VIN and OEM number can be helpful – more information can be found in the material about the Audi five-cylinder engine and selecting original parts by numbers, which discusses universal principles of component identification.

Condition, fuel, and application in petrol engines

The presented oil pump comes from the secondary market, which allows for reducing repair costs while maintaining the original BMW design. The component is intended for petrol-powered engines, which is important when comparing with pumps used in diesel units – differences in operating characteristics and lubrication requirements are significant in this case.

For owners of BMW M-series models who want to better understand the specifics of this brand's power units and plan repairs consciously, a practical guide to BMW engines available in the article about problematic BMW E90 engines and costly failures, where typical problems and the importance of proper service are discussed, may also be helpful.

Expanding the lubrication system in BMW – related components

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 pump housings, drive gears, or additional lubrication system modules, check the available parts in the BMW Oil pumps and parts category.

Combining an original oil pump with other components from the same group allows for building a coherent, predictable lubrication system, which is particularly important in powerful, turbocharged petrol engines used in BMW sports models.