BMW 1 3 Series E46 E87 E90 118d 120d 320d Engine M47N M47N2 Oil Pump 7793754

BMW 1 3 Series E46 E87 E90 118d 120d 320d Engine M47N M47N2 Oil Pump is an original component from the Oil pumps and parts group, designed for BMW diesel engines from the M47N and M47N2 families. This used OEM pump ensures factory-standard lubrication system performance, which translates into stable oil pressure and safe operating conditions for the engine unit.

Specifications and technical data

• SKU: 7805813
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7793754
• Substitutable numbers: 11417805813, 7805813, 11417793754 11417786548, 7793754 7786548, 11277787517, 7787517, ŁS
• Category: Oil Pumps & Parts

Purpose and compatibility

This oil pump has been designed for use in popular BMW 1, 3, and 5 series models equipped with M47N and M47N2 engines. Thanks to its OEM-compliant design, it maintains the parameters specified by the manufacturer, which is particularly important when repairing diesel units exposed to high thermal and mechanical loads.

The component comes from the original BMW line, which means it maintains the correct geometry, appropriate oil flow, and proper compatibility with the factory lubrication system. This solution is recommended both for standard replacement of a worn pump and for comprehensive engine rebuilding.

Construction and performance parameters

The oil pump is responsible for drawing and pumping engine oil to the lubrication channels, bearings, and timing system. The OEM design ensures:

• stable oil pressure maintenance across the full engine RPM range,
• adequate flow of the lubricating medium during cold starts and at high operating temperatures,
• compatibility with the factory oil pickup and oil pan designed for M47N/M47N2 engines.

By maintaining the original specification, the pump supports even lubrication of key components, which reduces the risk of seizing and accelerated wear of moving parts.

Benefits of using an original BMW oil pump

Using a used, original BMW oil pump instead of a low-quality replacement allows you to maintain engine performance parameters close to factory standards. The main advantages include:

• factory fitment for the lubrication system in M47N/M47N2 engines,
• preservation of the manufacturer-specified oil pressure and flow characteristics,
• reduced risk of problems with insufficient lubrication under high load,
• attractive cost-to-quality ratio thanks to the use of a used OEM part.

This solution is particularly beneficial for maintenance repairs where both durability and service budget control are important.

Condition, verification, and practical application

The pump is sourced from dismantling and is offered as a used part, which allows for a significant reduction in repair costs compared to a new OEM component. This type of component is frequently chosen both by workshops specializing in the BMW brand and by informed users who are sourcing parts for an engine overhaul themselves.

Before installation, a standard service procedure is recommended: checking the lubrication system, oil condition, filter, and any potential contaminants in the oil pan. A correctly selected and installed oil pump is an important element of prevention against costly engine failures.

Support with selection and additional information

The product belongs to the Oil pumps and parts group, which facilitates the selection of other lubrication system elements for a single repair. If necessary, it is worth verifying the compatibility of the pump with a specific engine version and vehicle year using the manufacturer's technical data or support from a specialized service center.

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

When choosing a used oil pump and other components for a repair or tuning project, it is worth avoiding common mistakes related to part selection. Practical tips and examples can be found in the article Buying used car parts – the most common mistakes when choosing parts for tuning, which will help you better plan the work on your BMW.