BMW 1 3 Series E81 E90 E91 E92 N47 Diesel Oil Vacuum Pump Unit Engine 7798014

The BMW E81 E90 E91 E92 N47 Diesel Oil Pump Bracket is a specialized mounting component designed for BMW N47 diesel engines used in the E81, E90, E91, and E92 series. It is responsible for the stable and secure seating of the oil pump, which is crucial for the proper lubrication of the engine unit. Thanks to its construction in line with original BMW standards, the bracket ensures the correct positioning of the component within the lubrication system.

Specifications and technical data

• SKU: 7798014
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7798014
• Substitutable numbers: 11417810451, 7810451, 11417798014, 7798014, EM
• Fuel type: Diesel
• Category: Vacuum Pumps

Purpose and Compatibility with N47 Diesel Engines

The presented bracket is dedicated to N47 Diesel engines, used in popular BMW 1 Series and 3 Series E-generation models. The component's design has been developed considering the geometry of the N47 engine block and its specific lubrication system, allowing for the preservation of factory mounting points and the overall rigidity of the assembly.

Selecting a bracket compatible with a specific diesel engine version is important for the durability of the oil pump and the even distribution of loads. Using the correct mounting component reduces the risk of incorrect pump positioning, thereby minimizing the possibility of leaks or excessive vibrations.

Role of the Bracket in the Lubrication System

The oil pump bracket in the N47 engine is responsible for:

• precisely establishing the pump's position relative to the crankshaft and oil passages,
• maintaining the appropriate rigidity of the connection under varying thermal and mechanical loads,
• stabilizing the oil pump's operation across the entire engine speed range,
• limiting the transfer of vibrations to adjacent lubrication system components.

A functional bracket is particularly important in Diesel engines, where higher torque and greater dynamic loads occur. Proper oil pump mounting translates to maintaining correct oil pressure, and thus protecting bearings, crankshaft, timing system, and other cooperating components.

Category: Vacuum Pumps vs. Lubrication System

Although the component itself is an oil pump bracket, the product has been assigned to the Vacuum Pumps category, which facilitates the search for parts related to vacuum and lubrication systems in BMW vehicles. In practice, many engine-mounted components cooperate with the oil or vacuum system, so proper categorization helps in quickly finding compatible parts within the same product segment.

If you need other parts from the Vacuum Pumps category for this brand, check out the BMW vacuum pumps available in our store to select components that are structurally consistent with your engine's system.

Selection by Numbers and System Diagnostics

The oil pump bracket is a part whose selection should be based on the manufacturer's catalog data and the designations used in BMW service documentation. Correct matching to a specific N47 engine version helps avoid installation problems and ensures compliance with the engine unit's factory specifications.

If you have doubts regarding the selection of components related to the diesel engine's fuel supply and lubrication, it is worth consulting educational materials. Extended information on the operation of the fuel system, selecting components by OEM numbers, and regeneration principles can be found in the article "Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Regeneration", which helps to organize knowledge about the cooperation of pumps, injectors, and other components.

Product Condition and Service Application

The offered bracket comes from the segment of used BMW parts, which represents a reasonable compromise between repair cost and maintaining original mounting geometry. This type of component is often chosen for:

• overhauling or replacing the oil pump in an N47 engine,
• engine unit swaps between E81, E90, E91, E92 body styles,
• comprehensive rebuilding of the lubrication system after mechanical failure.

Using an original used bracket helps maintain structural consistency with other engine components, which is important for the long-term operation of a car with a diesel engine.