BMW 5 6 Series E60 M5 E63 E64 M6 S85 Engine Motor Main Oil Pump Unit 7837613

BMW 5 6 Series E60 M5 E63 E64 M6 S85 Engine Motor Main Oil Pump Unit is an original component from the Oil pumps and parts group, designed for the S85 engine used in the high-performance BMW M5 E60 and M6 E63/E64 models. This is the solution for users who expect stable lubrication of the power unit at high RPMs and during intensive use.

Specifications and technical data

• SKU: 7837613
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7837613
• Substitutable numbers: 11417837613, 7837613, 11417834762, 7834762, KZ
• Category: Oil Pumps & Parts

Purpose and function in the S85 engine

The oil pump in the S85 engine is responsible for maintaining the correct oil pressure throughout the lubrication system, which is crucial for the durability of the bearings, crankshaft, and timing system. In high-performance M units, which often operate in the upper RPM range, an efficient lubrication system is essential to reduce the risk of seizure and overheating of mating components.

Using an original BMW oil pump allows you to maintain factory flow and pressure parameters, which translates into predictable engine behavior both in daily driving and during dynamic track use. This is particularly important for the S85 unit, which was designed with high RPMs and precise operating characteristics in mind.

Product characteristics and benefits of installation

The offered pump comes from the BMW line, which means it maintains factory geometry, mounting points, and compatibility with the S85 engine lubrication system. As a result, installation is straightforward, without the need for modifications or adjustments.

• Reproduction of the original S85 engine lubrication system design.
• Compatibility with factory oil channels and the oil pan of the M5/M6 unit.
• Stable operating parameters at high RPMs characteristic of the V10 engine.
• A solution dedicated to road and sports applications, in line with the intended use of M models.

For users planning to keep the car as close to factory specifications as possible, using an original oil pump is a sensible choice that supports safe and repeatable operation of the power unit.

Condition, origin, and service application

The item is offered as a used part, which allows for reduced repair costs while maintaining the manufacturer's original specifications. This type of component is often chosen for:

• major overhauls of the S85 engine in the BMW M5 E60 or M6 E63/E64,
• preventive replacement of the lubrication system at high mileages,
• rebuilding units after failures resulting from insufficient oil pressure.

Choosing an original oil pump from disassembly is particularly attractive for conscious users who want to maintain the factory engine operating characteristics while optimizing their service budget.

Support for tuning and upgrades

The S85 engine often serves as a base for mechanical modifications, such as ECU remapping, exhaust system upgrades, or intake modifications. In each of these cases, it is crucial that the lubrication system is fully functional and efficient. Installing an original oil pump is a sensible step for projects that involve increasing the thermal and mechanical loads on the unit.

If you are considering broader car modifications using parts from disassembly and want to better plan your budget and scope of work, it is worth checking out the guide: Tuning with used parts – how to gain performance without spending a fortune. It is a practical discussion on the approach to modifications using proven, used components.

Expansion of the lubrication system in BMW

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 additional pumps, lubrication control modules, or mounting hardware, check out the available parts in the BMW Oil pumps and parts category.