BMW 5 6 Series E60 M5 E63 E64 M6 S85 Engine High Pressure Pump Vanos 7836347

BMW 5 6 Series E60 M5 E63 E64 M6 S85 Engine High Pressure Pump Vanos is an original lubrication and camshaft timing control component designed for the S85 engine in the high-performance BMW M5 E60 and M6 E63/E64 models. Thanks to its factory OEM design, the pump ensures precise oil supply to the Vanos system at the correct pressure, which translates into stable engine operation and predictable throttle response. This solution is dedicated to users who expect compliance with factory specifications and want to keep their engine in efficient, safe condition.

Specifications and technical data

• SKU: 7841784
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7841784
• Substitutable numbers: 11367841784, 7841784, 11367836347, 7836347, 11367836239, 7836239, 11367837594, 7837594, 11367837595, 7837595, 11367834578, 7834578, KZ
• Category: Oil Pumps & Parts

Purpose and function in the S85 engine

The Vanos pump in the S85 engine is responsible for delivering oil at the appropriate pressure to the variable valve timing system, which allows for dynamic camshaft adjustment depending on load and engine speed. In high-performance M units such as the S85, a properly functioning Vanos pump is crucial for:

• maintaining stable valve timing across the entire rev range,
• proper cylinder filling and efficient combustion,
• preserving the flexibility and throttle response characteristic of the M5/M6,
• reducing the risk of engine control unit errors related to the Vanos system.

By using an original pump, the valve timing control system maintains the parameters specified by the manufacturer, which is particularly important in vehicles used dynamically or on the track.

Benefits of using an original BMW Vanos pump

Choosing an original BMW Vanos pump from the Oil pumps and parts category is a solution that allows you to maintain the integrity of the entire lubrication and valve timing control system. The most important advantages include:

• factory fitment for the S85 engine in M5 E60 and M6 E63/E64 models,
• preservation of original Vanos system operating parameters,
• compatibility with the factory engine control unit and ignition maps,
• reduced risk of leaks and oil pressure drops in the Vanos circuit.

For workshops specializing in BMW M service and for conscious users, the use of an original component is a significant argument when planning repairs or preventive replacement of valve timing components.

Condition, verification, and fitment

The offered Vanos pump is a used component, which allows for cost-effective restoration of system efficiency while maintaining the original OEM design. Before installation, a standard workshop verification procedure is recommended – checking for leaks, clearances, and cleanliness of oil channels – to ensure trouble-free operation in the demanding environment of the S85 engine.

Fitment for a specific vehicle should be confirmed based on the OEM part number and available interchangeable numbers, which facilitates integration with the existing system and minimizes the risk of ordering errors. This approach is particularly important when working with M units, where structural differences between versions can be significant for correct installation.

Application in service practice

Replacing the Vanos pump in a BMW M5 E60 or M6 E63/E64 is often part of a larger service package covering the lubrication and valve timing system. In workshop practice, installing an original pump allows you to:

• reduce diagnostic time related to unstable Vanos operation,
• limit the risk of warranty returns after repair,
• maintain consistency with other oil system components.

For the user, this means more predictable engine behavior, better refinement, and the ability to continue using the car as intended – both in daily driving and during more dynamic use.

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

To better plan your service and shorten the car's downtime in the workshop, it is worth checking out practical tips on selecting used OEM components – you will find them in the article Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten workshop stays?.