BMW M5 F10 M6 F12 F13 S63N Engine Oil Separator Cyl.1-4 7601455

BMW M5 F10 M6 F12 F13 S63N Engine Oil Separator Cyl.1-4 is a specialized lubrication system component responsible for controlling oil vapors in the S63N power unit. A properly selected oil separator for cylinders 1–4 stabilizes engine operation, supports even lubrication, and reduces intake contamination, leading to more predictable performance parameters. This component from the Oil Filters group is designed for demanding users of BMW M5 F10 and M6 F12/F13 models who expect precise fitment to the factory configuration.

Specifications and technical data

• SKU: 7601455
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7601455
• Substitutable numbers: 7601455, 11157601455
• Category: Oil Filters

Function of the Oil Separator in the S63N Engine

The oil separator for cylinders 1–4 in the S63N engine is responsible for separating oil mist from gases before they return to the intake system. This:

• limits oil entering the intake manifold,
• reduces the risk of carbon deposit buildup in intake ports and on valves,
• maintains more stable combustion characteristics under higher loads,
• ensures the lubrication system operates under more predictable conditions, contributing to the power unit's durability.

In high-performance units like the S63N used in the BMW M5 F10 and BMW M6 F12/F13, a properly functioning oil separator is a crucial element in maintaining the balance between engine performance and durability.

Intended Use and Fitment for BMW M5 F10 / M6 F12 F13

The offered oil separator has been designed with the specific architecture of the S63N engine in mind, serving cylinders 1–4. This means:

• geometry matched to the factory crankcase ventilation and hose routing,
• compatibility with the stock engine bay configuration in BMW M5 F10 and M6 F12/F13,
• preservation of the original crankcase ventilation system logic.

As a result, installing the separator does not require structural modifications, and the lubrication system retains the parameters intended by the vehicle manufacturer. This solution is particularly beneficial for users who want to maintain a configuration close to the factory setup while ensuring high operational consistency.

Characteristics of the Component from the Oil Filters Category

The oil separator belongs to the Oil Filters group, as its function is to separate and filter oil particles from gases circulating in the system. In practice, this translates to:

• more controlled oil circulation within the engine,
• reduced contamination of oil by combustion byproducts,
• more stable operating conditions during dynamic driving, typical for BMW M series models.

This solution is particularly important in turbocharged units, where overpressure and high temperatures promote the formation of intense oil mist. A properly selected separator helps maintain a balance between efficient lubrication and the cleanliness of the intake system.

Component Condition and Practical Benefits of Use

The offered oil separator is a used aftermarket part, allowing for an economical restoration of the crankcase ventilation system's efficiency in the S63N engine while preserving the original design. For many BMW M5 F10 and M6 F12/F13 users, this represents a sensible compromise between cost and compatibility with factory solutions.

Using a functional oil separator can help reduce symptoms such as increased oil consumption, excessive oiling of intake hoses, or unstable engine operation under high load. This is especially important in vehicles driven dynamically, where the lubrication system operates under demanding conditions.

BMW Oil Filters – Lubrication System Expansion and Service

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as oil filter elements, filter housings, or additional separation modules, check the available parts in the BMW Oil Filters category.

More on the Impact of Temperature and Lubrication on Engine Durability

A functional oil separator works in conjunction with the cooling and lubrication systems, helping to maintain stable operating conditions for the power unit. To better understand how temperature and the circulation of operating fluids affect engine lifespan, it is worth reading the guide: Engine Cooling System – Overheating, Repair, and Used Radiators.

If you are considering different service strategies and want to compare the cost-effectiveness of new, aftermarket, and used parts for components like oil separators or other lubrication system parts, the article may be helpful: Original, Aftermarket, or Used – Which Car Parts Offer the Best Value?.