BMW 1 3 E87 E90 E91 118i 120i 318i 320i N46 Engine Cylinder Head Cover 7526670

BMW 1 3 E87 E90 E91 118i 120i 318i 320i N46 Engine Cylinder Head Cover is an original component from the Cylinder Heads group, designed for N46 petrol engines in popular 1 and 3 series models. The cover is responsible for sealing the upper part of the cylinder head, ensuring proper crankcase ventilation routing, and providing stable mounting for accessories, which directly impacts engine performance and operational safety. This OEM solution ensures proper geometry and fitment to factory mounting points.

Specifications and technical data

• SKU: 7568581-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7568581
• Substitutable numbers: 11127568581, 7568581, 11127526669, 7526669, 11127526670, 7526670, KZ
• Category: Cylinder Heads

Purpose and function in the N46 engine

The valve cover in the N46 engine performs several key structural and operational tasks. It is responsible for maintaining the seal of the upper cylinder head, guiding oil in the camshaft area, and separating oil vapors in the crankcase ventilation zone. A properly selected cover reduces the risk of leaks, loss of compression in the valve chamber, and malfunctions of the breather system.

Thanks to its factory geometry and compatibility with the N46 unit, this component ensures correct seal positioning, stable mounting of ignition coils, and other components mounted directly on the cover. This is particularly important in BMW engines, where precision fitment affects durability and driving comfort.

Compatibility with BMW models

The presented valve cover has been designed for N46 petrol engines used in the BMW 1 Series E87 and 3 Series E90 and E91 in 120i, 318i, and 320i versions. This means that the construction, bolt spacing, oil channels, and mounting points are consistent with the factory solutions used by the manufacturer.

For the user, this means the possibility of performing a replacement similar to BMW service procedures, without the need for modifications or adjustments. Original BMW origin helps maintain factory engine performance parameters and minimizes the risk of issues with leaks or improper operation of the ventilation system.

Component characteristics and benefits of OEM application

The valve cover from this offer comes from the BMW OEM parts group, which translates into material, dimensional, and structural compliance with the vehicle's factory equipment. A used component of this type is often chosen as a reasonable alternative to new aftermarket replacements because it retains the original manufacturer's specifications and proper operating parameters for the given engine.

The main benefits of using an original valve cover in the N46 engine include:

• factory fitment to the cylinder head and engine accessories,
• maintenance of proper ventilation system operation,
• stable mounting of ignition coils and wiring,
• reduced risk of leaks in the upper engine area.

A properly selected valve cover helps maintain smooth engine operation and facilitates subsequent service maintenance.

Condition, origin, and service application

The offered valve cover is a component removed from a vehicle, which allows for maintaining original BMW specifications while reducing repair costs. This type of part is suitable both for typical replacement due to leaks and for major work within the cylinder head, such as timing service or engine regeneration.

Because it is a component from the Cylinder Heads group, it fits perfectly into comprehensive work on the upper part of the engine, where precision fitment and compliance with factory solutions are essential. Choosing an original valve cover allows for maintaining the structural integrity of the entire system.

Support in selection and additional information

If you are considering using a used OEM component instead of a new aftermarket replacement and want to learn about the practical arguments for such a solution, it is worth checking out the guide: 5 reasons why a used OEM part is a better choice than an aftermarket replacement. The article simply discusses the criteria for selecting parts using examples of popular models.

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 complete cylinder heads, mounting elements, or auxiliary covers, check out the available parts in the BMW Cylinder Heads category.