BMW E60 LCI E90 E91 325i 330i 525i 530i N52N Engine Cylinder Head Cover 7552281

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E60 LCI E90 E91 325i 330i 525i 530i N52N Engine Cylinder Head Cover is an original component from the Cylinder Heads group, designed for BMW 3 and 5 series petrol engines. The cover ensures a tight seal for the upper part of the cylinder head, stable operation of the valve train, and proper performance of the power unit under demanding operating conditions.

Specifications and technical data

• SKU: 7552281-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7552281
• Substitutable numbers: 11127552281, 7552281, BG
• Category: Cylinder Heads

Purpose and function of the cylinder head cover

The cylinder head cover in BMW engines is responsible for isolating the timing mechanism and valve train from external factors and maintaining proper oil circulation in the upper part of the engine. In E60 and E90 models of the 325i, 330i, 525i, and 530i series, it is a key component for maintaining stable engine performance, reducing leaks, and ensuring proper crankcase ventilation.

The original cover from the BMW group guarantees a proper fit to the cylinder head, appropriate structural rigidity, and compatibility with factory seals and engine accessories.

Benefits of using an original BMW cover

Using an original cylinder head cover in BMW E60 and E90 engines provides a number of practical technical benefits:

• secure fit to the cylinder head without the need for installation modifications,
• stable operation of the valve train and timing components in the upper part of the engine,
• maintenance of lubrication system tightness in the cylinder head area,
• preservation of the factory performance parameters of the power unit.

As a result, the cover is suitable both for standard replacement of a worn-out part and for more extensive service work within the cylinder head area.

Product characteristics and condition

The offered cylinder head cover is a used component, sourced from the original BMW production line. This type of OEM part allows for maintaining the structural integrity of the engine while providing a cost-effective solution compared to new non-original replacements.

The cover is assigned to the Cylinder Heads category, meaning it was designed to operate in the immediate vicinity of components responsible for combustion chamber tightness, valve guidance, and oil distribution in the upper part of the power unit.

Application in engine service and upgrades

The BMW E60 LCI E90 E91 325i 330i 525i 530i N52N Engine Cylinder Head Cover is particularly useful for:

• repairs related to oil leaks in the upper part of the engine,
• cylinder head service and seal replacement,
• comprehensive maintenance of the power unit after mileages requiring a valve train inspection.

Thanks to the preservation of factory geometry and mounting points, the installation process is predictable for an experienced mechanic, and the risk of fitment issues is minimized.

Expanding the scope of work and additional information

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional covers, mounting elements, or components working with the cylinder head, check out the available parts in the BMW Cylinder Heads category.

When choosing between a new and a used part, it is worth analyzing the cost-to-durability and quality ratio. A detailed discussion of the differences between new and used OEM parts can be found in the article New or used? A comparison of costs and quality of car parts, which will help you choose the right solution for your planned repair scope and service budget.