BMW 3 5 Series E90 E92 E60 LCI Bearing Ledge Intake Cylinder Head Cover Engine

BMW 3 5 Series E90 E92 E60 LCI Bearing Ledge Intake Cylinder Head Cover Engine is an original mounting component designed for the precise securing of the camshaft in BMW power units. Thanks to its factory-spec geometry and fitment for specific engine cylinder heads, it provides stable camshaft support and ensures proper interaction with other timing components. This is a practical solution for users who want to maintain consistency with the factory design and avoid compatibility issues.

Specifications and technical data

• SKU: 7550913
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7550913
• Substitutable numbers: 11127550913, 7550913, PK
• Category: Other Engine Parts

Purpose and function of the component

The camshaft bearing ledge in BMW 3 5 Series E90 E92 E60 LCI models is responsible for maintaining the camshaft in the correct operating position relative to the bearings and oil channels in the cylinder head. A properly selected component of this type:

• stabilizes the camshaft during engine operation,
• reduces the risk of improper axial and radial clearance,
• supports even lubrication of mating surfaces,
• ensures correct interaction with the timing control system.

By maintaining the original design, the ledge allows for keeping timing performance parameters at the level intended by the manufacturer, which is significant for both the durability of the power unit and its operating refinement.

Original origin and BMW fitment

The presented ledge is a BMW OE group component, which means it was designed with specific structural solutions used in the brand's engines in mind. Its original origin translates into:

• precise fitment with the cylinder head seats,
• maintenance of proper camshaft alignment,
• compatibility with factory bolts and mounting hardware.

For users and workshops, this means a lower risk of assembly problems and no need for modifications or fitting aftermarket parts with uncertain geometry.

Characteristics of the used component

The camshaft bearing ledge is offered as a used part, which allows for economical repair while maintaining the original BMW specification. This type of component, when properly operated, is not a fast-wearing part, which is why in many cases it can be successfully reused. This is a beneficial solution for drivers and service centers that want to reduce costs while maintaining compliance with the factory design of the power unit.

Benefits of using an original bearing ledge

Using an original camshaft bearing ledge in a BMW E60 LCI or E90 engine provides a number of practical benefits:

• Stable timing operation – proper camshaft support reduces the risk of improper wear of cams and bearings.
• Better setting repeatability – maintaining factory geometry facilitates servicing and potential adjustments.
• Hassle-free installation – original fitment shortens workshop time and reduces the risk of assembly errors.
• Consistency with other engine components – the ledge works with the cylinder head, camshaft, and accessories according to the manufacturer's specifications.

Expansion and service of the timing zone in BMW

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 mounts, brackets, or accessory parts, check out the available parts in the Other BMW category.

When working on the timing system and power unit, it is also worth expanding your knowledge about the structural differences between sports and standard engine versions – in this context, an article describing the characteristics of units, brakes, and chassis in RS models may be helpful, available at the link Audi RS vs other models – what is hidden under the hood and chassis?. It allows for a better understanding of how manufacturers design key drive components and the importance of choosing the right parts during service.