BMW 7 Series E65 E66 735i 745i Petrol N62 Valve Train Spring Support 7504087

BMW 7 Series E65 E66 735i 745i Petrol N62 Valve Train Spring Support is an original valve train component designed for N62 petrol engines in BMW 7 Series E65/E66 luxury sedans. This component supports the proper operation of the springs in the valve train, which translates into stable engine performance and precise valve control. Thanks to its factory origin from BMW, the part maintains the correct geometry and fitment to the cylinder head, facilitating installation and subsequent operation.

Specifications and technical data

• SKU: 7504087
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7504087
• Substitutable numbers: 11377504087, 7504087
• Fuel type: Petrol
• Category: Other Engine Parts

Application in the N62 engine of the BMW 7 Series E65/E66

The presented valve spring support is intended for N62 petrol units used in BMW 7 Series E65 and E66 models in 735i and 745i versions. The element operates in the immediate vicinity of the valves and springs, stabilizing their position and ensuring proper guidance during the engine's operating cycle. A properly selected support reduces the risk of uneven wear of timing components, which is significant for maintaining correct compression, power, and smooth throttle response.

Construction and technical function

The valve spring support in the valve train is responsible for transferring loads generated by the operating spring and for maintaining its axial alignment relative to the valve. In the N62 petrol engine, which operates over a wide rev range, the stability of this element is crucial for:

• maintaining repeatable valve lift at high engine speeds,
• reducing vibrations and unwanted play in the valve train,
• limiting timing noise,
• increasing the durability of cooperating cylinder head components.

By using an original BMW component, material and dimensional compliance with factory specifications is maintained, which is important when servicing N62 units in premium vehicles.

Benefits of using an original BMW component

Choosing a spring support from the BMW group allows for maintaining the consistency of the entire valve train with the manufacturer's factory design. The main advantages of using an original part include:

• secure fitment to the N62 cylinder head without the need for modifications,
• preservation of factory valve and spring operating tolerances,
• stable operation of the petrol unit across the full load range,
• easier diagnostics and future service due to compliance with manufacturer documentation.

The element comes from a vehicle and is offered as a used original part, which represents a reasonable compromise between repair costs and maintaining factory build quality.

Condition, installation, and vehicle selection

The offered valve spring support is in used condition, meaning it has been removed from a vehicle but retains the functionality required for further operation. Before installation, a standard visual inspection is recommended, as well as installation in accordance with BMW service procedures for N62 petrol engines. When selecting a part for your BMW 7 Series E65 or E66, it is worth verifying compatibility with the engine unit and vehicle model year based on technical data and part numbers in the product specification.

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 guides, rocker arms, or additional valve train components, check the available parts in the Other BMW category.

Technical support and knowledge about performance units

When working with advanced petrol units, such as the N62 engine in the BMW 7 Series, it can be helpful to understand the structural differences between standard and high-revving or performance engines. In the context of comparing solutions used in different brands, it is worth reading the material describing the construction of high-power units, braking systems, and chassis in performance-oriented models – this is discussed in detail in the article Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of the requirements placed on engine components and accessories.