Spark Plug BMW E70 E71 E90 LCI F10 N55 Petrol Engine Recess Insert 7570028

Spark Plug BMW E70 E71 E90 LCI F10 N55 Petrol Engine Recess Insert is an original ignition system protective component designed for BMW petrol engines. It provides stable coverage for the spark plugs, supporting the safe operation of the engine and limiting the impact of contaminants and moisture. Thanks to its precise fit for the specific N55 engine generation, this spark plug recess insert allows for maintaining factory geometry and the correct operation of components in the engine bay.

Specifications and technical data

• SKU: 7570028
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7570028
• Substitutable numbers: 11127570028, 7570028
• Fuel type: Petrol
• Category: Gaskets & Seals

Purpose and technical function

The presented cover is a component from the Gaskets and sealing rings group, responsible for the physical protection of the spark plugs and maintaining proper tightness in their area. In BMW N55 series petrol engines, correct shielding of the spark plugs is important for:

• limiting the ingress of moisture and dirt into the spark plug wells,
• stable routing of ignition wires and ignition coils,
• maintaining the appropriate operating temperature of ignition components,
• maintaining order and clarity in the engine bay during service.

Thanks to its factory design, the cover works with other ignition system components without interfering with the electrical harness or other auxiliary equipment.

Compatibility with the N55 unit and installation benefits

The housing has been designed for the N55 petrol engine used in selected BMW models, such as the E70, E71, E90 LCI, or F10. This means that the mounting geometry, shape, and working space around the spark plugs are adapted to the specific layout of the cylinder head and valve cover in this unit.

Key installation advantages include:

• factory fitment for the N55 ignition system,
• easy removal and reinstallation during spark plug replacement,
• no need to modify adjacent components in the engine bay,
• consistent appearance with other OEM components.

Such a solution facilitates service work and allows for compliance with the manufacturer's technical documentation.

Product characteristics and condition

The offered BMW spark plug recess insert comes from the manufacturer's original parts line, which translates into material and dimensional compliance with the vehicle's factory equipment. The item is classified as used, which in practice means it has been previously operated but can still perform its protective function in the ignition system.

Choosing an original, used cover allows you to:

• maintain structural consistency with other engine components,
• avoid fitment issues typical of replacements with poorer geometry,
• optimize repair costs while maintaining parameters close to factory specifications.

This solution is particularly beneficial when servicing N55 units, where the precision of the fit of components around the spark plugs affects service comfort and component durability.

Importance for ignition system reliability

A properly selected spark plug cover in a petrol engine reduces the risk of ignition problems resulting from moisture or contamination of the spark plug wells. In practice, this translates into:

• more stable engine operation under various operating conditions,
• lower risk of electrical arcing in the spark plug area,
• easier diagnostics and service of the ignition system,
• maintaining an aesthetic and orderly appearance of the engine bay.

For users who care about the technical condition of their BMW, using the appropriate spark plug cover is a simple way to support the durability of the ignition system without interfering with its design.

Service expansion within BMW seals

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 additional valve cover gaskets, sealing rings, or covers working with the ignition system, check the available parts in the BMW Gaskets and sealing rings category.

If you are considering broader use of used components in your car and want to better understand the principles of selecting and verifying such parts, a guide describing the practical aspects of selecting modules and sensors may be helpful – you can find it in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.