BMW F07 F10 X3 F25 F30 F32 Turbo Charger Upper Cover Part N55 Petrol 7643115

The BMW F07 F10 X3 F25 F30 F32 N55 Petrol Turbocharger Top Cover is an original turbocharger and parts component designed for BMW N55 petrol engines. This used cover provides a functional service solution for vehicles requiring replacement of a damaged or worn turbocharger housing component.

Specifications and technical data

• SKU: 7643115-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7643115
• Substitutable numbers: 7643115, 11657643115
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and technical characteristics

The N55 petrol turbocharger top cover was designed specifically for select BMW F-Series and X3 models, ensuring proper fit to the turbocharger design used in petrol engines. This component is responsible for properly sealing the top of the turbocharger housing, stable exhaust and air flow, and maintaining the tightness of the charging system.

As part of the turbocharger and parts group, the cover works with the other turbocharger components to affect:

• stability of the supercharging system operation within the operating pressure range intended for the N55 engine,
• maintaining appropriate flow geometry within the turbo housing,
• limiting leaks that could result in power loss or engine controller errors.

Applicable to BMW models with N55 engine

The cover is designed for the turbocharger used in BMW N55 petrol engines, found in models such as the F-Series and F25 generation X3. This makes it a practical solution for users who want to restore proper turbocharger operation without having to replace the entire turbocharger.

The selection of this part is particularly important in the case of:

• mechanical damage to the upper part of the turbo housing (cracks, deformations),
• finding a leak in the cover area,
• turbocharger regeneration, which requires replacement of housing components.

Benefits of using the original BMW cover

Choosing a genuine BMW OE turbocharger top cover allows you to maintain the factory operating parameters of your N55 petrol engine. Proper geometry, correct mounting points, and compatibility with the exhaust and intake systems translate into:

• proper cooperation with the turbocharger and engine accessories,
• reduced risk of assembly problems compared to substitutes with uncertain specifications,
• maintaining stable boost parameters, which is important for both the performance and durability of the drive unit.

The used condition of the part allows for economical repair while maintaining the characteristics of the original BMW component.

Condition, verification and parts selection

The cover comes from the used turbocharger components and parts segment, meaning a standard service inspection is recommended prior to installation to ensure tightness, flatness of the mating surfaces, and the condition of the mounting points. The correct selection for a specific vehicle should take into account the turbocharger designation and the specifications of the N55 petrol engine used in the given BMW model.

When planning a repair or regeneration, it is worth consulting a mechanic or a specialized service to confirm the compatibility of the cover with your turbocharger and to avoid installation problems resulting from design differences between individual versions of the drive units.

Other turbochargers and parts for BMW

If you're also looking for other turbochargers and parts for BMW, check out our dedicated offer: turbochargers and parts for BMW . This will help you easily gather the remaining components needed to repair or upgrade your car's turbocharger system.

Repairs and tuning using used components

Using used turbocharger components can be a sensible way to reduce service costs while maintaining an appropriate level of quality. A similar approach can be taken to retrofitting other cars from the German automotive industry – more on this topic can be found in the article: Audi on Second-Hand Parts – Tuning and Repairs Without Losing Quality , which describes a practical approach to using remanufactured and used components in repair and tuning projects.