BMW F20 F30 120i 320i N13 Turbocharger Exhaust Clamp V-Band Connector 7643717

BMW F20 F30 120i 320i N13 Connector Clamp V-Band Connector Turbine 7643717 is a specialized component from the turbocharger and parts category, designed for the supercharging system in BMW F series petrol engines. The V-Band clamp ensures a stable, tight connection of the turbine with the remaining components of the exhaust system, which is important for the efficiency and durability of the entire system.

Specifications and technical data

• SKU: 7643717-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7643717
• Substitutable numbers: 7643717, 11627643717
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and function in the turbocharging system

The V-Band turbocharger connector used in the BMW F20 120i and F30 320i models with the N13 engine is responsible for the mechanical connection of the turbocharger system components. The V-Band design allows for even pressure around the entire circumference, reducing the risk of exhaust gas leaks and improving connection stability under variable thermal loads.

In highly boosted petrol systems, this connector operates at elevated temperatures and under significant mechanical stress. Using a dedicated clamp for the specific BMW engine and body configuration allows for proper connection geometry and proper exhaust gas routing, which helps maintain the appropriate boost pressure.

Construction, fitting and assembly

The V-Band clamp in this application is designed for the specific diameters and shapes of the turbine flanges and associated components. This allows it to fit the factory system without the need for modifications or adapters. The V-Band solution also simplifies servicing – turbine disassembly and reassembly are faster than with traditional bolted connections.

The component is derived from the original BMW system, maintaining factory dimensional tolerances and performance characteristics. In practice, this translates to:

• reliable sealing of the connection at high exhaust gas temperatures,
• stable maintenance of the turbine in a given position relative to other components,
• reduced risk of play and unwanted vibrations in the connection zone.

Characteristics of the product used

This turbocharger V-Band connector is offered as a used part. This means it comes from the disassembly of an original BMW system, retaining its factory specifications and intended use. With proper maintenance, this type of component can be reused in the vehicle, providing a cost-effective alternative to a new component.

When installing a used V-Band clamp, it is recommended to pay attention to:

• condition of contact surfaces with turbine and pipe flanges,
• correct positioning of the clamp around the entire circumference of the connection,
• using the appropriate tightening procedure in accordance with the vehicle manufacturer's guidelines.

By maintaining the original geometry and material, the used connector can effectively restore the correct operation of the supercharging system in a BMW petrol engine, without interfering with the vehicle's structure.

Application in BMW petrol engines

N13 family gasoline engines utilize a turbocharger to achieve higher efficiency and improved dynamics while maintaining moderate fuel consumption. The turbine's V-band connector is a key mechanical connection element in this system – its correct selection affects the turbine's tightness, acoustics, and operational stability.

Using a component that meets BMW factory specifications helps reduce the risk of:

• exhaust gas blow-by in the connection zone,
• accelerated wear of the turbine due to improper support,
• additional stresses in the exhaust system resulting from incorrect fit.

Why choose this BMW turbine V-Band connector?

By choosing the BMW F20 F30 120i 320i N13 Turbo V-Band Connector Clamp 7643717, you receive a component designed specifically for the turbocharging system in specific BMW models. This solution allows you to maintain the factory operating characteristics of the petrol engine without compromising fit and connection geometry.

If you are looking for other turbochargers and supercharger components dedicated to this brand, check out our turbochargers and parts for BMW category, where you will find a wide selection of original components from dismantling.

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