BMW 1 3 Series F20 F30 LCI B48 Petrol Turbocharger Coolant Pipe Line 7643094

The BMW F20 F30 B48 Turbocharger Cooling Hose is an original turbocharger component designed for BMW F Series petrol engines with the B48 engine. It ensures stable coolant drainage from the turbocharger, ensuring safe operation of the turbocharger and engine durability.

Specifications and technical data

• SKU: 7643094
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7643094
• Substitutable numbers: 11537643094, 7643094, KZ
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and function in the supercharging system

The BMW F20 F30 B48 turbocharger cooling hose is a component of the cooling system responsible for the supply and discharge of coolant within the turbocharger in a petrol engine. A properly functioning hose stabilizes the temperature of the turbine housing, reduces the risk of overheating, and supports smooth engine operation under load.

In the B48 petrol engines used in the F series, the turbocharger cooling system is crucial for:

• maintaining the appropriate operating temperature at high boost pressure,
• reducing thermal loads acting on the turbine bearings,
• reducing carbon deposits and oil degradation in the hot zone.

Original origin and fitment to BMW

This BMW OE product is factory-fitted to the cooling system and turbocharger in the F20 and F30 models with the B48 engine. The original hose geometry, connection diameters, and mounting points are consistent with the factory specifications, allowing the component to work with existing pipes, clamps, and brackets without the need for modifications.

This makes the cable suitable for users who expect:

• reliable fit with the factory cooling system,
• maintaining the standard operating parameters of the turbocharger,
• no compatibility problems during installation at a service center or independent workshop.

Technical characteristics and condition of the item

This hose is categorized as a turbocharger and parts, meaning it's an integral component of the turbocharger system rather than a universal cooling hose. It's designed specifically to work with a turbocharger in a gasoline engine, taking into account the thermal and pressure loads typical of supercharged engines.

The component is offered in used condition, which means it has been disassembled and its design retains the functionality required for continued use. For workshops and private users, this is a cost-effective solution for repairing the turbocharger cooling system while maintaining the original manufacturer's specifications.

Application in petrol engines and service aspects

Turbocharged gasoline engines like the B48 are particularly sensitive to the cooling performance of components operating at high temperatures. A functioning turbocharger cooling hose helps maintain:

• stable coolant temperature in the local circuit at the turbocharger,
• correct operating conditions of turbine bearings and seals,
• safe thermal conditions during long-term driving with a heavy load.

Hose replacement is recommended if there are leaks, signs of corrosion, deformation, or mechanical damage. Using a genuine BMW OE component reduces the risk of leaks and issues with bleeding the cooling system after installation.

Benefits of using the original turbocharger cooling hose

Choosing a turbocharger cooling hose dedicated to the BMW F20 and F30 with the B48 engine brings a number of practical benefits:

• Factory fit – compatible with the original BMW cooling system and turbocharger.
• Stable operation of the supercharging system – maintaining the correct turbine temperature in a petrol engine.
• Hassle-free installation – cable ready for installation in place of the factory element.
• Economical repair – a used component allows you to reduce service costs while maintaining the original specification.

If you're also looking for other BMW turbochargers and parts, check out our dedicated BMW turbocharger and parts offer. This allows you to easily assemble a complete turbocharger system compliant with manufacturer specifications.

When planning a drivetrain service or upgrade in four-wheel drive vehicles, it's worth understanding the specifics of each AWD solution. For a detailed discussion of the design, typical components, and service aspects, see: xDrive, 4Matic, quattro, or 4Motion – a comparison of AWDs from BMW, Mercedes, Audi, and VW .

If you're considering further engine modifications, including performance optimization with turbocharger components, this practical guide might be helpful: How to Increase Engine Power – A Practical Guide to Engine Tuning with Used Parts . It will allow you to better plan your work to maintain a balance between performance, reliability, and operating costs.