Turbocharger Heat Shield BMW F80 M3 F82 M4 S55 Insulation Plate Cyl 1-3 7848039

The BMW F80 M3 F82 M4 S55 Turbo Heat Shield is an original turbocharger and parts component designed specifically for the S55 engine. It ensures stable operating conditions for the turbocharger, reducing the impact of high temperatures on adjacent components and improving the smooth operation of the turbocharger system.

Specifications and technical data

• SKU: 7848039
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7848039
• Substitutable numbers: 7848039, 11657848039, KD
• Category: Turbos & Parts

Purpose and function of the BMW S55 turbo heat shield

The turbocharger heat shield in the S55 engine plays a key role in protecting the turbocharger and its surrounding components. It reduces heat radiation, stabilizes engine compartment temperatures, and helps maintain consistent operating conditions for the turbocharger system, which is particularly important in the high-performance BMW F80 M3 and F82 M4 models.

With its factory-designed geometry matched to the S55 engine, the BMW turbo heat shield ensures proper adhesion and predictable performance over a wide range of loads – from city driving to intensive track use.

Construction, fitting and assembly in the BMW F80 M3 / F82 M4

This cover is from the BMW OE line, ensuring factory-standard workmanship and compatibility. The design was developed for the specific turbocharger and manifold layout of the S55 engine, ensuring:

• ensures precise fit with factory mounting points in F80 M3 and F82 M4,
• maintains a predictable course of hot exhaust gas and air flows in the engine compartment,
• reduces heating of adjacent wires, harnesses and accessories.

As a turbocharger and parts part, the cover is designed to be installed in place of the factory component without requiring any modifications to the vehicle's structure. This simplifies servicing and ensures compatibility with other turbocharger components.

Used condition – a conscious choice for sports cars

The part is offered in used condition, allowing for a cost-effective replacement of the cover while maintaining the original BMW specification. For cars like the F80 M3 and F82 M4, where the turbocharger system operates under heavy load, regular inspection and, if necessary, replacement of the turbo heat shield is a sensible maintenance procedure.

Choosing a used BMW OE turbo heat shield is a solution that combines cost control with maintaining factory geometry and thermal characteristics. For those interested in a broader context of selecting original, used components for supercharged engines, an article describing part selection by numbers and VIN may be helpful. It's available at the following link: Audi's Five-Cylinder Engine – Legend and Selection of Used OEM Parts .

Benefits of using the original turbo heat shield

Using the factory turbo heat shield in the BMW F80 M3 / F82 M4 S55 brings a number of practical operational benefits:

• more stable operating conditions of the turbocharger thanks to reduced heat losses and radiation to the environment,
• reducing the risk of overheating of components near the hot side of the turbo,
• maintaining consistency with the factory design of the BMW supercharging system,
• easier diagnostics and service – the mechanic works with a well-known, original design.

For drivers who want to further optimize the operation of their car by consciously choosing the components used, an interesting supplement to their knowledge may be the material on the impact of parts recycling on the environment and the costs of using a vehicle: Eco-driving and used car parts .

Other BMW turbo heat shields in our offer

If you're also looking for other turbo heat shields for BMW models with powerful engines, check out the dedicated category: BMW Turbo Heat Shields in the Turbochargers and Parts category . This allows you to easily compare available solutions within a single component group and select the component best suited to your service or modification project.