BMW F30 F32 LCI 335dX 435dX N57Z Housing Cover Part Turbocharger Turbo 8508091

The BMW F30 LCI 335dX N57Z Turbo Turbine Housing 8508091 is an original turbocharger and parts component designed for the N57Z turbocharger system. This used turbine housing provides a functional base for professional rebuilding or repairing an existing turbocharger, while maintaining factory fitment to the specific configuration of the BMW F30 LCI 335dX.

Specifications and technical data

• SKU: 8510943-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8510943
• Substitutable numbers: 11658510943, 8510943, 11658508091, 8508091, KZ
• Category: Turbos & Parts

Intended use and fitment for BMW F30 LCI 335dX N57Z

This BMW F30 LCI 335dX N57Z turbo housing was designed as a component of the turbocharging system in this series diesel engine. The design meets the manufacturer's factory specifications, making it easy to install in place of a damaged housing without the need to modify the hardware or manifolds.

Original BMW OE origin means maintaining the correct geometry of the exhaust gas channels, mounting points and contact surfaces, which is crucial for the correct operation of the turbocharger and stable charging parameters.

Technical characteristics of the turbine housing

The turbine housing plays a critical role in the supercharging system: it guides exhaust gases onto the turbine wheel, transferring the exhaust gas energy to the compressor. Particularly important in this component are:

• Precise guidance of the exhaust gas flow – appropriately shaped channels influence the speed of boost pressure increase and the engine’s response to gas.
• Stable mounting points – the correct arrangement of holes and flanges ensures a tight connection with the exhaust manifold and other turbocharger components.
• Material resistance – the housing operates at high temperatures and under high thermal loads, so its resistance to heating and cooling cycles is crucial.

By maintaining the factory design, this housing provides a solid foundation for further regeneration of the complete turbocharger or replacement of just the hot side part of the system.

Used condition - practical benefits

The component is offered in used condition, significantly reducing repair costs compared to purchasing a new turbocharger or housing. For many BMW F30 LCI 335dX N57Z owners, this represents a reasonable compromise between economy and maintaining original specifications.

A used turbo turbine housing is particularly attractive in situations where only the hot section has been damaged, while the remaining turbocharger components (e.g., core, cold side, actuators) are suitable for further use or refurbishment. This allows for reduced workload and costs while maintaining proper turbocharging system performance.

If you want to better understand how to safely use second-hand parts, it is worth reading the article "Used Car Parts: Myths and Facts You Need to Know" , which dispels many doubts related to such service solutions.

Application in service, regeneration and tuning

The turbo turbine housing for the BMW F30 LCI 335dX N57Z is used in both standard repairs and more advanced projects:

• Turbocharger regeneration – as a basis for rebuilding the factory unit, while maintaining the original operating characteristics.
• Accident and operational repairs – replacement of damaged housing without the need to purchase a complete turbocharger.
• Modification projects – in combination with a properly selected core and cold side, it can be part of more complex configurations, while maintaining proper fit to the exhaust system.

Those interested in increasing performance using aftermarket components can also benefit from the advice in "How to Increase Engine Power: A Practical Guide to Engine Tuning with Used Parts," which discusses the practical aspects of such modifications.

Why choose a BMW OE turbo turbine housing?

Choosing an original housing from the BMW OE group means, above all:

• Factory fit – compatible with the exhaust system and N57Z engine accessories in the BMW F30 LCI 335dX.
• Consistency with service documentation – easier identification and service in workshops specializing in the BMW brand.
• Possibility of using interchangeable numbers – facilitating the selection of accompanying parts and compatible turbocharger components.

If you are looking for other turbochargers and supercharger components dedicated to this brand, check out the turbochargers and parts for BMW available in our store to choose a complete service solution or a regeneration kit.