Thermostat Housing BMW F10 F30 F32 N57N N57Z 330d 430d 530d Diesel 8516206

Thermostat Housing BMW F10 F30 F32 N57N N57Z 330d 430d 530d Diesel is an original cooling system component from the Thermostats and housings category, designed for BMW diesel engines. It enables proper coolant flow around the thermostat, which promotes stable operating temperatures for the power unit and safe loading of the diesel engine. This solution is dedicated to specific BMW models with N57N and N57Z engines, ensuring factory-grade geometric fitment.

Specifications and technical data

• SKU: 8516206-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8516206
• Substitutable numbers: 11518516206, 8516206
• Fuel type: Diesel
• Category: Thermostats & Housings

Purpose and function in the cooling system

The described thermostat housing works with Diesel power units used in BMW F10, F30, and F32 series in 330d, 430d, and 530d versions. Its task is to maintain the tightness of the thermostat assembly and properly direct the coolant flow, which has a direct impact on the stability of the engine's operating temperature and protection against overheating.

Thanks to a design consistent with BMW factory standards, the housing ensures:

• precise fitment to the engine block and auxiliary equipment,
• correct positioning of the thermostat in the cooling system,
• maintenance of tight connections with coolant hoses.

Technical characteristics and compatibility

The thermostat housing belongs to the Thermostats and housings group, meaning it is a component responsible for the mechanical integration of the thermostat with the cooling system. The product is designed to work with BMW diesel engines, where rapid achievement of operating temperature and its stable maintenance under loads characteristic of diesel units is crucial.

As an original BMW part, the housing was designed taking into account:

• geometry characteristic of N57N and N57Z engines,
• arrangement of ports and mounting points consistent with factory equipment,
• resistance to temperature and pressure typical for diesel engine cooling systems.

Product condition and installation aspects

The item is offered in used condition, which allows for an economical replacement of a damaged or leaking housing while maintaining original BMW specifications. Before installation, it is recommended to perform a standard inspection of the mating surfaces, seal seats, and ports for any signs of wear.

In workshop practice, this type of thermostat housing enables:

• restoration of factory cooling channel flow,
• maintenance of compatibility with stock hoses and mounts,
• reduction of installation time due to matching original mounting points.

Benefits of using an original BMW thermostat housing

Using an original thermostat housing in a BMW diesel engine translates into stable cooling system operation and predictable behavior of the power unit across a wide range of loads. Proper coolant circulation helps maintain the optimal temperature, which is important for both engine durability and combustion efficiency.

For the user, this means:

• reduced risk of overheating under heavy load,
• more repeatable engine operating conditions in city and highway driving,
• maintenance of operating parameters in accordance with the manufacturer's specifications.

System expansion – BMW Thermostats and housings

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional housings, thermostat bodies, or mounting elements, check out the available parts in the BMW Thermostats and housings category.

For those interested in a broader context of automotive technology development, including changes in the design of cooling systems and engine accessories over the years, an article describing the evolution of solutions in the premium segment may be helpful – you can find it here: Evolution of the Mercedes S-Class: from W140 to W222 – innovations and service parts.