BMW E60 E61 E63 E65 E81 E87 E90 E91 E93 Petrol Thermostat Housing 7549476

BMW E60 E61 E63 E65 E81 E87 E90 E91 E93 Petrol Thermostat Housing is an original component from the Thermostats and housings category, designed for BMW petrol engines. Engineered for specific 5, 6, 7, 1, and 3 Series models, it ensures proper temperature management of the powertrain, which translates into stable operation and component safety.

Specifications and technical data

• SKU: 7549476
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7549476
• Substitutable numbers: 11537549476, 7549476, 1153754478811537536655, 7544788, 7536655, 11997710
• Fuel type: Petrol
• Category: Thermostats & Housings

Purpose and compatibility with BMW models

The presented coolant thermostat is dedicated to popular BMW models: the E60 and E61 series (executive class segment), E63 and E65 (luxury-oriented vehicles), as well as the compact E81 and E87 and the E90, E91, and E93 series. This makes it a practical solution for both fleet vehicle users and private owners who value consistent, predictable cooling system performance.

The component has been developed for petrol engines, ensuring that the thermostat's opening characteristics match the specifications of BMW petrol units. Proper integration with the factory cooling system helps maintain the optimal operating temperature range, reducing the risk of engine overheating or slow warm-up.

Function in the cooling system and installation benefits

The coolant thermostat plays a key role in controlling the flow of liquid between the engine block and the radiator. A properly functioning component:

• accelerates the achievement of operating temperature after start-up, which promotes stable engine operation,
• maintains a constant temperature range as specified by the manufacturer, increasing engine durability,
• reduces adverse thermal fluctuations that can affect seals, the cylinder head, and accessories,
• supports combustion efficiency, which can translate into more predictable fuel consumption.

For the user, this means more reliable vehicle behavior in city traffic and on the highway, as well as a lower risk of failures related to overheating. In the case of BMW petrol engines, proper thermostat operation is particularly important during dynamic driving and frequent load changes.

Characteristics of the used part

The offered thermostat is a used part, sourced from dismantling, which allows for combining an attractive purchase cost with the preservation of the manufacturer's original specifications. For many BMW users, this is a reasonable compromise between quality and budget, especially during comprehensive service work on older E-series generations.

Choosing an original, used component from the Thermostats and housings category often ensures better fitment than aftermarket replacements of unknown origin. The correct geometry of the ports, mounting points, and connections to the cooling system facilitates installation and reduces the risk of leaks.

Technical aspects and interchangeable numbers

The thermostat was developed by BMW as an OEM component, which means full compliance with the vehicle's factory technical documentation. The part has an assigned OEM number and a set of interchangeable numbers, allowing it to be precisely verified against the manufacturer's catalog or service software. This is crucial when selecting a component for a specific engine version within the listed models.

The presence of reference numbers also facilitates comparison with other thermostat variants used in the BMW range, which is helpful when planning repairs, upgrades, or replacing the entire cooling module. This minimizes the risk of purchasing a component with incorrect opening parameters or a different housing type.

Cooling system expansion and related components

During service work on the cooling system, it is worth considering a simultaneous check of the condition of hoses, the radiator, the water pump, and temperature sensors. A consistent approach to maintaining this area of the vehicle allows for reducing service downtime and ensures more predictable vehicle operation, especially in intensively used units.

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 thermostat housings, connectors, or modules integrated with the cooling system, check the available parts in the BMW Thermostats and housings category.

Additional technical information and user knowledge

Modern BMW engines, especially in petrol versions, are designed with great attention to operating temperature control. A functional thermostat is one of the elements that affects exhaust emissions, fuel consumption, and overall engine performance. Understanding how the systems responsible for powertrain parameters work helps in consciously planning service and selecting the right parts.

If you want to expand your knowledge about modern solutions in engine systems and are considering using used components, such as exhaust gas recirculation valves, it is worth reading the material: EGR: what it is and why it is worth considering used EGR valves. This will allow you to better understand how individual systems interact with the cooling system and affect the overall efficiency of the vehicle.