Engine Radiator BMW E90 E81 E87 LCI Petrol N43 Water Cooling Coolant 376782071

Engine Radiator BMW E90 E81 E87 LCI Petrol N43 Water Cooling Coolant is a component from the Condensers (radiators) category, designed for the cooling systems of BMW 1 and 3 series petrol engines with the N43 unit. This used component allows for an economical yet technically sound radiator replacement in petrol-powered vehicles, while maintaining the correct operating parameters of the system.

Specifications and technical data

• SKU: 7564654-1
• Mark: Unbranded
• Condition: Used
• OEM Part Number: 7564654
• Substitutable numbers: 17117564654, 7564654, 376782071, KZ
• Fuel type: Petrol
• Category: A/C Condensers

Purpose and function in the cooling system

The water radiator in BMW models with the N43 engine is responsible for stabilizing the engine's operating temperature, which directly impacts engine durability, smooth operation, and operational safety. This component works in conjunction with the thermostat, coolant pump, and fan, ensuring efficient coolant circulation in both city and highway driving conditions.

The presented radiator is dedicated to petrol-powered vehicles, meaning it is matched to the thermal characteristics of BMW E81, E87 LCI, and E90 petrol engines with the N43 unit. This makes it possible to maintain the proper operating temperature range, reduce the risk of overheating, and ensure stable operation of engine accessories.

Technical characteristics and compatibility

The product comes from the Condensers (radiators) category, meaning it has been designed as a heat exchange element in the cooling system. The radiator's construction is adapted for factory mounting in the engine bay of the BMW E81, E87 LCI, and E90 with the N43 engine, which facilitates installation in place of a worn-out part without the need for modifications.

The radiator has an assigned OEM part number and associated interchangeable numbers, which allows for precise verification of compatibility with a specific vehicle configuration. Before purchasing, it is worth comparing the markings with service documentation or the existing part to confirm full compatibility with your specific car.

Condition, application, and benefits of installation

The offered water radiator is a used component, which allows for reduced repair costs while maintaining the functionality required for daily use. This solution is particularly beneficial for comprehensive service work on older BMW models, where a reasonable balance between price and technical efficiency is important.

Replacing the radiator with a functional unit from the same design group allows you to:

• maintain a stable operating temperature for the N43 petrol engine,
• reduce the risk of failures resulting from engine overheating,
• maintain proper cooperation with other cooling system components,
• reduce service costs compared to purchasing a new part.

Unbranded Condensers (radiators) – expansion and service

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 auxiliary radiators, mounting elements, or related heat exchangers, check the available parts in the Unbranded Condensers (radiators) category.

Additional technical and operational information

Before installation, it is recommended to thoroughly flush the cooling system and check the condition of hoses, clamps, and connection seals to fully utilize the potential of the installed radiator. For BMW N43 petrol engines, it is particularly important to maintain the correct composition and level of coolant, which affects protection against internal corrosion and the stability of thermal parameters.

For users interested in a broader look at modifications and service of components related to thermal management and exhaust flow in premium cars, an article dedicated to exhaust systems and performance components may be helpful – you can find it here: Performance exhaust system: used manifolds and sports catalytic converters on the road.