BMW F20 F21 F30 F31 N20 N55 Engine Cooling Coolant Radiator 7618807

BMW F20 F21 F30 F31 N20 N55 Water Radiator 7618807 is an original cooling system component from the water radiators category, designed for installation in the front of the vehicle. This BMW-designed radiator ensures stable heat dissipation from the engine, contributing to the safe operation of the powertrain under various road conditions. A used OEM component is a sensible choice for drivers seeking a technically matched solution at an attractive price.

Specifications and technical data

• SKU: 7618807
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7618807
• Substitutable numbers: 17118672104, 8672104, 17117618807, 7618807
• Location on the vehicle: Front
• Category: Radiators

Intended Use and Model Fitment for BMW

The presented water radiator has been developed for popular BMW 1 Series F20/F21 and 3 Series F30/F31 models with N20 and N55 gasoline engines. The OEM construction guarantees correct placement of connectors, mounting points, and support brackets, facilitating installation in factory locations without the need for modifications. This ensures compatibility with the original cooling system and the coolant flow intended by the manufacturer.

Construction and Vehicle Placement

The water radiator is mounted in the front of the vehicle, where it has optimal access to airflow. This location promotes efficient heat dissipation during driving, both in urban traffic and at higher speeds. The design of the core and side tanks has been adapted to the thermal requirements of the N20 and N55 units, allowing for stable engine operating temperatures.

The original BMW solution ensures proper fitment with shrouds, the fan, and other engine bay components. This allows the radiator to work in conjunction with the factory air ducting, which is important for uniform cooling and reducing the risk of overheating under high load conditions.

Benefits of Using an Original BMW Water Radiator

Using an original water radiator in a BMW cooling system offers a number of practical benefits:

• Precise fitment for specific body generations and powertrains, reducing the risk of leaks and installation issues.
• Compatibility with the factory cooling system design, including coolant circulation, thermostat, and fan operation.
• Stable maintenance of engine operating temperature, contributing to the longevity of the powertrain and its ancillaries.
• The ability to use existing mounting points, hoses, and shrouds without additional adaptations.

A used OEM part is a compromise between quality and cost – it allows for maintaining factory operating parameters of the system while reducing expenses compared to a new part.

Condition, Verification, and Service Application

The water radiator is categorized as used BMW components, meaning that before reinstallation, it should be routinely checked for leaks, channel cleanliness, and the condition of the connection ports. This type of component is excellent as a replacement in post-accident repairs, for mechanical damage to the front of the vehicle, or when the existing radiator shows signs of operational wear.

For workshops and services specializing in the BMW brand, using an original water radiator helps maintain compliance with the manufacturer's technical documentation, simplifying diagnostics and subsequent vehicle servicing. Drivers, in turn, gain the assurance that the cooling system is based on a solution specifically designed for the given engine-body configuration.

More BMW Water Radiators and Cooling System Knowledge

If you are looking for other BMW water radiators compatible with different models of this brand, check out our dedicated category: BMW water radiators. You will find a wide selection of components for various generations and engine versions.

When planning to replace cooling system components, it is worth understanding the impact of high temperatures on engine operation and the potential savings when choosing used parts. Practical tips can be found in the guide: Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings, where we discuss, among other things, the selection of radiators and fans and their importance for powertrain durability.