BMW E87 E90 E91 E92 Complete Set Radiator Pack Fan Housing Automatic 7559273

BMW E87 E90 E91 E92 Complete Set Radiator Pack Fan Housing Automatic is an original cooling system component designed for BMW models with the N43 engine and automatic transmission. It ensures stable heat dissipation from the power unit and efficient airflow support through the radiator. Thanks to its factory design tailored to the specific vehicle configuration, it guarantees proper fitment, predictable performance, and seamless integration with the vehicle's systems.

Specifications and technical data

• SKU: 7559273
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7559273
• Substitutable numbers: 17117559273, 7559273, 17117521048, 7521048, 17427523259, 7523259, 17117590699, 7590699, 17217529499, 7529499, 64539229022, 9229022, 645369300406453920630064509169772, 645369300386453920629764509169791, 9169791920629769300389169772, 92063006930040, 16326937515, 693
• Gearbox type: Automatic
• Category: Caps

Purpose and compatibility

The presented radiator and fan assembly has been designed specifically for selected BMW 1 Series E81 / E87 LCI and 3 Series E90 models with the N43 engine, equipped with an automatic transmission. The design takes into account the thermal characteristics of this power unit and the requirements of the automatic transmission control system, which translates into stable operating temperatures under various load conditions.

The original BMW solution allows for maintaining factory cooling parameters without the need for modifications to mounts, hoses, or the electrical wiring. This is particularly important for repairs in vehicles used intensively in city traffic or on long-distance routes.

Construction and function of the cooling system

The radiator integrated with the fan is responsible for efficient heat transfer from the coolant to the environment and forced airflow at low driving speeds. This assembly works in conjunction with temperature sensors and the vehicle's ECU, which adjusts the fan speed to the current engine load.

• stabilization of the N43 engine operating temperature across the full RPM range,
• compatibility with the automatic transmission control system,
• maintenance of factory cooling characteristics in city and highway conditions,
• reduction of overheating risk during high ambient temperatures.

Thanks to the factory design, the system maintains appropriate rigidity and tightness, which is crucial for maintaining the correct pressure in the cooling circuit and the proper operation of the fan.

Benefits of using an original BMW component

Using an original radiator and fan assembly to replace a worn or damaged component allows for restoring the system's performance to the values specified by the manufacturer. In practice, this means:

• reliable compatibility with the electrical system and engine control unit,
• proper operation of safety functions against overheating,
• no need for adaptation of mounts and hoses,
• consistency with other cooling system elements in a given BMW model.

This solution is especially recommended for repairs of daily-driven vehicles, where predictability, durability, and maintaining the factory operating characteristics of the power unit are essential.

Characteristics of the used product

The item comes from dismantling and is classified as a used BMW component. This means it retains its original construction and design parameters while offering a more attractive price compared to a new part. For many users, this is a reasonable compromise between repair costs and maintaining factory quality and fitment.

If you want to better understand when choosing a used OEM element is more beneficial than an aftermarket replacement, it is worth checking out the practical tips in the article 5 reasons why a used OEM part is a better choice than a replacement, where you will find specific examples and selection criteria.

System expansion within the same group

If you are planning a comprehensive repair or upgrade of the body area in your BMW and need other elements from the same group, such as covers, trims, or additional protective moldings, check out the available parts in the BMW Trims category.