BMW F74 Gran Coupé Interior Cabin Heater Radiator 1.5 Petrol T219703

BMW F74 Gran Coupé Interior Cabin Heater Radiator 1.5 Petrol is an original interior heating system component designed for use with a petrol-powered engine. It ensures efficient heat extraction from the cooling system and transfers it to the air directed into the cabin, which translates into thermal comfort for the driver and passengers. This solution is dedicated to a specific model configuration, which facilitates fitment and reduces the risk of installation issues.

Specifications and technical data

• SKU: T219703-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: T219703
• Substitutable numbers: T219703, CT219703, 703148511220
• Fuel type: Petrol
• Part type: Heater Core
• Category: Heater Cores

Purpose and function in the heating system

The cabin heater in the BMW F74 Gran Coupé is responsible for the efficient use of heat from the coolant to warm the air blown into the vehicle's interior. In practice, this means:

• stable maintenance of the set cabin temperature under various external conditions,
• cooperation with the ventilation and air conditioning system in heating mode,
• efficient window defrosting thanks to a warm stream of air directed at the windshield. The component has been designed for a petrol powertrain, which is significant for the operating parameters of the entire cooling and heating system.

Construction and fitment for the BMW F74 Gran Coupé

The heater heat exchanger is structurally adapted to the interior architecture of the BMW F74 Gran Coupé, ensuring proper compatibility with the heater housing, hoses, and air ducts. The appropriate shaping of the connection ports and the body facilitates installation in the factory location without the need for system modifications. Its original BMW group origin helps maintain the correct fluid and air flow characteristics, which translates into uniform cabin heating and predictable system performance in various operating modes.

Condition, verification, and practical application

The offered item comes from the used BMW parts segment, which allows for an economical repair of the heating system while maintaining structural compliance with factory equipment. This type of heater is particularly suitable in situations where the existing heat exchanger has developed leaks, become clogged, or lost its thermal efficiency. Selecting parts according to manufacturer markings and interchangeable numbers allows the heater to be matched to a specific equipment version and model year, minimizing the risk of incorrect installation or system leaks.

Benefits of using an original heat exchanger

• Compatibility with the petrol system – design intended for use with the 1.5 petrol engine in the BMW F74 Gran Coupé.
• Consistency with the factory ventilation and air conditioning system – maintaining the heating characteristics intended by the manufacturer.
• Ability to restore full cabin heating efficiency without interfering with the electrical installation or controls.
• Reasonable repair cost due to the use of a pre-owned part while maintaining original specifications.

BMW heat exchangers – system expansion and modernization

If you are planning a comprehensive repair or modernization of the heating and cooling system area in your BMW and need other components from the same group, such as additional heaters, radiators, or other heat exchangers, check the available parts in the BMW Heat Exchangers category.

Expert support in selecting used components

When selecting used powertrain elements and associated components, it is worth relying on reliable technical data and manufacturer markings. If you want to better understand the specifics of the second-hand parts market, selection procedures based on part numbers, and the cost-to-durability ratio, the expert article Why it is worth buying used gearboxes and engines – facts instead of myths will be helpful, as it organizes the most important issues related to purchasing used components.