BMW 1 3 Series F20 F21 F30 F31 N13 Heater Water Hose Tube Hose 9223587

The Heater Hose for BMW 1 Series F20/F21 and 3 Series F30/F31 with N13 Engine is an original cooling system component responsible for the efficient flow of coolant between the engine and the heater core. As part of the Hoses, Tubes, and Pipes group, it ensures proper supply of warm medium to the heater core, translating into effective interior heating of the vehicle. A used OEM part is a sensible choice for drivers seeking a technically matched component at an attractive price.

Specifications and technical data

• SKU: 9223587
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9223587
• Substitutable numbers: 64219223587, 9223587, EM
• Category: Hoses, Lines & Pipes

Purpose and Function in the Cooling System

The presented heater hose has been specifically designed for BMW 1 Series F20/F21 and 3 Series F30/F31 models equipped with the N13 engine. It is responsible for transporting coolant to and from the heater core, maintaining stable thermal conditions in the cabin and supporting the proper operation of the entire cooling system.

Thanks to its factory shape and diameter, the hose ensures:

• correct fitment to the cooling system connections on the N13 engine,
• stable coolant flow without kinks or restrictions,
• maintenance of the original hose routing in the engine bay.

Construction and Mounting Fitment

The original BMW heater hose features a construction adapted to the specific installation layout in the F20/F21 and F30/F31 models. The materials used and the hose's shape are selected to withstand the typical temperature and pressure loads in the N13 gasoline engine's cooling system.

Key mounting features:

• factory profiling enabling quick installation without modifications,
• retention of original routing and mounting points in the engine bay,
• compatibility with factory connectors and clamps used in BMW F20/F21/F30/F31.

Benefits of Using an Original BMW Hose

Using an original heater hose in a BMW with an N13 engine helps maintain the integrity of the entire cooling system according to the manufacturer's design. This translates to:

• stable heater core operation and predictable interior heating of the vehicle,
• reduced risk of leaks resulting from ill-fitting aftermarket parts,
• easier cooling system diagnostics due to the preservation of the factory configuration.

A used OEM part is particularly attractive for routine maintenance repairs when maintaining the original specification while optimizing service costs is a priority.

Condition of the Part and Service Application

The heater hose is a used part obtained from disassembly and is offered as a used component, allowing for economical repair of the cooling system without compromising the original BMW design. It is suitable for replacing a damaged hose as well as for comprehensive cooling system servicing in vehicles with the N13 engine.

When selecting a heater hose, it is advisable to also check the condition of other cooling system components, such as other hoses, connectors, or the heater core, to ensure long-term and trouble-free vehicle operation.

Related Categories and Additional Technical Information

If you are planning a more extensive cooling system service for your BMW 1 Series or 3 Series and also need other parts from the BMW cooling system hoses group, check the available parts in the BMW Hoses, Tubes, and Pipes category.

During vehicle servicing, it is also important to ensure the proper functioning of the braking system. If you are interested in how to safely choose used components of this type, the article Second-hand Braking System: How to Safely Choose Discs, Calipers, and ABS? will be helpful, containing a practical checklist for purchasing used parts.