BMW 1 Series E81 E87 LCI N45N N46N Pressure Hose Compressor Condenser Pipe

BMW 1 Series E81 E87 LCI N45N N46N Pressure Hose Compressor Condenser Pipe is an original cabin cooling system component, designed for use with N45N and N46N engines. Thanks to its factory geometry and correct diameter, it ensures stable refrigerant pressure and proper operation of the compressor and other air conditioning components, which translates into efficient and predictable air conditioning system performance in your BMW 1 Series.

Specifications and technical data

• SKU: 9223321
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6966287
• Substitutable numbers: 64509223326, 9223326, 64536927535, 6927535, 64536966287, 6966287, 64534138518, 4138518
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The offered hose belongs to the Air conditioning lines, hoses and connectors group and is responsible for the safe routing of refrigerant between system components in BMW E81 and E87 models with N45N and N46N engines. The properly selected length, shape, and connector type minimize the risk of stress, leaks, and vibrations that could affect compressor durability and interior cooling efficiency.

A properly selected air conditioning hose:

• maintains the tightness of the refrigerant circuit under typical operating conditions,
• ensures stable operating pressure throughout the system,
• limits the transfer of vibrations from the compressor to other installation elements.

Benefits of using an original BMW hose

Using an original BMW air conditioning hose instead of a universal part allows you to maintain the factory operating parameters of the system. The precise fit for the E81/E87 body and N45N/N46N engines facilitates installation and eliminates the need for modifications. This solution is particularly beneficial for vehicle maintenance where compliance with the manufacturer's factory specifications and predictable long-term system behavior are important.

The element from this group is a good choice for:

• repairs after an air conditioning system leak,
• preventive maintenance after a compressor failure,
• restoring the factory configuration of the cabin cooling installation.

Condition of the item and installation aspects

The hose is offered in used condition, which allows for an economical repair while maintaining the original BMW design. Before installation, standard service procedures are recommended: checking the system for leaks, replacing the dryer, and performing a pressure test after installing the hose. Thanks to the factory ends and connectors, the hose is ready for installation in the location provided by the manufacturer, without the need for system modifications.

Compatibility and reference numbers

The product has a dedicated OEM part number and associated replacement numbers, which facilitates clear identification in BMW catalogs and service systems. Before purchasing, it is worth comparing the markings with vehicle data or using the manufacturer's catalog to confirm compatibility with a specific equipment version and model year. The presence of reference numbers also allows for easier matching of the hose in case of previous air conditioning system modifications.

Expansion and service of the BMW air conditioning system

If you are planning a comprehensive repair or upgrade of the air conditioning area in your BMW and need other elements from the same group, such as additional lines, flexible hoses, or service connectors, check the available parts in the BMW air conditioning lines, hoses and connectors category.

When selecting used cabin cooling system components, it is worth learning about the broader context of using original dismantled parts in premium cars – you can find more on this topic in the article Used parts for Mercedes – original parts from dismantling, which discusses a practical approach to service using proven components.