BMW E90 E91 E92 LCI N57 Pressure Hose Condenser Evaporator Pipe Lines 9190453

BMW E90 E91 LCI N57 Air Conditioning Hose Pipe Line is an original cabin cooling system component, designed for facelifted 3 Series models with the N57 engine. This used hose from the Air Conditioning Hoses, Pipes, and Connectors category allows for restoring air conditioning functionality while maintaining the factory routing of the refrigerant and solid build quality.

Specifications and technical data

• SKU: 9190453
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9190453
• Substitutable numbers: 64509190453, 9190453, AS
• Category: A/C Hoses & Fittings

Intended Use and Function in the Air Conditioning System

The air conditioning hose in BMW E90/E91 LCI models with the N57 unit is responsible for the sealed and stable routing of refrigerant between system components such as the compressor, condenser, and evaporator. The appropriately selected diameter, shape, and connectors ensure correct operating pressure and proper system operation.

By maintaining the original hose route, the risk of vibrations, chafing, and leaks is minimized, which translates to stable cabin temperature and reduced load on the compressor. This is particularly important in modern N57 diesel engines, where the air conditioning system works in conjunction with advanced control electronics.

Benefits of Using an Original BMW Hose

Using an original air conditioning hose in the BMW 3 Series allows for maintaining the parameters specified by the vehicle manufacturer. In practice, this means:

• secure fit to mounts and brackets in the engine bay,
• proper sealing of connections at factory fittings,
• adequate resistance to refrigerant temperature and pressure,
• maintenance of correct flow throughout the system.

For the user, this means stable air conditioning operation, reduced risk of recurring leaks, and no need for installation modifications. This solution is particularly beneficial for professional repairs where repeatability and compliance with service documentation are crucial.

Component Condition and Installation Aspects

The offered hose is a used part, sourced from disassembly, allowing for an economical repair while maintaining original BMW specifications. Before installation, standard service procedures are recommended: checking system integrity, replacing seals on connectors, performing a vacuum, and refilling the system with the appropriate refrigerant.

The hose is designed for installation in place of the original part, without the need for system modifications. For workshops, this means predictable working time, and for the user – a reduced risk of operational problems after the repair.

Hose Selection and Compatibility

To correctly select an air conditioning hose for a BMW E90/E91 LCI with an N57 engine, pay attention to compatibility with the specific body version and system configuration. Manufacturer markings and reference numbers are helpful for unequivocally verifying compatibility with a given vehicle.

If in doubt, it is advisable to compare the route and shape of the hose with the part removed from the car or consult a service specializing in the BMW brand. This will help avoid installation problems and ensure proper air conditioning operation after the repair is completed.

Other BMW Air Conditioning Hoses and Used Parts Knowledge

If you are looking for other BMW Air Conditioning Hoses, Pipes, and Connectors, check out the BMW Air Conditioning Hoses, Pipes, and Connectors available in our store to select parts that fit your specific model and engine version.

When choosing disassembled parts, it is worth knowing the general principles for selecting used premium components – practical tips on the cost-effectiveness and safety of such solutions can be found in the article Used Parts for Mercedes – Original Parts from Disassembly, which discusses the approach to original components from the aftermarket.