OEM BMW Cooling Systems Online

64539382720 - : A/C Refrigerant Suction Hose for BMW Image

A/C Refrigerant Suction Hose

From 04/2016. Suction hose. M40i series. 3.0L.
Backordered
64539151738 - : A/C Refrigerant Liquid Hose for BMW Image

A/C Refrigerant Liquid Hose

Condenser to evaporator. 3 series. X1. 28i series. 2.0L. Coupe & convertible, with turbo, 320 hp. Without M3, with turbo.
$192.58
MSRP $240.73
Save $48.15
20% Off
64505B8FB00 - : A/C Refrigerant Suction Hose for BMW Image

A/C Refrigerant Suction Hose

Without cs. 3.0L, with M4. With M3. 2022-25, 3.0L, with m. M2. Evaporator to compressor.
$231.94
MSRP $289.92
Save $57.98
20% Off
64538397871 - : A/C Refrigerant Suction Hose for BMW Image

A/C Refrigerant Suction Hose

Z3. Compressor To Evaporator.
Backordered
64538377633 - : A/C Refrigerant Suction Hose for BMW Image

A/C Refrigerant Suction Hose

Comp to evaporator, 1.9L. Comp to evaporator, 1.8L. Compressor To Evaporator.
Backordered
64509291153 - : A/C Refrigerant Discharge Hose for BMW Image

A/C Refrigerant Discharge Hose

Heat Pump. From Compressor to Underbody A/C Refrigerant Discharge Pipe. I3. High pressure sensor.
Backordered
64538391328 - : A/C Refrigerant Suction Hose for BMW Image

A/C Refrigerant Suction Hose

Compressor To Evaporator. Comp to evaporator, 1.8L.
Backordered
64539239768 - : A/C Refrigerant Discharge Hose for BMW Image

A/C Refrigerant Discharge Hose

135i. Coupe & convertible, with turbo. Without M3, with turbo. Compressor To Condenser.
$154.07
MSRP $192.59
Save $38.52
20% Off
64509317391 - : A/C Refrigerant Liquid Hose for BMW Image

A/C Refrigerant Liquid Hose

Heat Pump. Shut-Off Valve to A/C Underbody Liquid Hose.
Backordered
64539253581 - : A/C Refrigerant Liquid Hose for BMW Image

A/C Refrigerant Liquid Hose

3.0L turbo, with hybrid-front. Auxiliary A/C. From Condenser. Main Air Cond.
Backordered
64539395469 - : A/C Refrigerant Suction Hose for BMW Image

A/C Refrigerant Suction Hose

$276.52
MSRP $345.65
Save $69.13
20% Off

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Keeping your BMW Cooling System in top condition

Engines generate a lot of heat while running, and a properly functioning cooling system keeps everything at safe temperatures. Drivers rely on these systems to prevent overheating that can cause serious damage. Regular inspection and maintenance are essential to catch issues early. At BMW Auto Parts Online, we provide genuine BMW replacements that maintain your car’s performance and reliability.

How cooling systems work

The cooling system circulates coolant through the engine and radiator to absorb and release heat. Components like the water pump, thermostat, and radiator work together to maintain consistent engine temperatures. A well-maintained cooling system ensures the engine runs efficiently, avoids overheating, and supports long-term reliability. Related parts, such as the radiator hose, also play a role in keeping coolant moving smoothly.

Why cooling systems fail

Over time, components can wear out or become clogged. Leaks in hoses, a failing water pump, or a stuck thermostat can lead to overheating. Contaminated or old coolant can corrode metal surfaces and damage seals. Recognizing signs like temperature spikes, coolant leaks, or unusual noises can help prevent costly repairs.

When to replace parts

Replacement intervals depend on vehicle age, mileage, and driving conditions. Genuine BMW parts provide precision fit and durability that aftermarket options often cannot match. Popular models such as the BMW 5 Series and BMW X5 benefit from OEM cooling system replacements, ensuring consistent performance and longer lifespan. Regular maintenance and timely replacement keep the engine safe and reliable.

Maintaining a BMW’s cooling system protects the engine and supports smooth performance on every drive. Choosing genuine BMW parts from BMW Auto Parts Online guarantees quality and compatibility. Staying on top of maintenance prevents unexpected failures and keeps the vehicle running as intended. Investing in authentic components ensures peace of mind for years of dependable driving.