OEM BMW Cooling Systems Online

17125A44477 - : Upper Hose for BMW Image

Upper Hose

Primary Radiator. With dsc control. 330e xDrive. 2022-25, main. 230i xDrive. 430i Gran Coupe. High temp. 330i.
$104.22
MSRP $141.26
Save $37.04
26.2% Off
17128654831 - : Upper Hose for BMW Image

Upper Hose

Auxiliary Radiator. 2.0L, 2022-24. Sedan, 2.0L turbo, 2.0 phev. Low temp. 330i.
$104.22
MSRP $141.26
Save $37.04
26.2% Off
17128678510 - : Lower Hose for BMW Image

Lower Hose

4.4L, radiator, without M8. M850i xDrive Gran Coupe. With motorsport package. Primary Radiator.
$84.54
MSRP $114.58
Save $30.04
26.2% Off
17128602669 - : Lower Hose for BMW Image

Lower Hose

4.4L, radiator, without M8. 750i, 750ix. Primary. M850i xDrive Gran Coupe. Without motorsport package. 2020-23, inner radiator. 750i...
$84.54
MSRP $114.58
Save $30.04
26.2% Off
17129894786 - : Upper Hose for BMW Image

Upper Hose

X7. X5. M50i. Primary Radiator. Radiator to Connector. Xdrive50i. Without m model, inner radiator, front.
$73.52
MSRP $99.65
Save $26.13
26.2% Off
17128602634 - : Upper Hose for BMW Image

Upper Hose

Location-Wheel Arch. 530i, 530i xDrive. 2.0L, auxiliary. 2017-19, auxiliary. 530e, 530ex. 2020-23, auxiliary.
$84.54
MSRP $114.58
Save $30.04
26.2% Off
17125A3B5B9 - : Lower Hose for BMW Image

Lower Hose

3.0L, 2025-26. Without M4, main. Radiator. M440i xDrive. High temp. M340i.
Backordered
17128654833 - : Lower Hose for BMW Image

Lower Hose

2022-25, auxiliary. 2.0L, 2022-24. Sedan, 2.0L turbo, 2.0 phev. Auxiliary Radiator. Low temp. 330i.
$77.18
MSRP $104.61
Save $27.43
26.2% Off
17125A024A4 - : Lower Hose for BMW Image

Lower Hose

2.0L. Primary Radiator. Radiator. 430i xDrive. 330i. High temp.
$88.76
MSRP $120.31
Save $31.55
26.2% Off
17128654834 - : Upper Hose for BMW Image

Upper Hose

Without dsc control. 330i. 2.0L. Radiator. 430i xDrive. 230i. Primary Radiator. 430i Gran Coupe. High temp. 330e.
$104.22
MSRP $141.26
Save $37.04
26.2% Off
17128602633 - : Lower Hose for BMW Image

Lower Hose

540i, 540i xDrive. Auxiliary Radiator. Location-Wheel Arch. 2.0L, auxiliary. 2017-19, auxiliary. 530e, 530ex. 2020-23, auxiliary.
$99.26
MSRP $134.53
Save $35.27
26.2% Off
17129845124 - : Lower Hose for BMW Image

Lower Hose

2.0L, main radiator. Primary Radiator. 530i xDrive.
Backordered

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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.