OEM BMW Cooling Systems Online

34307840672 - : Flex Hose for BMW Image

Flex Hose

Z4. 3.2l. Right. From 3/06.
Backordered
17129894784 - : Connector Hose for BMW Image

Connector Hose

3.0L turbo, without hybrid, 2019-23, front. 3.0L twin turbo, primary, 2020-23. 3.0L turbo, main, 2019-22, front.
$96.25
MSRP $120.31
Save $24.06
20% Off
64539209718 - : Pressure Hose for BMW Image

Pressure Hose

535i, 535xi. 3.0L turbo, without hybrid. 535i GT, 535i GT xDrive.
$196.22
MSRP $245.27
Save $49.05
20% Off
34306851146 - : Brake Hose for BMW Image

Brake Hose

Rwd, with m, 2016-21. 3 series gt. Rwd, M3. 2 series. M4. 328i xDrive, 330i xDrive, with m sport brake. 335i xDrive, 340i xDrive. M2.
$62.91
MSRP $78.64
Save $15.73
20% Off
32411139448 - : Reservoir Hose for BMW Image

Reservoir Hose

525i without auto level, from 7/91.
Backordered
32411131524 - : Return Hose for BMW Image

Return Hose

325 series, to 10/87. To Reservoir. 525i, all. 535i. 530i & 540i. 318i.
$50.86
MSRP $63.58
Save $12.72
20% Off
17127811127 - : Upper Hose for BMW Image

Upper Hose

328d xDrive.
$107.62
MSRP $134.53
Save $26.91
20% Off
61219350093 - : Vent Hose for BMW Image

Vent Hose

Conventional.
$12.86
MSRP $16.08
Save $3.22
20% Off
34306894451 - : Brake Hose for BMW Image

Brake Hose

X1. Awd, without m model. X2.
$69.16
MSRP $86.45
Save $17.29
20% Off
11537834055 - : Upper Hose for BMW Image

Upper Hose

5.0L. M6. Cylinders 6-10. 5 series. M5.
$44.42
MSRP $55.53
Save $11.11
20% Off
64539218927 - : Suction Hose for BMW Image

Suction Hose

Without ac filler neck. Upper. 4.4L turbo, with M6. M5. Suction pipe. 4.4L turbo (s63t).
Backordered
11531309668 - : Lower Hose for BMW Image

Lower Hose

M3.
$11.75
MSRP $14.69
Save $2.94
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.