OEM BMW Cooling Systems Online

64111363032 - : Heater Core for BMW Image

Heater Core

Series 7. All models.
Backordered
51748738867 - : Air Duct for BMW Image

Air Duct

3.0L, all. 3.0L, without m tech pkg.
$75.08
MSRP $93.85
Save $18.77
20% Off
64118391362 - : Heater Core for BMW Image

Heater Core

Series 3. 318i, 325e. M3, 325. Plastic.
$344.98
MSRP $431.22
Save $86.24
20% Off
61311384739 - : Level Sensor for BMW Image

Level Sensor

Convert new style, 6 cylinder.
$74.14
MSRP $92.67
Save $18.53
20% Off
51647205933 - : Center Duct for BMW Image

Center Duct

With m model.
$286.04
MSRP $357.55
Save $71.51
20% Off
51745A35891 - : Air Duct for BMW Image

Air Duct

M340i, without m technology pkg.
$132.29
MSRP $165.36
Save $33.07
20% Off
17217844263 - : Trans Cooler Holder for BMW Image

Trans Cooler Holder

With m model, with auto trans. 4.4L turbo, with M6, automatic.
Backordered
17115A52B80 - : Lower Seal for BMW Image

Lower Seal

2024-26, primary. M35i xdrive, primary.
Backordered
51748081237 - : Upper Duct for BMW Image

Upper Duct

2023-25, without stop & go.
$75.08
MSRP $93.85
Save $18.77
20% Off
17129886947 - : Liquid Line for BMW Image

Liquid Line

Radiator, reservoir & pumps.
Backordered
51118497282 - : Upper Duct for BMW Image

Upper Duct

2022-25, M240i.
$132.29
MSRP $165.36
Save $33.07
20% Off
17128475149 - : Inlet Pipe for BMW Image

Inlet Pipe

Radiator, reservoir & pumps.
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.