OEM BMW Cooling Systems Online

51115A61D61 - : Air Duct for BMW Image

Air Duct

M50 xdrive, bumper cover & trim.
$36.34
MSRP $45.42
Save $9.08
20% Off
64116906270 - : Heater Core for BMW Image

Heater Core

Front unit. 760i, 760Li. 745i, 745Li. 750i, 750Li.
Backordered
51748059690 - : Auxiliary Cooler for BMW Image

Auxiliary Cooler

With M8, duct & guides.
$50.84
MSRP $63.55
Save $12.71
20% Off
11718574815 - : Egr Cooler for BMW Image

Egr Cooler

3.0L diesel, egr cooling, catalytic converter.
Backordered
17111712339 - : Drain Valve for BMW Image

Drain Valve

525i, 528i, 530i & 540i. M5.
$13.45
MSRP $16.81
Save $3.36
20% Off
64118385689 - : Heater Core for BMW Image

Heater Core

Without climate control. X5. Without atc. Exc.Automatic Temperature Controls.
$147.63
MSRP $184.54
Save $36.91
20% Off
51115A61D62 - : Air Duct for BMW Image

Air Duct

M50 xdrive, bumper cover & trim.
$34.58
MSRP $43.23
Save $8.65
20% Off
17119487033 - : Side Mount for BMW Image

Side Mount

2017-20. 2017-21, main. Without hybrid, without M3, 2016-18, main, manual trans. 2017-18, with hybrid, radiator & hoses. Sedan/wagon,...
$61.54
MSRP $76.92
Save $15.38
20% Off
51168213057 - : Mirror Inside for BMW Image

Mirror Inside

With electric. Z3, with radio remote. With infra-red remote.
Backordered
64118372523 - : Heater Core for BMW Image

Heater Core

Without ac. 5 series. Without auto temp. 525. Behr. To 11/90. Without auto temp. 528, 535, M5. 840Ci, 850Ci. 7 series. 740, 750.
$302.09
MSRP $377.61
Save $75.52
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.