OEM BMW Cooling Systems Online

16121180402 - : Filler Neck for BMW Image

Filler Neck

Convert old style,.
$42.80
MSRP $53.50
Save $10.70
20% Off
16111183331 - : Fuel Tank Filler Neck for BMW Image

Fuel Tank Filler Neck

$131.50
MSRP $164.37
Save $32.87
20% Off
16111182831 - : Fuel Tank Filler Neck for BMW Image

Fuel Tank Filler Neck

Convert new style,.
$83.20
MSRP $104.00
Save $20.80
20% Off
11617848447 - : Tube for BMW Image

Tube

3.0L, with M4. Without hybrid, with M3.
$61.66
MSRP $77.07
Save $15.41
20% Off
51752990839 - : Seal Strip for BMW Image

Seal Strip

$26.95
MSRP $33.69
Save $6.74
20% Off
64119229486 - : Heater Core for BMW Image

Heater Core

$154.53
MSRP $193.16
Save $38.63
20% Off
64119297754 - : Heater Core for BMW Image

Heater Core

I3. Without range extender. I3s. X2. X1. M235i xDrive Gran Coupe. 228i Gran Coupe.
$158.07
MSRP $197.59
Save $39.52
20% Off
64111384725 - : Heater Core for BMW Image

Heater Core

5 series. Without auto temp. 525. Valeo. Without auto temp. 528, 535, M5.
Backordered
64118351171 - : Heater Core for BMW Image

Heater Core

From 11/90. 5 series. With auto temp. 530, 540.
$360.62
MSRP $450.78
Save $90.16
20% Off
64119128953 - : Heater Core for BMW Image

Heater Core

3 series. Coupe & convertible, valeo. 128i, 135i. With atc. X3. X1. X4. Sedan & wagon, valeo.
$232.30
MSRP $290.38
Save $58.08
20% Off
11128638196 - : Sight Shield for BMW Image

Sight Shield

Sedan/wagon, without M3, 2.0L turbo.
$38.61
MSRP $48.26
Save $9.65
20% Off
64116933922 - : Heater Core for BMW Image

Heater Core

All models. 5 series. Without gt. 650i. M6. 645Ci.
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.