The Best BMW Radiators

Radiators play a crucial role in keeping an engine cool by transferring heat from the engine to the air passing through it. Radiators have a complex system that includes several metal fins, several water channels or coolant passageways, and a fan to keep the airflow increasing its cooling efficiency.

The following signs of radiator failure often indicate a problem with the cooling system:

  • Overheating engine: One of the most common indicators of radiator failure is an overheating engine. When the engine gets too hot, the radiator may not be doing an adequate job of dissipating heat, causing the engine to overheat.
  • Low coolant levels: If you're noticing that you're always low on coolant or if you're having to constantly refill the coolant, it may be a sign that your radiator is failing.
  • Rust or corrosion: A radiator filled with rust, dirt, or debris does not work efficiently, and it can lead to overheating or a leak. The presence of rust or corrosion can be attributed to a failing radiator.
  • Leaks: Leaks in the radiator or cooling system can be a sign that the radiator is failing. If you notice a puddle of coolant under your car, it's crucial to take it to a mechanic to diagnose the issue immediately.
  • Cracks in the radiator: Cracks in the radiator can lead to leaks, which can ultimately lead to total failure of the cooling system.
  • Unusual smells: If youÕre detecting a strange smell, the coolant can be leaking from the radiator. Coolant smells sweet but if the radiator is failing, the smell can change over time.
  • Regular maintenance, inspection, and attention to these signs of radiator failure can prolong the life of your engine and help you avoid costly repairs. So can buying the right radiator parts. For you, that means shopping genuine BMW. We have everything you need in our online auto parts store, in stock, and priced far below the MSRP that your local dealer charges. Buy today and we'll ship your order right out!

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    Cap

    1984-87, 325. 1984-85, 318. 1987 325i. To 5/84.
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    MSRP $47.04
    Save $7.64
    16.2% Off
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    Drain Plug

    With M3. With 335d.
    $14.54
    MSRP $16.15
    Save $1.61
    10% Off
    17128088989 - : Upper Hose for BMW Image

    Upper Hose

    At wheel housing. M3. External. Auxiliary Radiator. Location-Wheel Arch. With M4, auxiliary. 3.0L twin-turbo, auxiliary.
    $80.86
    MSRP $109.60
    Save $28.74
    26.2% Off
    17125A0C5A3 - : Upper Hose for BMW Image

    Upper Hose

    X1. 2024-26, primary. Without m model, 2024-26. X2. M35i xdrive, primary. Xdrive 28i.
    $88.76
    MSRP $120.31
    Save $31.55
    26.2% Off
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    Heater Core

    $132.20
    MSRP $193.16
    Save $60.96
    31.6% Off
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    Lower Hose Bracket

    2.0L, auxiliary.
    $28.64
    MSRP $34.71
    Save $6.07
    17.5% Off
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    Upper Hose

    3.0L, radiator. Without hybrid. Primary radiator. 840i. 740i xDrive. 2020-23, inner radiator.
    $104.22
    MSRP $141.26
    Save $37.04
    26.2% Off
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    Heater Core

    I3. Without range extender. I3s. X2. X1. M235i xDrive Gran Coupe. 228i Gran Coupe.
    $135.23
    MSRP $197.59
    Save $62.36
    31.6% Off
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    Outer Hose

    2.0L, without xdrive 30ex, 2020-24. 2.0L, 2020-25.
    $88.76
    MSRP $120.31
    Save $31.55
    26.2% Off
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    Heater Core

    Sofica. 5 series. Without auto temp. 528, 535, M5.
    $268.67
    MSRP $318.93
    Save $50.26
    15.8% Off
    17127646703 - : Engine Coolant Hose for BMW Image

    Engine Coolant Hose

    Traction Motor Cooling. Thermostat To Radiator. Primary Radiator.
    $66.16
    MSRP $89.68
    Save $23.52
    26.2% Off
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    Connector Hose

    With m, m competition, auxiliary.
    $93.00
    MSRP $126.05
    Save $33.05
    26.2% Off

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