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CSF Radiator | 7046

BMW 335i, Z4, 335i xDrive, 135i, 335xi, 335is, 135is
$549.00
Reg
$571.88
List
$609.00
In Stock Status
In Stock Information Icon
Leaves warehouse within 1-2 business days.
  • Don't forget a bottle of Liqui Moly Radiator Flush!

    This 300ml can of Liqui Moly Radiator Flush is sufficient to clean up to 10 liters/2.5 gallons of coolant.

    2051 Liqui Moly Radiator Flush; 300ml Can
    $9.69
    Reg
    $10.09
    List
    $10.98
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Make Sure It Fits

P/N: 7046 CSF

Radiators help regulate your BMW engine's temperature and keep it within its optimal operating range. It is made up of two tanks which can be metal or plastic, connected by metal tubes with fins attached to direct air across the tubes called a core. Coolant circulating within the engine absorbs the engine's heat, bringing down the engine's temperature. This hot coolant then flows into one of the radiator's tanks. It is pushed through the core of the radiator, where heat from the coolant is passed to the air flowing through it, reducing the temperature of the coolant before entering back into the engine from the opposite radiator tank.

Most radiators are located at the front of your BMW behind the grille. The radiator's position makes the radiator core susceptible to damage from the debris from the road. Debris can also clog up the radiator core tubes, restricting the coolant flow.

Radiators should be replaced if leaking, if the core tubes are clogged internally, or if the external core fins are clogged with debris. Due to the ease of the radiator core air fins being bent, it is not recommended to clean out the fins as it often causes the fins to bend and restrict airflow.

Replacing the radiator in your BMW is usually a straightforward process. However, it often requires the removal of the radiator hoses, engine cooling fans, and radiator fan shroud to access the radiator mounts and remove the radiator. Replacement of the radiator hoses and thermostat is recommended with the radiator to ensure proper cooling system function. In addition, bleeding of the cooling system to remove any trapped air is vital for proper coolant flow and cooling system operating pressure and function.

View more BMW Radiators.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Frequently Viewed Together

We found 5 additional part(s) that are frequently viewed together.

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What This CSF Radiator Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

BMW
11-13 - 135i
All aluminum construction with a higher capacity 2-row core. Transmission Control Type: Automatic Dual Clutch
08-10 - 135i
All aluminum construction with a higher capacity 2-row core. Transmission Control Type: Automatic
13-13 - 135is
All aluminum construction with a higher capacity 2-row core. Transmission Control Type: Automatic Dual Clutch
12-13 - 335i F3X
All aluminum construction with a higher capacity 2-row core. Body Type: Convertible; Transmission Control Type: Automatic
All aluminum construction with a higher capacity 2-row core. Body Type: Coupe; Transmission Control Type: Automatic
07-11 - 335i
All aluminum construction with a higher capacity 2-row core. Transmission Control Type: Automatic
13-13 - 335i xDrive F3X
All aluminum construction with a higher capacity 2-row core. Body Type: Coupe; Transmission Control Type: Automatic
09-12 - 335i xDrive F3X
All aluminum construction with a higher capacity 2-row core. Transmission Control Type: Automatic
11-13 - 335is E9X
All aluminum construction with a higher capacity 2-row core. Transmission Control Type: Automatic Dual Clutch
07-08 - 335xi
All aluminum construction with a higher capacity 2-row core. Transmission Control Type: Automatic
11-16 - Z4 sDrive35is
All aluminum construction with a higher capacity 2-row core.
09-16 - Z4 sDrive35i
All aluminum construction with a higher capacity 2-row core. Transmission Control Type: Automatic Dual Clutch