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2002-2005 BMW 745i Expansion Tank - Genuine W0133-1664462
OES Genuine's 2002-2005 BMW 745i Expansion Tank is a newly manufactured product that replaces one that has worn over time or has been damaged by an impact. Fitting all series models, the unit stores excess coolant forced out of the radiator as the car runs, instead of the fluid leaking out of the car. The new expansion tank optimizes the containment of this coolant and the return of it to the radiator once the system cools down. Each purchase includes one tank, providing an inexpensive replacement to a potentially serious automotive problem.
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