It definitely wouldn't hurt to swap them out. They are pretty cheap too. It would be best to refresh the whole cooling system and know that everything is good but if you don't have a whole lot of cash to spend and the coolant is coming out anyway...why not? __________________ ~Dave~
98 328ti Morea Grun slicktop
11 128i space gray slicktop
13 JGC WK2 Deep Cherry
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