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  1. Cooling system maintenance-needed yet??

    General E46 Forum
    My 330 has about 26k on it, and is 2 years old.* I live in the panhandle of Florida, and it's very HOT. * I'm wondering if I should flush out my cooling system, just drain the radiator and refill, or do nothing.* I was thinking about going with 25% glycol/74% water/WATER WETTER.* I want the...