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  1. 2006 E46 318i - Coolant Concentration level

    General BMW Discussions
    Hey, Got a 2006 3 series M Sport Convertible - just wondering regarding coolant levels and the level of concentrate and the type of water. What happens if you put too much BMW Coolant in the car and would you dilute it with ordinary tap water or mineral water? Sorry for my ignorance! Thanks
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