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zitronensäurecitric

  1. J

    Cooling System clean with Zitronensäure(Citric acid)? HOW TO USE IT?

    I have an inappropriate coolant inside the car and i want to change it with a 325.0 one but first i think it will be good to clean the system. I bought some Zitronensäure (CITRIC ACID) from MB Dealership but i don't know how to use it, mix it, pour it etc... 1)Can someone who did this, write me...
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