For some time when I first got my 05 X3 soon after ownership [emoji360]there were damp spots[emoji98] of what turned out to be coolant under the car. I put up with it for a while. Well, when the adding of coolant became too frequent and the low coolant light appeared l began investigating[emoji1992]. The tank was not damaged none. Turns out I read an article (I was new to bmw) that indicated that sometimes the problem was a simple worn -O- ring... sure enough that was the case for me then[emoji313].

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