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The BMW Range
3 Series
E46
radiator water always reduced (e46 318i)
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<blockquote data-quote="astroboy" data-source="post: 380856" data-attributes="member: 4527"><p>The whitish crystalised substance is Almumina or commonly known as Aluminum Oxide. It's coming from oxidation of aluminum. What coolant are u using? I know there's 2 types of coolant available in the market, one is to protect copper radiator and the other is to protect aluminum radiator. BMW coolant should belong to the latter category.</p><p></p><p>Your 0.5L/week is actually coming from this:</p><p><img src="http://i122.photobucket.com/albums/o271/pbjy/E46%20Radiator/P1040103.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>When did you last change your water hose?</p><p></p><p>U sure your radiator has leakages? I am suspecting you replace radiator just because of a leaky hose. Check the above hose, you will see the slight rust color water stain which is not seen anywhere near your radiator. If your radiator has leaks, it should carry similar stain because its the same source of water. Your radiator looks fine to me.</p></blockquote><p></p>
[QUOTE="astroboy, post: 380856, member: 4527"] The whitish crystalised substance is Almumina or commonly known as Aluminum Oxide. It's coming from oxidation of aluminum. What coolant are u using? I know there's 2 types of coolant available in the market, one is to protect copper radiator and the other is to protect aluminum radiator. BMW coolant should belong to the latter category. Your 0.5L/week is actually coming from this: [IMG]http://i122.photobucket.com/albums/o271/pbjy/E46%20Radiator/P1040103.jpg[/IMG] When did you last change your water hose? U sure your radiator has leakages? I am suspecting you replace radiator just because of a leaky hose. Check the above hose, you will see the slight rust color water stain which is not seen anywhere near your radiator. If your radiator has leaks, it should carry similar stain because its the same source of water. Your radiator looks fine to me. [/QUOTE]
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radiator water always reduced (e46 318i)
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