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Restoration of e21
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<blockquote data-quote="ichiwan2" data-source="post: 51576" data-attributes="member: 153"><p>There is some danger of making the rust problem worse by going to bare metal, particularly if the weather is humid. The longer it is left exposed, the greater the chances of the metal becoming oxidised. And rust is Fe2O3, if i remember my chemistry correctly. I think there is another chemical formula for iron oxide, can't remember what it is.</p><p></p><p>There is a zinc based primer that should help reduce the rust problem. Got this from another bimmer forum.</p></blockquote><p></p>
[QUOTE="ichiwan2, post: 51576, member: 153"] There is some danger of making the rust problem worse by going to bare metal, particularly if the weather is humid. The longer it is left exposed, the greater the chances of the metal becoming oxidised. And rust is Fe2O3, if i remember my chemistry correctly. I think there is another chemical formula for iron oxide, can't remember what it is. There is a zinc based primer that should help reduce the rust problem. Got this from another bimmer forum. [/QUOTE]
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