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E46 M3 Starting to rust

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B _Tank88 View Drop Down
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    Posted: 08 Jan 2018 at 10:35am
Hi all,

I'm after some cost effective rust treatment advice. I bought the car when rust spots were already present, one of the front wings has started bubbling, there are a couple of spots on the outside of one rear arch, and a fair bit of rust on the other arch on the inside just above the side skirt.

Mechanically I'm competent but have no experience dealing with rust. I garage the car and only take it out in good weather so I don't need a complete weld in fix as I'm sure I can maintain it but a more cost effective way.

Recommendations of any body shops welcome around the midlands area also and any DIY solutions welcome.
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rpennington View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rpennington Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jan 2018 at 1:45pm
hi.
When the rust worms start to eat away at the wings / arches the only way is cutting it out / replacing panels. rear arches will have probably gone rusty behind the side skirt. 
With rear arches is to clean the back of the arch lip out of all the mud/grime let it dry out & then you could try a rust treatment to help slow it down from spreading but with rust it is very difficult to stop once it starts.
They are common places to rust on E46's

regards
rich
2011-E90 325d M Sport
1999-E46 323i-sold
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