bmw e36 coupe rusted rear arches- what now?

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  1. bmw e36 coupe rusted rear arches- what now? 
    #1
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    Quick question really as if people haven't already guessed by now my rear arches are at the end of their life really and seeing as I'm hoping to respray it soon I have a few choices really what to do.

    A local stainless steel co cuts them out and makes me new ones

    Buy replacement panels but expensive by the time you redo it all

    Buy aftermarket bodykit arches and cover it or replace originals if needed

    Rub it down as much as possible and just spray it and be done with it

    Every mod or time I wash the car its the rears my eyes get drawn to all the time and let's the car down so if anyone has replaced,fixed etc theirs how much and what did they do?

    Money is very tight also which factors into all of this


    Pics would be really helpfull too if you have fixed them yourself
     
     

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    #2
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    It's likely that if you do it yourself the rust will eventually come through again. Trying to blend in rattle can paint is hit and miss as well especially if you have metallic paint or the paint has faded over the years. If money is tight though you may not have any other option. Getting a pro to do it will be quite expensive as I'm sure you are aware.
     
     

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    Treated it before and went well even with a rattle can until the day after when I did the laquer and that night it dropped to minus 6 and the paint reacted with a teardrop effect.
    Now the rust one side is def coming back though especially drivers side so need to sort it

    Shame really as the car comes up lovely when clean but the rear arches let it down and I'm sure a lot of e36 owners say the same
     
     

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    I know where you're coming from mate. Had 5 rust spots on mine which I sorted out but 3 have come back again. My next BM I'll make sure it hasn't a spot of rust anywhere on the bodywork.
     
     

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    Mate, the only thing you can do with these rear arches, if you want a lasting repair, is to have them cut out and repaired. If you are keeping the car and don't want the rust to spread anywhere structural then unfortunately new arches are the only optioni
     
     

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    i have just bought 2 new rear arches ,so to cut out the ones on my car and have a mate weld them back in for me.got them from ebay,there not oem,but they are fine,i will be putting how it goes on my project thread over the next few weeks.. if you have not done them by then take a look. will have pics of progress.
    [/SIGPIC][/SIGPIC]
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    Quote Originally Posted by jjbbuzz View Post
    i have just bought 2 new rear arches ,so to cut out the ones on my car and have a mate weld them back in for me.got them from ebay,there not oem,but they are fine,i will be putting how it goes on my project thread over the next few weeks.. if you have not done them by then take a look. will have pics of progress.
    cheers buddy
     
     

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    I was going to do this in the past with my mk6 escort, but my mate who can weld refused to do it cause it was a rusty old ford with a shot engine and would be a waste of money : to him
     
     

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    It depends how badly they've rusted and how much metal you have to cut out to remove the rot.
    As long as you're not cutting out huge, hard to replicate/shaped panels, then you should be able to cut out simple templates to weld back in. If you're taking off a huge section however, then as said, get some replacement arch panels and weld them in. The trouble with pattern parts is they will need some fettling to get to fit properly and they will also be made of a thinner steel so prep is key! Weld through primer on the reverse side and plenty of cavity wax afterwards etc
    http://www.bimmerforums.co.uk/forum/image.php?type=sigpic&userid=25535&dateline=129538  0035
     
     

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    Quote Originally Posted by Sphinx View Post
    It depends how badly they've rusted and how much metal you have to cut out to remove the rot.
    As long as you're not cutting out huge, hard to replicate/shaped panels, then you should be able to cut out simple templates to weld back in. If you're taking off a huge section however, then as said, get some replacement arch panels and weld them in. The trouble with pattern parts is they will need some fettling to get to fit properly and they will also be made of a thinner steel so prep is key! Weld through primer on the reverse side and plenty of cavity wax afterwards etc
    hey mate, what way would you think is the best way for it to be welded? but up 2 pieces flush?or overlapped and welded?
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