2002 E46 320d - HELP, runs better with MAP sensor disconnected! - Page 4

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Thread: 2002 E46 320d - HELP, runs better with MAP sensor disconnected!

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  1.  
    #31
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    ive had some success with a hand held blow torch
    they only get upto about 1200 degrees i think,,so no bolts will be glowing,but worth 20
    if not get it to a fast fit centre and ask them to crack the nuts (if it drives)
    good luck
     
     

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    brookscbr (25-06-2011),thegentleway (26-03-2011)

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  4. finally undid the two nuts holding the cat to the turbo... 
    #32
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    Quote Originally Posted by teddybare View Post
    hiya
    memories of me doing my de-cat lying on my back with axle stands the only advise i can give is i used a curved shaped ring spanner, advise from stan who makes the e46 decats .. i thought i was about to break my hand or the spanner but it worked ,still little room to turn mind, talk about patience
    Quote Originally Posted by honblade884 View Post
    ive had some success with a hand held blow torch
    they only get upto about 1200 degrees i think,,so no bolts will be glowing,but worth 20
    if not get it to a fast fit centre and ask them to crack the nuts (if it drives)
    good luck
    Thanks for your advice teddybare + honblade884.

    After leaving it over night soaking in WD40 and whacking the nuts a few times with a hammer I managed to get the nuts off but I can't move the cat out of the way debating whether to take the whole exhaust off or 'just' undoing the two nuts in the middle, they look pretty rusty and I didn't get replacement nuts...
     
     

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    #33
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    defo get replacement nuts..its just so dam tight for space in there, one day if you decide to de-cat you will be happy to take the turbo off with all the room..only jokin
     
     

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  7. whole exhaust off, just three bolts to go 
    #34
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    Quote Originally Posted by teddybare View Post
    defo get replacement nuts..its just so dam tight for space in there, one day if you decide to de-cat you will be happy to take the turbo off with all the room..only jokin
    Thanks teddybare, I've got replacement nuts for the two that attach the cat to the turbo. I just don't have the three for splitting the exhaust in half, so I just took the whole exhaust off

    I'm seriously considering a de-cat, I don't think I'll be able to cram the cat back in there. Is it worth the money?

    Now there's 'just' the three bolts (female torx I think ) holding the turbo in place (you access them through the air filter housing), I can finally see light at the end of the tunnel I'm soaking them in WD40 now and looking for the right tool to attack them...
     
     

  8. Update 
    #35
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    I finally got the turbocharger off, as correctly suspected by TheEnd, the vanes were stuck. I prised it open. To start with I couldn't move a single one so I cleaned them and they all start moving. Unfortunately two of them are damaged they're bent and are still quite hard to move

    I took some pictures:

    You can see the ones at the 7 and 8 o clock positions are bent:



    And from another angle



    Is it possible to buy just the doughnut with the vanes on?

    Cheers,

    Tom
     
     

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    #36
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    Quote Originally Posted by thegentleway View Post
    I finally got the turbocharger off, as correctly suspected by TheEnd, the vanes were stuck. I prised it open. To start with I couldn't move a single one so I cleaned them and they all start moving. Unfortunately two of them are damaged they're bent and are still quite hard to move

    Is it possible to buy just the doughnut with the vanes on?

    Cheers,

    Tom
    Can only suggest scrappers or ebay Tom, Quarry Motors would be my first port of call, give them a bell and mention Bimmerforums and they'll give you a forum discount

    Have you made a decision regarding the decat? Oh and thanks for the pics of the twisted vanes, never seen anything like that before!!!

     
     

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  12.  
    #37
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    Well done for doing all this, and posting the pictures

    Strange how they have bent, and strange they got stuck to start with

    Has it been stood for a while and rust set in jamming it up? Or just the carbon jamming it?

    Good luck freeing them up more? or finding a replacement.
     
     

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    #38
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    4 o'clock doesn't appear to be in sync with the rest either for some reason.
     
     

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    #39
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    Can you post a picture of the reversing side please thegentleway just intrested to see how its assembled
     
     

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    #40
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    Quote Originally Posted by thegentleway View Post
    Is it possible to buy just the doughnut with the vanes on?
    Any use Tom? http://cgi.ebay.co.uk/BMW-320-D-DIES...#ht_525wt_1139
     
     

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