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Thread: m10 motor rebuild

  1. #1
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    Dec 2005
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    m10 motor rebuild

    rebuild m10 motor out of a e21 318i just want to make sure there fuel injected ?

  2. #2
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    mechanically fuel injected not electronic.

  3. #3
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    so does it have a carb or not as well i havent really looked at it

  4. #4
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    Jun 2006
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    It is injected therefore it has no carburettor.

  5. #5
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    Melbourne
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    Mechanical fuel injection.

    It works on pressure, unlike EFI.

    It's K-jet and has a fuel distributor. (Mech inj was popular in the 80's for BMW, Porsche, Mercedes, VW and Audi).

    You're better off getting a head from an M10 E30 and going from there. Try finding a 2.0l M10 bottom end too.

    Then let it rip. Check out racetep.com for info on rebuilds.
    Google K-jet for E21 injection info.
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  6. #6
    Join Date
    Sep 2005
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    geelong, the ghetto
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    few guys in the states running M10 K-Jet turbo's with a decent result
    Quote Originally Posted by ADJ
    This is off topic even for off topic.

  7. #7
    Join Date
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    Melbourne
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    K-jet is from what i hear impossible to tune. I dropped the k-jet and now have twin weber 45s. Much easier to tune but fuel economy goes down hill.

    Good luck with the rebuild mate, cheers

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  8. #8
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    Sep 2005
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    Brisbane, Queensland, Australia, Australia
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    If u get a head from e30 make sure its from late model, as i have a 83 318 and its k-jet as well. I have not been able to get this car started, it only sprays fuel after the key is back in the on position, wont while cranking, so wont start. Therefore i say that they are they biggest pile of crap. If you want injection go for a injected head (they injector holes are in the manifold so you'll need that too, where as k-jet hav in head) and put MS on it. Or better yet get a 6.
    Second hand/Skid tyres availble
    Want to sharpen your e30's steering? Pm me for a CNC'd steering coupler!
    SilverBullet

  9. #9
    Join Date
    Nov 2007
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    W.A perth
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    i have m10 2.0L bottom end
    crank con rods high comp pistons 1mm oversize
    will stroke 1.8 to 2.15L
    $500
    can send photos if wanted
    i,m in PERTH
    0414066155

  10. #10
    Join Date
    May 2007
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    NOR Perth, Western Australia.
    Posts
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    Quote Originally Posted by 2doorbeamer
    i have m10 2.0L bottom end
    crank con rods high comp pistons 1mm oversize
    will stroke 1.8 to 2.15L
    $500
    can send photos if wanted
    i,m in PERTH
    0414066155
    If the thread starter doesn't want this, send me pics, I may be interested (assuming i get the e30 318i im looking at, and have money left over).

    Edit: Just checked the phone numbers, my initial thoughts were correct, this is the same one I saw in the quokka a few hours before I posted lol.
    Last edited by s2k12; 21-02-2008 at 04:27 AM.
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  11. #11
    Join Date
    Nov 2007
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    W.A perth
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    yes its in the quokka
    interested
    must sell taking up room in the house

    willing to do a trade
    after m40 radiator for E30 1989
    Last edited by 2doorbeamer; 21-02-2008 at 09:41 PM.

  12. #12
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    Nov 2007
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    W.A perth
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    still for sale

  13. #13
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    Nov 2007
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    W.A perth
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    Sold
    Thanks

  14. #14
    Join Date
    Dec 2007
    Location
    brisbane
    Posts
    289
    k-jet is easy to tune, whether it stays in tune is another matter, every 10k service put it on a co metre and adjust the allen key. nothing simpler. much simpler than carbs.

    the only problem is cold starts if your warm up reg is faulty or dirty. these are adjustable, just a pain in the ass.

    i worked on primarily k-jet for 4 years. no "real' issues.

    marty

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