**Karbonius CSL Airbox Complete Parts List**

Discussion in 'E46 M3 (2001-2006)' started by Stu78, Nov 19, 2015.

  1. 6 May 2018 at 9:13 PM #221
    Adamantium

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    It’s an oem csl ecu. Doesn’t need an h bridge surely?
     
  2. 6 May 2018 at 9:16 PM #222
    cossie1

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    If it's a genuine csl ecu then it will already have an h-bridge.

    However it is worth checking, as you wouldn't be the first person on this board (or even the 2nd) that has bought a csl ecu, that turned out not to be a csl ecu.
     
  3. 6 May 2018 at 9:27 PM #223
    Adamantium

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    Fair play but it came from my friends csl along with his lock set his keys his Airbox cylinder head, engine loom and map rail.

    I’ll take it out of the car. How do I tell it’s a csl ecu?
     
  4. 6 May 2018 at 9:29 PM #224
    cossie1

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    Then it should all be working.

    Usually the only things that stop it working, are the actuator the flap giving up, but you have tested that, and being wired backwards (open = closed and closed = open), but if your using the original csl loom, then that shouldn't be possible.
     
  5. 6 May 2018 at 9:39 PM #225
    Adamantium

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    This is where I am unsure.

    I have what looks like a wired flap, FPS, map sensor.

    The map sensor must be working because it’s running and not alpha n.

    Are all the above components on the same loom? Is it a self contained loom that just plugs in at both ends or if lifting from a csl would they have to splice in somewhere at the ecu end to avoid swapping out the chassis loom?

    I’m assuming it’s self contained otherwise it would make engine swaps difficult, but then I may have misunderstood and this part of the loom stay in the car and simply unplugs from the relevant sensors, in which case it have been spliced in wrongly.
     
  6. 6 May 2018 at 9:42 PM #226
    cossie1

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    I don't know the answer to that i'm afraid.

    But it should be simple enough to test it, using the wiring info posted below

    [​IMG]

    Doing a continuity test with a multi-meter should be enough to check.
     
    Last edited: May 6, 2018
  7. 6 May 2018 at 9:56 PM #227
    Adamantium

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    That’s what I was planning. Will give it a go.
     
  8. 6 May 2018 at 9:56 PM #228
    Adamantium

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    I’m thinking that since the map and iat work, it shouldn’t be an issue.
     
  9. 6 May 2018 at 9:58 PM #229
    cossie1

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    You might be able to test it with DIS, but as i've never played with an m3 that has the csl flap fitted, I can't be sure.
     
  10. 7 May 2018 at 10:55 AM #230
    Adamantium

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    Ecu looks genuine:

    [​IMG]

    Looks to me like flap control wires are missing:

    [​IMG]

    Excuse fingernails - guitar!

    Position sensor wires are there, checked continuity and looks to be set up as expected. MAP and IAT definitely working - so issue is lack of routing of wires into 60002 connector - which looks to be a different loom coming from the engine.

    I now need to trace the wires from the flap plug - any idea where they go as standard? seem to just disappear under the airbox.
     
    Last edited: May 7, 2018
  11. 7 May 2018 at 9:40 PM #231
    M3CARBON1

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    You need to make a custom loom for the flap
     
  12. 7 May 2018 at 9:55 PM #232
    Adamantium

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    It’s just the flap actuator that needs wires connecting correctly.

    The plug and wires are there, feels silly adding in another two. Think I’m going to have to chase them.
     
  13. 8 May 2018 at 2:06 PM #233
    Adamantium

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    Just ordered the wires from BMW for the 60002 multiplug - am I right in thinking they come with the pins already connected?
     
  14. 8 May 2018 at 2:30 PM #234
    M3CARBON1

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    I dont think they do but you just slide them in :thumbsup:
     
  15. 8 May 2018 at 3:46 PM #235
    cossie1

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    Yes they will come with the pin and a short length of wire connected.
     
  16. 8 May 2018 at 4:55 PM #236
    Adamantium

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    Thanks Russ.
     
  17. 12 May 2018 at 12:31 PM #237
    lee gray

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    Whats everyones map sensor running at? Im having a few issues with my car put in on a computer and did the map test and it showed it was sat at -15 at idle the car can addapt to run with the map sensor between -20 to +20 just woundering if mine is starting to go faulty and some times drops below -20
     
  18. 15 May 2018 at 10:41 PM #238
    Adamantium

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  19. 15 May 2018 at 10:46 PM #239
    cossie1

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    Glad you got it all sorted :)
     
  20. 27 May 2018 at 6:17 PM #240
    M3CARBON1

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    Indeed mate well done
     

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