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Thread: Grounding wire on a spark plug

  1. #11
    Join Date
    May 2006
    Location
    Antwerp, Belgium
    Posts
    552

    Default

    Quote Originally Posted by Evil525iSE
    I have 2 straps, 525i 24v M50

    If you want, I could take some pics and post up where they are?
    Yes please .

    I have two but I'm not sure if they're on 3 and 6. Then again, I have a crappy idle.
    2008 audi A3 1.9tdi
    (former 1991 520i LPG)

  2. #12
    Join Date
    Aug 2005
    Posts
    593

    Default

    well, if you already have one then yes. otherwise do not bother taking off the cover. It seems to me that one strap should be enough. Please correct me if I am wrong.
    1994 520i with M50 engine, manual transmission and air conditioner.
    VIN: GG45422

  3. #13
    Join Date
    Jan 2004
    Posts
    4,150

    Default This may help

    .
    Attached Images Attached Images  


  4. #14
    Join Date
    Aug 2005
    Posts
    593

    Default

    there is something written about the siemens ms40 DME. thats I believe what is installed in my car. where that resistance is located, within the DME box?
    and also it states only ignition coil from "may & chrite" can be used. mine are brembi. is it interchangable with Bosch?
    1994 520i with M50 engine, manual transmission and air conditioner.
    VIN: GG45422

  5. #15
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,843

    Default

    use the same brand wires with the coils, not brembi coils and bosch wires etc...
    Quote Originally Posted by t_marat
    there is something written about the siemens ms40 DME. thats I believe what is installed in my car. where that resistance is located, within the DME box?
    and also it states only ignition coil from "may & chrite" can be used. mine are brembi. is it interchangable with Bosch?
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  6. #16
    Join Date
    Aug 2005
    Posts
    593

    Default

    Quote Originally Posted by 632 Regal
    use the same brand wires with the coils, not brembi coils and bosch wires etc...
    Never ever heard of a "may & christe" brand coil.
    1994 520i with M50 engine, manual transmission and air conditioner.
    VIN: GG45422

  7. #17
    Join Date
    Feb 2004
    Location
    Connecticut
    Posts
    446

    Default

    According to the ETK the M50 engines after 5/93 had one ground strap, before that date 2. My car was built 6/95 & only has one.
    90 535im
    02 R1100S, 87 R100S
    76 R90/S,73 R75/5
    Alfa Romeos- 65 Giulia Spider Veloce
    & 66 Duetto 1600 Spider

  8. #18
    Join Date
    Aug 2005
    Posts
    593

    Default

    Quote Originally Posted by John B.
    According to the ETK the M50 engines after 5/93 had one ground strap, before that date 2. My car was built 6/95 & only has one.
    Good, cleared one question out of my mind
    1994 520i with M50 engine, manual transmission and air conditioner.
    VIN: GG45422

  9. #19
    Join Date
    Jan 2004
    Posts
    4,150

    Default John, just out of curiosity how did you

    find that info in the etk, I'm not able to locate it.



    Quote Originally Posted by John B.
    According to the ETK the M50 engines after 5/93 had one ground strap, before that date 2. My car was built 6/95 & only has one.


  10. #20
    Join Date
    Feb 2004
    Location
    Connecticut
    Posts
    446

    Default

    Maybe I got it wrong but if you open the parts page showing the valve cover, ect for my 95 525i Touring it shows a ground strap there with the info I gave. If I open the page showing the coil & assorted parts & click on the only item that could be a ground strap it says its not used on my vehicle. So I assumed the part #12 42 1 437 633 is the ground strap we are talking about & the info given would explain why some cars have 2 & others have 1.
    90 535im
    02 R1100S, 87 R100S
    76 R90/S,73 R75/5
    Alfa Romeos- 65 Giulia Spider Veloce
    & 66 Duetto 1600 Spider

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