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Thread: One cylinder not working

  1. #1
    Join Date
    Aug 2005
    Posts
    593

    Default One cylinder not working

    I have been posting about very rough idle (one cylinder not working) while starting from cold in the morning. I changed the plugs, put Beru (back).

    What I noticed today is that starting from cold the idle was rough (one cylinder not working, as nearly always). But after I turned off the ignition and restarted the engine (still cold), it was smooth! Coincedence?
    1994 520i with M50 engine, manual transmission and air conditioner.
    VIN: GG45422

  2. #2
    Join Date
    Jun 2005
    Location
    Cleveland, OH
    Posts
    1,279

    Default

    Quote Originally Posted by t_marat
    I have been posting about very rough idle (one cylinder not working) while starting from cold in the morning. I changed the plugs, put Beru (back).

    What I noticed today is that starting from cold the idle was rough (one cylinder not working, as nearly always). But after I turned off the ignition and restarted the engine (still cold), it was smooth! Coincedence?
    Did you reset the computer??? shogun reset works wonders
    If it cannot be fixed by the dremel or ducktape.. get out the sledge...
    --------------------------------------------------------------------
    I miss my e34

  3. #3
    Join Date
    Jan 2004
    Location
    Boston & Attleboro MA
    Posts
    727

    Default

    You forgo to include da pic



    Quote Originally Posted by dacoyote
    Did you reset the computer??? shogun reset works wonders
    Current
    2008 M5 6 Spd
    2000 Z3 2.8 5 Spd MSport
    2012 X5 35d Sport
    1995 540i 6 Spd
    1992 535i 5 Spd

    Former
    1995 530iA
    1986 635CSI 5 Spd
    2011 X3 2.8 MSport

  4. #4
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,843

    Default

    how about the wires/cap/rotor? you ever replace the injectors? Check valve lash?
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  5. #5
    Join Date
    Jun 2005
    Location
    Cleveland, OH
    Posts
    1,279

    Default

    Quote Originally Posted by DaCan23
    You forgo to include da pic

    darn...... can I leach if off the link.... or I can host it out at mye34.org
    If it cannot be fixed by the dremel or ducktape.. get out the sledge...
    --------------------------------------------------------------------
    I miss my e34

  6. #6
    Join Date
    Jan 2004
    Location
    Boston & Attleboro MA
    Posts
    727

    Default

    u can use my url I dont care....

    Quote Originally Posted by dacoyote
    darn...... can I leach if off the link.... or I can host it out at mye34.org
    Current
    2008 M5 6 Spd
    2000 Z3 2.8 5 Spd MSport
    2012 X5 35d Sport
    1995 540i 6 Spd
    1992 535i 5 Spd

    Former
    1995 530iA
    1986 635CSI 5 Spd
    2011 X3 2.8 MSport

  7. #7
    Join Date
    Aug 2005
    Posts
    593

    Default

    Quote Originally Posted by 632 Regal
    how about the wires/cap/rotor? you ever replace the injectors? Check valve lash?
    nope. its too cold in here to do anything. and I would not dare to took out the injectors, not sure I will be able to put them back
    At least with my current level of knowledge in E34s.

    the comp should have reset. because I took out the battery for more than 24 hours once (last week, when there was -30C).
    1994 520i with M50 engine, manual transmission and air conditioner.
    VIN: GG45422

  8. #8
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,843

    Default

    Dude you really should have a fire or heater or something before yout fingers turn black and fall off
    Quote Originally Posted by t_marat
    its too cold in here to do anything. (last week, when there was -30C).
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  9. #9
    Join Date
    Mar 2004
    Location
    Phoenix, AZ
    Posts
    285

    Default Similar thing happened to me but then,

    I later discovered that I had two broken plastic fan blades, right next to each other. Amazing how rough that made the engine run.

    Check the obvious, simple things first!!

  10. #10
    Join Date
    Nov 2004
    Location
    Gateshead,UK
    Posts
    926

    Default

    I got one plastic fan blade missing. It sounds great - I have no intention to fix it! Everyone should remove one......

    Cheers,

    Shaun

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