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  1. #1
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    Member No: 64997 kristofergregoire is an unknown quantity at this point kristofergregoire's Avatar
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    SURVEY: Most miles/yrs on factory radiator?

    Taking a survey, trying to get an idea of the average lifespan of the z3 cooling system.

    Im at: 1999 2.8 @ 97k - (live in florida) no cooling issues since new.

  2. #2
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    Member No: 127389 macc2440 is on a distinguished road macc2440's Avatar
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    2000 M coupe, 50k (location in Florida) I am in

    Boca Raton/Coral Springs

  3. #3
    dadmog
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    98 MZ3, 62k on original


  4. #4
    flukeCapeCod
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    Re: 98 MZ3, 62k on original

    Now I can't find it... maybe he said $250 just where was that so I can write it down and put it in my repair manual for future resources.

  5. #5
    flukeCapeCod
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    Re: (above post) radiators for $250..... where???


  6. #6
    dorkspeed
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    Re: (above post) radiators for $250..... where???

    Bavarian Auto has them for $250, there abouts. Also, Ireland Engineering has an all aluminum radiator for $300. does any one have any experience with this part?

    I, myself, just bought a '00 MZ3 Coupe and I'm wondering if I should do the whole cooling system right now, since I have to drive it from Up-state NY to California next week. It has 77,000 miles and a cooling flush / refill at 60,000. Any input? (I'm going to re-post this at the top.)

  7. #7
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    Member No: 143724 fmcfad01 is an unknown quantity at this point fmcfad01's Avatar
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    1999 MCoupe @89,500, all original

    Overhauling this winter though. Retrofitting S54 Oil Cooling system onto the S52

  8. #8
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    Member No: 132298 laserandy is an unknown quantity at this point laserandy's Avatar
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    115k, 2000 M Coupe, no issues, but

    seriously considering replacing the radiator and water pump early next year.

    AndrewAndrew Cole
    '00 M Coupe Black/Tan

  9. #9
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    Member No: 5361 mark7270 is an unknown quantity at this point mark7270's Avatar
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    135,000 miles


  10. #10
    flukeCapeCod
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    Re: 84,000 waterpump shaft wobble

    changed the waterpump at 84 thousand.... at that time I came on to this site and heard some people say they have gone a couple hundred thousand miles with these plastic components(other models) yet I hear too, that there is a greatpotential for a catastphic-breakdown by 150,000 miles...

    my deduction is this..... maybe there can be a catastrophic-breakdown if the plastic components see high temperatures a lot... but in the 2 years I've had this coupe it runs always below the midrange temp. So I believe I haven't created any reason for this plastic to get that brittle(enough to make it crack) so I am just running it as is I am now up to 116,000..

  11. #11
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    Member No: 110521 mindchimes is an unknown quantity at this point mindchimes's Avatar
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    82k on 2001 3.0L no issues w/ rad or wp but...

    heater core and thermostat at 60k

  12. #12
    flukeCapeCod
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    Re: Heater core,,, minor leak since 2005

    smell antifreeze when inside the car randomly, but driven it 2 years and only last week added a little over a pint of antifreeze to top it off.... but I know there's a problem brewing there..

  13. #13
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    107K 0n 2002 M-coupe....some issues

    Only neared the red mark when stopped for like 25 min in the middle of Aug on the Las Vegas strip....I guess any car would begin to overheat...

  14. #14
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    80k on 2000 MZ3 Coupe, no problems

    <table width="100%" cellspacing="0" cellpadding="2">
    <tr><td colspan="2"><hr size="1"></td></tr>
    <tr>
    <td align="left"><img src="http://members.nuvox.net/~on.ghollis/ghollisgf9.jpg" height="200" width="400"></td>
    <!--<td align="right" valign="center">
    <br><br><a href="http://www.woxy.com" target="_blank"><img src="http://www.woxy.com/media/site/mini_red_80x15.gif" width="80" height="15" border="0"></a>
    </td>-->
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    </table>

  15. #15
    Nathanielm
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    120k 99 2.8 in FL

    My radiator was just fine until my fan blew to pieces at a Sebring event this summer. It took out my radiator and power steering reservoir and blew apart with enough force to raise two thimble like dimples in my hood as well. Beware old plastic parts.

  16. #16
    L'Supreemo
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    Re: SURVEY: Most miles/yrs on factory radiator?

    92K on a 97 automatic, fan delete mod at 75K on original pump.
    Everything looks good, but I'll soon have spares on hand anyway.

  17. #17
    L'Supreemo
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    Sorry, that's 92K on A/T, fan delete mod at 75K


  18. #18
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    Member No: 15886 Y2KMcoupe is an unknown quantity at this point Y2KMcoupe's Avatar
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    '00 Z3M w/85K, orig radiator, but w.p. replaced


  19. #19
    sunny z(oo)m
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    2000 dakar MCoupe, 70K, all original cooling

    I replaced the w.p. on both previous 6 cylinders, but this one hasn't broken yet. I would buy the all-steel pump IF I were replacing, but instead I'll sell the car. It's time.

  20. #20
    Fluke/CapeCod
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    Re:135,000 on rad. but replaced W.P at 84,000

    did some research back some 3 years ago when I changed the waterpump online and somebody said they had at that time 184,000 on the radiator and they also said that its only when the radiator see's intensely high heat for long periods of time that you run into this catastrophic breakdown of the plastic(s)on these radiators ....

    I don't know how much to trust in that logic but it does make sense to me.... and to date I am with the stock radiator...

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