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Thread: Z3M Coupe for trackday use

  1. #51
    Join Date
    Jul 2008
    Location
    Salem, Nh
    Posts
    1,657
    My Cars
    01 Z3M Coupe
    Great build, I'm in the process of doing the same on my Z3M coupe.
    Glad to see you're putting a real cage in, I could not help but notice the curves in the main front bars of what was in the car.
    poor cage.jpg

    They would have folded easily in a crash.
    Last edited by CMM3; 02-24-2017 at 03:38 PM.

  2. #52
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    Thank you for all your messages !
    Yes, security and staying alive are the most important things.

    I have two targets :
    Security (as my son is coming with often during trackdays)
    And meet the FFSA(French one) and FIA rules

    I'm Also trying to have an efficient but easy to pilot coupe.

    Thank you for reading !

  3. #53
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    My vintage car's club friends are working on a Formula 2 replica with V6 Dino Ferrari, very nice, isn't it ?




    More classical coupe sorry :
    5,4 kilos 12 pounds saves with 3 lexan rear windows (trunk one and 2 rear one)





  4. #54
    Join Date
    Nov 2005
    Location
    Finland
    Posts
    1,159
    My Cars
    Z3 Coupe individual
    Quote Originally Posted by BimmerBreaker View Post
    Is that the Hartge coupe? AFAIK they only produced one "5.0 coupe" (actually used a modified M62 not the M5's S62) and it was silver and completely intact a year or so ago when it was for sale.
    That has been in netherlands for ages and also for sale for ages. That car: http://jalopnik.com/for-51-600-this-...-th-1685182564

    Being that we have at least two S85B50 engined M Coupes, I would say that there is at least 5 other S62 engined coupes easily out there... But I dont think they were made by Hartge but someone individual later.
    Last edited by Remotion; 02-26-2017 at 01:04 PM.

    Z3 & E36 RamAir systems, send private message for more information.

  5. #55
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    Today, I worked on the rear axle.

    The weight is 37 kilos 82 pounds with screws and oil.



    The ratio is 4,67 :


    Some paint :


    On of my friend borrowed me this broken part from M3 E36 3liter, I'd like to use it to make a second "ears" for my rear axle. we'll see that point later.


    Better like this



    It was very very hard to mount the rear axle, because the Powerflex push it to the rear and it was so hard to put the 4 srews, some F..... BMW and Powerflex helped me a little !!



    4 and half hours later !



  6. #56
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    I mounted dashboard and the rear anti-roll bar





    FIA hook








    I started the motor !!! It worked very well even without intake manifold and water.
    warning is working but not turn signals, lights are ok not the high beam some work to do !

  7. #57
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    Slotted hole for my FIA " hook" I have stil some work to do on it to make it nicer, also special screw dzus for motorcycle (ebay)

    19 mm is ok, I tested with dzus 15 mm long it was too short.








  8. #58
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    I will try this :





    C'est la panique, plus de feux de route ni de croisement, pas de clignotants, pourquoi ?? Sans doute un mauvais coup de ceux qui ont m'ont fait l'arceau :suspect: :suspect: :suspect:
    You remeber no more stop light, I thought I made a mistake when I worked on the wires...
    My friend found the plug, it was hidden behind the dashboard ! Now it works !

    Another mistake, I'm so embarrased to tell you the truth !
    No mote light and turn signal, once again my friend (which is a BMW "M" specialist) laughed at me.
    Hey Gatouille just push the ignition button on !






    I tried to forget my shame while mounting both water and oil 's radiators





    Wire's light are in place





    Very happy to close this Pandora's box !


    Water cooling expansion tank had to be adapted because the roll cage.





    Many boxes on my table mean very much to do !

    You what ? I'm happy !

  9. #59
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    How to keep together the front bumper and the bonnet, before it was not easy to use and not reliable.














    Now it's ok !

  10. #60
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    Some black paint.



    Rear shock



    My tires are ready for 2017 !



    On my Lexan's windows I want the black part all arround it. I ask for a sticker'maker (who own a M3 E36 S50B32 for race!)
    He's got a file for M coupe !


    The file is not enough precise and unfortunately we can't use it, he gave me this to it myself,


  11. #61
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    Air for brakes, home made with part for....water-closed ! and parts of carbonfiber


















  12. #62
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    This was for door's electrical wires, now it is a little air vent for people inside the car !







    One door














    Everything is ok





  13. #63
    Join Date
    Jul 2005
    Location
    Temecula Ca.
    Posts
    4,489
    My Cars
    99 M Coupe LS Swap
    I like the vent. Not going to do shit, but funny. When you are cutting out the lexan for the windows, do a couple extra fronts and keep the protection covers on them. You will need to replace fairly often The sourcing and setup to cut is more effort than finding a good place to store extras. The bow in our front glass is enough to support 165MPH. Never been faster so can't tell you if a reinforcement bar is needed above that speed. My gut says no. Its pretty strong.
    Dan "PbFut" Rose

  14. #64
    Join Date
    Feb 2003
    Location
    SF Bay Area, CA
    Posts
    4,154
    My Cars
    BMWs: 1; MINIs: 1
    The vent might conceivably do something if there are no front wheel fender liners. But I think you want the fender liners. I postulate that they smooth out the aero under the bumper and around the front wheels. It makes it a little harder to do brake ducting but it's totally doable.
    I like the unicorns.
    '99 Z3 Coupe - Jet Black/Black (1-of-114)
    '99 M Coupe - Estoril Blue/Black (1-of-82)
    '03 540iT - Sterling Gray/Black (1-of-24)
    '16 Z4 sDrive35i - Estoril Blue/Walnut (1-of-8)

  15. #65
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    Thank you JoshS and PbFut

  16. #66
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    I decided to change the rod bearing shell, if you look on the Internet for M3 E36 E46 and even later, there are pages and pages
    about it !
    We can either consider that it is a weak point, or as I think of it, to consider that it is the maintenance running




    A special tool would be needed,

    Some S50B32's crankcase has got one drain plug some one them has got 2, mine has got only one, that a shame ! that let more dirty oil inside.









































  17. #67
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    A Wreck, I will keep the body(frame?) because the front is ok and rear left. A very rare bonnet from HARGE will be repair, it's got big holes for fresh air.






    Everything is ok in my "crankcase" !


    1 and 2


    3 4


    5 6

  18. #68
    Join Date
    Apr 2011
    Location
    montreal
    Posts
    146
    My Cars
    2001 M Coupe, 2006 M3
    ohhh nice find on the hood...

  19. #69
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    We continued the roll cage (French rules)









    Black stickers on macrolon's windows look like OEM and will hide the eggly black glue.

  20. #70
    Join Date
    Nov 2006
    Location
    oskaloosa,ia
    Posts
    898
    My Cars
    '01 3.0 ZCoupe
    I seriously cannot wait to see some video from the track with this car. It is going to be a beautiful racecar.

  21. #71
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
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    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    Thank you !






    Dashbord is stil messy, but work is in progress






    Doors :

  22. #72
    Join Date
    Jan 2008
    Location
    Arida Zona
    Posts
    30,107
    My Cars
    z3
    Awesome build, keep up the progress

    That coupe with Hartge hood... What engine does that car have?

    Going into my TENTH YEAR of providing high quality reproduction BMW fabrics!

    PRICE CUT on ALL FABRICS
    Offering the best prices on the best quality reproduction fabrics!

  23. #73
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    Thanks, it's a 2,8 liter one 192 hp
    In Europe coupe were available with 4 motors
    2,8 liter 192 hp
    3.0 liter 231 hp
    M S50B32 321 hp '98 ---->'01
    M S54B32 325 hp '01----->'02

  24. #74
    Join Date
    Jul 2004
    Location
    Houston, TX
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    12,459
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    36 Cylinders
    Quote Originally Posted by BimmerBreaker View Post
    Awesome build, keep up the progress

    That coupe with Hartge hood... What engine does that car have?
    Hahah, you were hoping real hard huh.

    Ya, it would have been funny if it was the 5.0, and not noticed. Or the 3.5...
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  25. #75
    Join Date
    Dec 2016
    Location
    France Clermont Ferrand
    Posts
    175
    My Cars
    Z3M Coupe '98 X3 3.0i
    Cleaning before Windscreen and rear windows, it's easier before !




    To prevent dust and insects, when I will make mistake on track and go to the grass area...





    I will change two hoses for steering.


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