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Thread: Megasquirt 3X

  1. #1
    Join Date
    Apr 2006
    Location
    Minnesota eh?
    Posts
    6,155
    My Cars
    86 325es

    Megasquirt 3X

    SOLD

    I have a megasquirt I rescued off ebay a couple years ago. I was going to use it in my car but I got a MS3 pro ultimate to use instead. The previous owner had put about half of it together but never finished it. I went through the whole board and desoldered everything and resoldered all the connections. I also verified every resistor and diode on the board with a multimeter. This is a V3.0 main board with the MS3 daughter card and MS3x expansion board. I was going to turn it on and put a base tune on it but I can't find the tuning cable that came with it. I am selling it cheap since I have not tested it and I cannot offer tech support on it, so I am selling it as is. Will need to get a tuning cable and a wiring harness from DIYautotune.

    Price is $350 shipped

    This kit from diyautotune is $405 for the MS3+ $110 for the MS3x expansion board, or $692 if you were to buy it assembled. Hope this helps someone get their project on its feet.











    Here is the inside of the case. When I got it the previous owner had broken 3 of the case screws off in the holes. I was able to get them out but scratched up the case on the inside a bit. This will not affect how it works and none of them show on the outside. I found some smaller screws locally that work fine to hold the case ends on.







    Last edited by someguy2800; 07-05-2018 at 06:24 PM.


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  2. #2
    Join Date
    Oct 2012
    Location
    Saint Paul, Minnesota
    Posts
    71
    My Cars
    87 BMW E30 w m50
    Your a hero man. Heck of a deal for someone!

  3. #3
    Join Date
    Apr 2006
    Location
    Minnesota eh?
    Posts
    6,155
    My Cars
    86 325es
    Bump, make an offer


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  4. #4
    Join Date
    Mar 2008
    Location
    West Covina, CA
    Posts
    939
    My Cars
    97 M3/4/5, 98 M3/2/5
    I spy a pistol caliber AR

  5. #5
    Join Date
    Jun 2012
    Location
    South fla
    Posts
    1,103
    My Cars
    97 332i, 90 535i
    Interested!

    Sent from my SM-J727T1 using Tapatalk

  6. #6
    Join Date
    Apr 2006
    Location
    Minnesota eh?
    Posts
    6,155
    My Cars
    86 325es
    make me an offer, I will probably take it


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  7. #7
    Join Date
    Nov 2009
    Location
    n.y
    Posts
    35
    My Cars
    m3 3.0l

    Megasquirt 3X

    Do you still have the ECU


    Sent from my iPhone using Tapatalk
    Last edited by 1995m3lover; 07-01-2018 at 02:18 AM.

  8. #8
    Join Date
    Nov 2011
    Location
    Greedland
    Posts
    768
    My Cars
    99 540i6, 02 X5, Tundra
    Starting offer $200
    E85 fueled, Eaton m112 supercharged 4.5L M62TU, TTV racing flywheel, Spec stage 2+ clutch, 88c thermostat, eibach sway bars, wavetrac 3.15 lsd, m5 steering box, Quantum 340lph fuel pump, Dinan camber plates, some powerflex bushings, Supersprint headers, M5 cats, 2001 gas pedal upgrade and many other things done. all diy by me

  9. #9
    Join Date
    Apr 2006
    Location
    Minnesota eh?
    Posts
    6,155
    My Cars
    86 325es
    Quote Originally Posted by 1999 540i m View Post
    Starting offer $200
    Keep going


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  10. #10
    Join Date
    Nov 2011
    Location
    Greedland
    Posts
    768
    My Cars
    99 540i6, 02 X5, Tundra
    Quote Originally Posted by someguy2800 View Post
    Keep going

    $300
    E85 fueled, Eaton m112 supercharged 4.5L M62TU, TTV racing flywheel, Spec stage 2+ clutch, 88c thermostat, eibach sway bars, wavetrac 3.15 lsd, m5 steering box, Quantum 340lph fuel pump, Dinan camber plates, some powerflex bushings, Supersprint headers, M5 cats, 2001 gas pedal upgrade and many other things done. all diy by me

  11. #11
    Join Date
    Apr 2006
    Location
    Minnesota eh?
    Posts
    6,155
    My Cars
    86 325es
    Quote Originally Posted by 1999 540i m View Post
    $300
    That works. I’ll send you a PM


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  12. #12
    Join Date
    Apr 2006
    Location
    Minnesota eh?
    Posts
    6,155
    My Cars
    86 325es
    Sold


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

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