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Thread: Endurance Racing E36 M3 Build Thread

  1. #1
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES

    Wink Endurance Racing E36 M3 Build Thread

    Hello fellow bimmerphiles, this is my first post here but I've been lurking over the past few years. I finally had some free time to start a build thread for my car. I've sporadically taken pictures to catalogue what I've done over the past twelve months putting this car together. I'm part of a four person team (WinSome Racing) located in Raleigh/Chapel Hill NC that currently campaigns an M50 powered E30 in CHAMPCAR. If any of y'all see us at a race please stop by and say hi!

    One of my good friends and fellow racer was looking to downsize his fleet and gave me a great deal on his track day car, a 1998 black M3. The car already had a half cage, MCS 2 way remote suspension and a few other goodies. Prior to buying the M3 I had actually driven it for a track day and felt confident it would make a good race car. The plan is to make the car competitive for WRL/AER events. Below starts my build thread.

    Current Mods:
    Suspension:

    MCS 2-Way Remote Suspension
    Vorshlag Camber Plates
    Hypercoil Springs (650 front, 800 rear)
    Ground Control Articulating Rear Spring Perch/Weight Jack
    Turner rear adjustable camber arms
    Alignment: -3.5 degrees front camber, 0 front toe, -0.1 deg rear toe in, -2.0 degrees rear camber
    UUC 27mm Front swaybar
    Condor UHMW Front Control Arm Bushings
    Rtab pocket reinforcements
    Condor UHMW Diff Bushings
    Condor UHMW Subframe Bushings
    Condor UHMW RTABs
    Condor solid steering shaft

    Wheels/tires

    Racing stud conversion
    17x9 ET 41 D-Force LTW5's
    Falken RT615K+ 255/40/17

    Powertrain:

    Generic intake
    BimmerWorld Traction control throttle body delete
    Epic Motorsports tune (Redline 7200 RPM, SAP delete, rear O2 delete, EWS delete)
    Active Autowerk Midpipe and Exhaust
    BimmerWorld E-fan, runs as factory with manual override
    Metal impeller water pump
    Metal thermostat housing
    Condor Speed Shop Delrin Motor mounts, Spare Roush aluminum motor mounts
    Roush (custom) aluminum transmission mounts
    AKG shifter and DSSR
    Oil Pump nut safety wired
    Achilles motorsport oil pan baffle
    HVAC Delete
    Power Steering delete
    Clutch delay valve delete
    Secondary air pump delete
    Rogue Engineering SS clutch pivot
    JB Racing Aluminum Flywheel
    Sachs M5 clutch and pressure plate
    Bimmerworld SS clutch line
    Opened fuel filler neck
    BimmerWorld fuel starve kit (dual pumps)

    Brakes:
    PFC V3 2 piece rotors
    PFC 11 and 08 Pads
    Porter field race pads
    PFC 665 Brake Fluid
    Turner braided SS brake lines

    Interior/Safety:

    Roll Cage 1.75” built by Restoration Race Works, Raleigh NC Built to WRL/AER/CHAMP specs
    Racetech Seat, custom mount and transmission tunnel modification
    Interior stripped
    MKAH ATP floor pan
    S2R Carbon Fiber sunroof delete
    Steering lock Delete
    Pushbutton Start / Dash Toggle Switches
    SFI Window net and right side net
    OMP Super Quadro steering wheel
    MKAH rear bulkhead delete
    Hard Motorsports pedals
    Hard Motorsports Dash Block Off Plates
    6 Pole Electrical Cutoff Switch
    Seat Back Brace
    SPA 4 nozzle 4ltr mechanical fire suppression system
    battery tie down
    Rogue Engineering Quick Release

    Body/Aero:

    Condor Polycarbonate Rear Windows w/ passenger NACA duct
    Nine Lives Racing Big Wang 67” wing
    Custom splitter stays and front splitter.

    This is more or less how the car started
    IMG_3123.jpg

    Then the weight loss began
    IMG_3127.JPG
    IMG_3131.jpg

    IMG_3574.jpg
    IMG_5179.jpg

    More pictures to come!

  2. #2
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    So after stripping the interior, and buzzing out the door panels I realized that the throttle pedal was cracked at the plastic hinge. This was replaced with a hard motorsports pedal set and MKAH floor plate. The floor plate is a little flimsier than what I had wanted but it should do.
    IMG_4572.jpg
    up next was a OMP flat bottom 330mm wheel
    LXTV8615.jpg

    It was about at this time that I decided to install an oil pan baffle and safety wire the oil pump nut
    IMG_3522.jpg
    IMG_3532.jpg
    Attached Images Attached Images

  3. #3
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    Mods, let me know if there's an easier way to post photos. I have all of them hosted on googleimages but I can't use an image link from there. Just don't want to hog up your servers' bandwidth with photos.

    On to the next steps!

    Turner underdrive pulley's came with the car so I installed these. I also deleted the power steering and a/c. Then went full hog and deleted the entire HVAC system (because racecar)
    IMG_3166.jpg

    Also installed a pretty slick Racetech seat
    IMG_3567.jpg

    Then off to the cage builder she went! For the cage I used two great local guys that I knew through mutual racecar buddies. They had mainly been working on old Z cars and this may have been their first E36. They did a stellar job!
    IMG_3702.jpg

    IMG_4147.jpg
    IMG_4121.jpg

  4. #4
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    This was Winter of '17, all the fun things fit in the garage!
    IMG_4123.jpg

    Replaced the Dash and installed a AKG shifter with DSSR and new shift selector seal. At this time I also started planing out belt and net routing.
    IMG_4573.jpg

    The car came with an Active Autowerks head back exhaust system, but the resonator had a ton of loose material in it so I replaced with a Y pipe

    IMG_4576.JPG
    This Y pipe got rid of an awesome high pitched whine noise that honestly sounded like bad bearings. Muffler bearings perhaps? I had also installed nice rear windows from Condor.

    IMG_4870.jpg

  5. #5
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    Good photo of the back of the cage, with a rear seat delete from HARD
    IMG_5264.jpg

    And then the real fun began. Installing condor UHMW bushings all around and RTAB pocket reinforcements.
    IMG_5126.jpg
    IMG_5162.jpg
    While this was taking place, I tried to bundle wires to clean up the interior and installed a fire suppression system.
    IMG_5102.jpg

  6. #6
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    The car came with a well used set of PFC08 pads, and I've always liked the performance and feel I've had with their compounds. We have at times run PFC on my team's E30 and spec miata. I stuck with PFC for a brake upgrade and installed PFC11 pads along with front 2 piece rotors and new SS brake lines that came with the car.
    IMG_5163.jpg

    IMG_5165.jpg

  7. #7
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    Well, this is about when the going got tough and really frustrating. The car had a pretty significant 5th gear lean, which was worsened by the shortened gate of the AKG shift. I was very worried about moneyshifting after putting all of this time into the car so decided to replace the detent/shift pins. While the transmission was uninstalled, the plan was to also replace the clutch and flywheel assembly.

    I had plenty of extensions to access the transmission bolts, but the very top one was installed with Herculean strength and ended up stripping. Due to the limited access for a torch or other tools, I made the decision to pull the drivetrain to get that one damn bolt off.

    IMG_5210.jpg
    IMG_5211.jpg
    IMG_5212.jpg
    IMG_5241.jpg
    while everything was accessible I went ahead and replaced the oil filter housing gasket deal since it was leaking.
    Attached Images Attached Images

  8. #8
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    Old and new flywheel:
    IMG_5224.jpg
    With the JBR flywheel I'm also running an M5 clutch/PP. Detent Pins were a huge pain the rear but finally got them done (took about 24 hours, but on my spare transmission took about 20 minutes)
    IMG_5216.jpg
    Finally got the transmission back in, and it makes pretty strange noises at certain RPM but otherwise drives great. Luckily I have a spare.

    - - - Updated - - -

    Next step was on to Aero. I was super stoked to get in on the preorder for the Nine Lives Racing BIG WANG:
    IMG_5379.jpg
    IMG_5375.jpg
    IMG_5376.jpg
    Pretty soon will be the front splitter...

  9. #9
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    While Making the splitter, I had good chance to get the car corner balanced and aligned. Note this is with 200lbs ballast in the front seat and 5/8 tank of gas
    CRTJ6356.jpg
    HZMQ8103.jpg

  10. #10
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    Then took the front bumper cover and crash bar off, had one of my team mates weld up splitter stays, and inherited a plywood splitter from my neighbor who has a few E36 race cars.
    IMG_5559.jpg

    IMG_5561.jpg
    IMG_5560.jpg
    IMG_5534.jpg

  11. #11
    Join Date
    Nov 2007
    Location
    Orlando
    Posts
    259
    My Cars
    99 M3, 11 GT3RS
    Sick dude.

    I don't know how your car is that much lighter than mine but pretty work.
    99 M3 STU/ GTS3 Project

  12. #12
    Join Date
    Jan 2018
    Location
    Raleigh, NC
    Posts
    13
    My Cars
    1998 M3, 1986 325ES
    Quote Originally Posted by NotoriousJJE View Post
    Sick dude.

    I don't know how your car is that much lighter than mine but pretty work.
    Not sure. I will be replacing the rear glass with poly, which should net a few more pound loss, I think if I went through the wiring harness there would be another few pounds there too. My neighbor's E36 is closer to 25xx I believe. For comparison, my team's E30 is closer to 2350

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