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Thread: The E21 323i from the scrapyard.... <3

  1. #26
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    Quote Originally Posted by PowerKraut View Post

    Oh and please help me: Power Steering YES / NO ?
    Don't bother


    86 325es, 2.8L NV m50, S366, Megasquirt 2, e85, solid rear axle, 4 link, spool, T56 Magnum trans, 28x10.5w slicks, zip ties
    Best = 9.43 @ 149.15 mph, 1.30 60 foot 28 psi boost

  2. #27
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    Until the new sills arive, i went on with the suspension parts - gave them a first layer of silver brantho. <3















    - - - Updated - - -

    Quote Originally Posted by someguy2800 View Post
    Don't bother
    Why not? :P

  3. #28
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    Brake setup:

    I finally started to use parts from the turbo-rat E34 - brakes just got 300miles on them. just rusty cause i never got to drive it :'( feels bad to rip appart a project you put so much time and effort in, but i guess thats just the way it goes.






    I just started planning how to fit the rotors on the E21 and designed an adapter bracket for the new caliper. Will be at least a 4-piston caliper. Should be good for the new engine





  4. #29
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    Quote Originally Posted by PowerKraut View Post
    Spit on? :'(
    ..it comes with hard work...and fussing/cussing at one's car.

    Sad to see that rust.
    Looks horrible.


  5. #30
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    Quote Originally Posted by PowerKraut View Post


    Why not? :P
    I don't have power steering in my E30, and I used to have an E21 320is which also did not have power steering. In a car that light power steering is pretty pointless since its very easy to steer. I like the feel of no power steering and I think it adds a certain charm to the feel of driving.


    86 325es, 2.8L NV m50, S366, Megasquirt 2, e85, solid rear axle, 4 link, spool, T56 Magnum trans, 28x10.5w slicks, zip ties
    Best = 9.43 @ 149.15 mph, 1.30 60 foot 28 psi boost

  6. #31
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    Quote Originally Posted by someguy2800 View Post
    I don't have power steering in my E30, and I used to have an E21 320is which also did not have power steering. In a car that light power steering is pretty pointless since its very easy to steer. I like the feel of no power steering and I think it adds a certain charm to the feel of driving.


    AHHHH i see - maybe i missed to mention it: i contemplate to get rid of my power steering. I got a (kinda rare) E21 power steering rack and i would get a few bucks for it. But i want to drift and auto-X a bit (but 90%+ street use) and i dont have to much experience to deceide it a p/s is really needed for my project... i would love the lesser weight up front without it and not needing to fab up new hydraulic lines and stuff.

    - - - Updated - - -

    Quote Originally Posted by milKt View Post
    ..it comes with hard work...and fussing/cussing at one's car.

    Sad to see that rust.
    Looks horrible.
    It's a drag... but well, the more i look the more i'll find. ^^

  7. #32
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    Oh man..

    i was really lookin forward to get my front brake setup done this weekend - well after a little trouble with the parcel service my front hubs finally arrived. Even though the seller tripple checked if i know exactly if this part fits on my ride and i kinda felt like he thought that i am somewhat "special" just because i really really know what the heck i am ordering. He even asked for the VIN which would of course not help since this 5-lug hubs do not belong to an E21, as we all know...

    well long story short: He sent me wrong hubs - i just opened the package and went full retard - its funny how he thinks i am to dumb to order the right parts, yet he sends ANOTHER part, that i never orderd and of course does not fit.





    I did of course order NON-ABS hubs... so no brakes for the E21 this weekend.. >

  8. #33
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    The big single front headlights like you got look better. The squares are rare and cool in their own way, but I would sell and use the money on the project.

    Looks really good! E21s can look very good and its more unique than the E30.

    Junkyards arent plentiful in Europe and a lot of cars get scrapped for failing safety inspection/MOT.
    -Nick
    91 E30 M42 on VEMS

    Turbo Camshaft Thread

  9. #34
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    Quote Originally Posted by wazzu70 View Post
    The big single front headlights like you got look better. The squares are rare and cool in their own way, but I would sell and use the money on the project.
    Sounds like a good idea.

    Looks really good! E21s can look very good and its more unique than the E30.
    The really are - i like them both, but Street driven E30s are a bit of yuppie car these days in Germany. - E21s are nowhere that "hyped". The few left are either totally rotten, like mine, or are in collectors / enthusiasts hands.

    Junkyards arent plentiful in Europe and a lot of cars get scrapped for failing safety inspection/MOT.
    Most cars that fail MOT (called "TÜV" and is very very strict) go directly to afrika or eastern europe and still run there for another 30 years - thats where ALL the cool 70s and 80s cars are...



    But back to topic:

    Turned out the E12 5-Lug Hubs needed for the 5-Lug conversion on the front are no more available - nowhere. Not even used. That was an easy and cheap mod in the early 2000s... now its a PITA. Didnt expect that.

    Then i pulled the rear axle out of my E34-Turbo and tried to fit it to the E21 body. But it is not possible, or at least not worth the huge amount of labour needed. The E34 rear trailing arm and E21-axle-mounting point interfere.
    So i'm now checking out how to put the E34-LSD in the E21-axle... But for now i will just reasemble the E21-Axle without diff when i am done welding and do my meassurements later on with engine and transmission in the car.


    A few pics:

    E34 rear axle





    Took it apart



    The two diffs. Open E21-323 Diff next to the E34 520-LSD - Not only a big difference in size, also in weight.. and i didnt manage to open the cardan flange bolts on either of the diffs.





    A few engines i consider to use 2.8 VR6 - M50B25TÜ - 2.0 16V

    [/quote]

  10. #35
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    Removed all the bitumen...

















    - - - Updated - - -

    started to clean the bay as well.











    [/quote]

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    Another layer for the struts







    Painted the E23 745i 4-Pot calipers for extra 50hp

    [/quote]

    - - - Updated - - -

    Moar welding and cutting...
























    - - - Updated - - -
















  11. #36
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    Progress
    Attached Images Attached Images
    • File Type: jpg 1.jpg (298.4 KB, 17 views)
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  12. #37
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    Its been a while. engine is in its place, wiring from X20 to E21 chassis is done and seems to work. Finishing the trunk to put the gas tank and stuff in to get it ready to fire up

    IMG_20180612_124447.jpg

  13. #38
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    That's amazing!

    Sent from my G8141 using Tapatalk

  14. #39
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    Thanks man. Just to let you guys know: Removed the power steering, sold the rack for a good price.

    Just finished painting on the inside.


    Before:

    IMG_20180613_173018.jpg

    IMG_20180613_173002.jpg

    After:

    IMG_20180614_171144.jpg

    IMG_20180614_170941.jpg

  15. #40
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    IMG_20180618_160600.jpgIMG_20180618_151447.jpg


    Putting in ARPS with cams and vanos still in.. what a PITA :|

  16. #41
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    JUst tacked a mani together. chopped and flipped m52 manis and a bit of piping.

    krümmer m52 turbo.jpg


    Found out that my M50/M42 oem radiator wont fit with my intake..so i decided to maybe run the stock e21 radiator with its external expansion tank. BUT the hoses are connected differently than on the M50. Does it matter if the warm Water enters a radiator on top or on the bottom, or can it be the other way around also without causing issues? I dont see how it could not work, but who knows...

  17. #42
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    Wow, what a transformation, hats off to you for bringing it back to life.

  18. #43
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    500 bucks for a 3000 mls used SX300SXE 61mm Turbo with T4 0.88 Single Scroll housing ... on a stock internal M50B25 for the 350-450 horse powers range + a bit of headroom ... Yes or Noes? Lag City ?

  19. #44
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    It will be a bit laggy but not too bad.


    86 325es, 2.8L NV m50, S366, Megasquirt 2, e85, solid rear axle, 4 link, spool, T56 Magnum trans, 28x10.5w slicks, zip ties
    Best = 9.43 @ 149.15 mph, 1.30 60 foot 28 psi boost

  20. #45
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    hm, got a ported 2.8 here as well, that should spool it a bit earlier maybe. but for now it will be a stock m50b25tü with arps.

  21. #46
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    Got my new tiny IC that fits perfectly to keep the sleeper look. <3


    IMG_20180628_174627.jpg

    Fabbed the piping

    IMG_20180628_194029.jpg

    IMG_20180628_195621.jpg

    IMG_20180628_212056.jpg


    IMG_20180628_212029.jpg

    hmm not sure what turbo i should use in the end. its a small 49mm master power internally gated that should spool pretty quick vs. 19cm² T3 divided holset h1e with a (rather tiny for a h1e) 51mm/83mm compressor... other i could get would be the s362SX-E wit 0.81 T4 single scroll that would of course offer tons of headroom...

  22. #47
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    Just pulled the trigger and bought the S300-SXE turbo.. can it be 500whp e21 - time?


    Aaaand i made a major step today. It fired up for the first time. With brake cleaner instead of fuel injection, but that means it got spark and my wiring is somewhat working. Time to sort everything out and add a good 22 psi or so.

    t! IMG_20180630_202949.jpg

  23. #48
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    I feel like that intercooler is too small for pump fuel gasoline applications.

    If you are using E85 mostly or water/meth injection then I suppose it would be fine. It might wind up heat soaked though. I believe the turbo you chose from BW is an OIL-only cooled turbo, and the compressor cover runs 350*F operating temps, air will be at 220-250*F at the outlet most of the time. With some city driving, it will/may be a massive density loss if you cannot get that IAT back down before it hits the engine.

    Quote Originally Posted by PowerKraut View Post
    Didnt want to cut the whole front to make any bigger off the shelf IC fit. would love to have a custom size one made, but not in the budget right now. Water Meth will be added for sure tho!
    Just remember that when the intake air temperature is being high, if the water injection ever stops working the temperature can get out of hand quickly for use with typical gasoline. On one hand, the safer you are the more you inject, but on the other that becomes a temptation to raise the stakes with timing and boost, and see how much more meth you can inject. And then before you know it you are way past safety threshold for gasoline and the entire build depends solely on this one system working properly and being well maintained etc... And at some point, a pumpwill fail. Need to have a safety/cut.
    Last edited by Kingtal0n; 07-03-2018 at 03:10 PM.

  24. #49
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    Didnt want to cut the whole front to make any bigger off the shelf IC fit. would love to have a custom size one made, but not in the budget right now. Water Meth will be added for sure tho!

  25. #50
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