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Thread: m52 Turbo Build

  1. #1701
    Join Date
    Oct 2012
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    washington, dc
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    96 E36 Vert 03 E39 M5
    Nice!
    Ever go to the Camerons or Dunkins ?
    http://www.bmwmregistry.com/detail.php?id=13792
    * E39 M5 SterlingGray -RIP 11/2018
    * E36 328 vert Schwarz - ~TurboProject underway
    * E90 335i Sedan MonocoBlau - Daily ToddlerTaxi

  2. #1702
    Join Date
    Feb 2011
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    Virginia
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    97' m52 turbo
    Holy guacamole, 69th page. happens to be my fav numero uno

    Never heard of them Turboh. Im guessing there near us?

    car is still on 7 PSI spring but in the last video hit 14PSI under full load with EBC set to 9, crazy. Pretty sure it has a boost leak as AFRS were a bit high
    Last edited by 328iFun; 10-02-2018 at 08:41 PM.

  3. #1703
    Join Date
    Feb 2011
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    Virginia
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    97' m52 turbo
    Anyone know what size the idle screw on the m52 throttle body is?


    Sent from my SM-G960U using Tapatalk

  4. #1704
    Join Date
    Apr 2015
    Location
    Tennessee
    Posts
    1,736
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    1998 BMW 328i
    Quote Originally Posted by 328iFun View Post
    Anyone know what size the idle screw on the m52 throttle body is?


    Sent from my SM-G960U using Tapatalk
    Are you talking about the adjustment screw for the throttle cable? If so it's a large plastic piece. Probably 13-14 mm but it should be turnable by hand.

    Sent from my VS987 using Tapatalk

  5. #1705
    Join Date
    Feb 2011
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    Virginia
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    97' m52 turbo
    No, not that one.

    The actual screw that has a nut on as well so it can be locked in place. I think it requires a tiny allen wrench

  6. #1706
    Join Date
    Jul 2011
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    Bay Area, California
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    591
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    M3 w/Gt35r
    Are you running an OBD1 throttle body?

  7. #1707
    Join Date
    Apr 2006
    Location
    Minnesota eh?
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    6,155
    My Cars
    86 325es
    Mine are a slotted screw I think


    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

  8. #1708
    Join Date
    Nov 2015
    Location
    Lake Tapps, WA
    Posts
    187
    My Cars
    99 Turbo M3
    FX STAGE 4 unsprung here and 14.5 PSI slipping with a 67/73 into the beginning of 3rd gear a touch. I do like the engagement and its held up to brake boosting and beating on the car for 5-6 months... but it doesn't like traffic it will slip at first engagement if your slipping it constantly after a while. but my flywheel had hotspots so that could be my issue lol .

    99 Turbo M3 - BWs366 - RSI - Fuse Fabrication - JE Cutring -

  9. #1709
    Join Date
    Feb 2011
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    Virginia
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    97' m52 turbo
    Ehh, pretty sure OBDI

    This may be a pick a part find this weekend..

    Car is idling weird without it, guess it fell out or something

    Sent from my SM-G960U using Tapatalk

  10. #1710
    Join Date
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    Virginia
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    97' m52 turbo
    Quote Originally Posted by JPE36M3 View Post
    FX STAGE 4 unsprung here and 14.5 PSI slipping with a 67/73 into the beginning of 3rd gear a touch. I do like the engagement and its held up to brake boosting and beating on the car for 5-6 months... but it doesn't like traffic it will slip at first engagement if your slipping it constantly after a while. but my flywheel had hotspots so that could be my issue lol .
    I'm running the same one now. Was running the FX Stage 3 sprung before, haven't noticed a difference between the two really.

    It was my fault the last one died. Didnt properly break it in + burnouts

    Sent from my SM-G960U using Tapatalk

  11. #1711
    Join Date
    Dec 2016
    Location
    Los Angeles, California
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    107
    My Cars
    2002 E46 BMW 325i
    I just finished reading this entire thread. There have been a lot of ups and downs but in the end it seemed to all work out well. I've been wanting to turbo my E46 for a long time now and I ordered my first turbo manifold today. Let the journey begin

  12. #1712
    Join Date
    Mar 2012
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    Renton, Wa
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    98 m3
    Quote Originally Posted by armenh7 View Post
    I just finished reading this entire thread. There have been a lot of ups and downs but in the end it seemed to all work out well. I've been wanting to turbo my E46 for a long time now and I ordered my first turbo manifold today. Let the journey begin
    We are looking for a few more e46’s to do beta testing on. Let me know you’re interested, your car may be one we are looking for.


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 M3 Tiag/Dove - sold
    1998 M3 Turbo Arctic/black - current
    2004 Built motor TiAg/Black - Sold
    2008 E61 19T Turbo-Wagon - current
    2011 E82 135i - S85 Swap - current
    1998 M3 Cosmos S54 swapped Sedan - current

    1998 Turbo: PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  13. #1713
    Join Date
    Dec 2016
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    Los Angeles, California
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    2002 E46 BMW 325i
    Testing in terms of software or hardware?

  14. #1714
    Join Date
    Dec 2016
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    Los Angeles, California
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    2002 E46 BMW 325i
    Testing hardware or software wise?

    I tried replying to you with a quote but that required moderator approval. I've been reading a ton of E36 turbo threads to learn how to do it.

  15. #1715
    Join Date
    Feb 2011
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    Virginia
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    97' m52 turbo
    He's probably talking about software as it seems your doing all of the Hardware yourself. Is your car s54 powered?

  16. #1716
    Join Date
    Dec 2016
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    Los Angeles, California
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    2002 E46 BMW 325i
    I wish it was S54 powered haha. Just a M54B25. I do plan in the very far future to buy a M54B30 on the side and fully rebuild it

  17. #1717
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    97' m52 turbo
    Quote Originally Posted by armenh7 View Post
    I wish it was S54 powered haha. Just a M54B25. I do plan in the very far future to buy a M54B30 on the side and fully rebuild it
    I personally wouldn't boost the m54, others have done it with success though

  18. #1718
    Join Date
    Feb 2016
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    Rogers AR
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    1995 BMW M3
    Quote Originally Posted by vollosso View Post
    We are looking for a few more e46’s to do beta testing on. Let me know you’re interested, your car may be one we are looking for.


    Sent from my iPhone using Tapatalk
    I'm curious about this as well as "armenh7"

  19. #1719
    Join Date
    Mar 2012
    Location
    Renton, Wa
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    98 m3
    Software

    We have software for early e46 m54 that we are in beta testing with.

    Still in development on s54 turbo software.



    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 M3 Tiag/Dove - sold
    1998 M3 Turbo Arctic/black - current
    2004 Built motor TiAg/Black - Sold
    2008 E61 19T Turbo-Wagon - current
    2011 E82 135i - S85 Swap - current
    1998 M3 Cosmos S54 swapped Sedan - current

    1998 Turbo: PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  20. #1720
    Join Date
    Dec 2016
    Location
    Los Angeles, California
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    107
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    2002 E46 BMW 325i
    Quote Originally Posted by 328iFun View Post
    I personally wouldn't boost the m54, others have done it with success though
    I don't see anything wrong. I know that the aluminum block has a higher chance of pulling threads but I don't mind as my B25 will be the one I learn to turbo on and the B30 will be fully rebuilt to withstand many beatings

    - - - Updated - - -

    Quote Originally Posted by vollosso View Post
    Software

    We have software for early e46 m54 that we are in beta testing with.

    Still in development on s54 turbo software.



    Sent from my iPhone using Tapatalk
    Got it. I'm on MS43. I have been quite involved with MS42 and MS43 stuff but not enough to know everything about them. Just the basics like understanding what does what. I have a spare MS43 that I mess around with

  21. #1721
    Join Date
    Feb 2011
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    97' m52 turbo
    Anyone know anything about small engines by chance?

  22. #1722
    Join Date
    Apr 2006
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    Minnesota eh?
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    86 325es
    Quote Originally Posted by 328iFun View Post
    Anyone know anything about small engines by chance?
    Like less than 5 liters?


    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

  23. #1723
    Join Date
    Feb 2011
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    Virginia
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    97' m52 turbo
    Quote Originally Posted by someguy2800 View Post
    Like less than 5 liters?
    Like a Kohler S265

  24. #1724
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    Feb 2011
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    Virginia
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    97' m52 turbo
    On a side note, car related:

    Anyone every have problems with their oil feed line (connector) making contacting with the turbo manifold flange, where turbo and manifold meet?

    I have slight oil leak from the connector and I think its because the flange is heating it up causing the material to expand

  25. #1725
    Join Date
    Feb 2011
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    Virginia
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    97' m52 turbo
    Still enjoy the car greatly!

    Boost never gets old


    Gotta work on my 1 - 2 shift



    Last edited by 328iFun; 01-11-2019 at 08:51 AM.

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