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  1. #1
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    600 whp s52tu e46 build thread

    Ok so I guess its time to start this.

    S52 block bored to 86.5mm oring'd
    S52 head machined to accept m54 dual vanos
    JE pistons 9:1
    Eagle rods
    Arp 2000 rod bolts and head studs
    Factory head gasket (installed dry)
    M50 intake manifold modified to accept 540 throttle body (3 1/4")
    Zhp cams (248, 248)
    Safety wired oil pump nut
    Spa t4 manifold
    Tial 38mm wastegate
    Hks ssqv bov
    Turbonetics 72mm hurricane series (compact housing)
    24x12x3 intercooler
    E46 m3 tranny and rear end


    The car

    Click here to enlarge
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  2. #2
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    The engine

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    The block
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  3. #3
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    The head

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    Pistons rods

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    Opn

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    Intake

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    Cams

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  4. #4
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    That's all the pics for now goodnight




    P.S. I didn't post the tuning method on purpose, saving that for another thread.

  5. #5
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    nice interesting build!
    Click here to enlarge

  6. #6
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    Click here to enlarge

    Can't wait to see it coming together!

  7. #7
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    Sick build. Can't wait to see the turbo/ manifold set up. Andthe fat downpipe too
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

  8. #8
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    Sick build.

    What is a S52TU BTW?

  9. #9
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    There is no such thing... Well until now. When BMW switched to e46 they made the m52tu which had dual vanos. I converted the single vanos s52 to a dual vanos s52 and call it a s52tu

  10. #10
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    Click here to enlarge Originally Posted by hobbit382 Click here to enlarge
    P.S. I didn't post the tuning method on purpose, saving that for another thread.
    Now you have me curious as to what it will be.

  11. #11
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    Click here to enlarge Originally Posted by hobbit382 Click here to enlarge
    There is no such thing... Well until now. When BMW switched to e46 they made the m52tu which had dual vanos. I converted the single vanos s52 to a dual vanos s52 and call it a s52tu
    Why did you want dual vanos?

  12. #12
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    Do you think this motor would make more sense in S52 section considering the block?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Do you think this motor would make more sense in S52 section considering the block?
    Maybe if in was in a e36... Think of it has a bored out cast iron m54b30

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Why did you want dual vanos?
    The way I have my piggyback setup, the stock dme controls throttle and vanos and wouldn't be too happy if it only saw one vanos/cam sensor. Plus I thought it would give a little better powerband with longer duration exhaust cam and wider adjustment of vanos.

  15. #15
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    Click here to enlarge Originally Posted by hobbit382 Click here to enlarge
    The way I have my piggyback setup, the stock dme controls throttle and vanos and wouldn't be too happy if it only saw one vanos/cam sensor. Plus I thought it would give a little better powerband with longer duration exhaust cam and wider adjustment of vanos.
    Interesting approach, almost surprised you aren't going stand alone. What piggy?

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    Click here to enlarge Originally Posted by hobbit382 Click here to enlarge
    Maybe if in was in a e36... Think of it has a bored out cast iron m54b30
    Your build so put it wherever you want I guess but you used the M54 prefix even though you titled it S52tu...

  17. #17
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Your build so put it wherever you want I guess but you used the M54 prefix even though you titled it S52tu...
    It's a bit of a frankenstein... Parts from m50/s50, m52, s52, m52tu, m54, and m62

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Interesting approach, almost surprised you aren't going stand alone. What piggy?
    I may switch to a stand alone if I can't get the results I want. I'm using the greddy Emanage ultimate. I've had it running on the m52tu for over a year an haven't had any problems. Jason from from proEFI will be taking a stab at tuning it and if we are unsatisfied with the results Ill switch to proEFI

    Click here to enlarge

  19. #19
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    Personally, I don't care what subforum this goes in....it's bad azz.

    I consider it a compliment that it shares most of the achitecture of an M54.
    Rep Points > Posts since 2010

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    Click here to enlarge Originally Posted by PEI330Ci Click here to enlarge
    Personally, I don't care what subforum this goes in....it's bad azz.

    I consider it a compliment that it shares most of the achitecture of an M54.
    thanks for the comliments. I plan to start her up on friday. waiting on upper m3 radiator hose, modified m50 fuel rail and lines, and new iac hoses. everything else is hooked up, installed and torqued to factory spec.

  21. #21
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    holy huge turbo... this sedan is going to fly!


    whats going on with the oil pump nut? is the tie wire attached to the nut itself? ive never seen this solution before, just welding.

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    Wow this build looks insane! Excited to see how that Emanage performs as a piggyback, always love seeing different approaches to taking control of the dme.

  23. #23
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    1 out of 1 members liked this post. Reputation: Yes | No
    I ran the car last night for the hell of it. Currently it has the stock 328i throttle body, maf and intake w/ old oem filter. Factory exhaust and all the settings on the piggy back are set to zero as far as performance. So basically a completely stock setup minus the 3.2l with zhp cams and m50 manifold. Car weighs 3580 with me in it and ran 15.01 @94. Pretty slow... But based on hp calculators 232 rwhp. I feel it's broken in, and now ready for the e85, 540 throttle and turbo...

  24. #24
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    I hate to admit that it's not horribly heavy, but it's actually reasonable weight. Or maybe it is heavy and you're just not a 200+ fatass like me.

    I think, overestimate on the power. But who cares, this is made for turbo. Add turbo.
    Click here to enlarge

  25. #25
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    Click here to enlarge Originally Posted by hobbit382 Click here to enlarge
    I ran the car last night for the hell of it. Currently it has the stock 328i throttle body, maf and intake w/ old oem filter. Factory exhaust and all the settings on the piggy back are set to zero as far as performance. So basically a completely stock setup minus the 3.2l with zhp cams and m50 manifold. Car weighs 3580 with me in it and ran 15.01 @94. Pretty slow... But based on hp calculators 232 rwhp. I feel it's broken in, and now ready for the e85, 540 throttle and turbo...
    That is actually right about the same I ran in my E46 330i, no ZHP.

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