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Thread: I want the P54 E46 WTCC intake manifold!!

  1. #1
    SLR is offline Senior Member Supporting Vendor
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    I want the P54 E46 WTCC intake manifold!!

    So who has a clue where to get one?

    Made from the factory in silver carbon fiber.







    Last edited by SLR; 09-11-2009 at 02:16 AM.

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    I approve of any and all motorsport engineering pr0n.

    Amazing construction [injector bungs!] - but weren't these motors regulated by mandating relatively small diameter throttle openings? I'm not smart enough to know how well the overall design would translate when dealing with 700whp worth of air and a 90mm TB . Then again this is unobtainium anyway.

    The smaller, post TB tapered plenum is interesting on picture 2 and onward. I'm guessing it helps distribute air more evenly - but I don't think I've seen that before.

    And the fact WikiMedia has a section for 'BMW Race Engines' is cool. I hope Steve_J and others share the pictures they've been hording over the years -
    http://commons.wikimedia.org/wiki/Ca...racing_engines
    Last edited by fritzintn; 09-11-2009 at 03:04 AM.
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    The intake manifold in the first and subsequent pictures are different. Definitely looks like it's trying to get as much air past the restrictor as possible!

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    You can see them all at the BMW Museum in Munich... I spent a few hours there a few weeks ago.

    This one was my favorite...


    Then all of the M engines in a row.


    They have headphones so you can hear the engines rev!
    A word of Internet Forum wisdom: Disregard any advice that begins with "I've heard..."

    97 M3/4 - S54, TRM Coilovers, UUC SSK/Sways/LTW Flywheel




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    OMG i need to go to that museum badly

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    Quote Originally Posted by sbblowz View Post
    OMG i need to go to that museum badly
    Yeah, with a forklift, box truck, and goons with tools

    Go ahead and bite. Plenty for everyone.

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    Quote Originally Posted by Binjammin View Post
    Yeah, with a forklift, box truck, and goons with tools
    +1

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    techno550 is offline Senior Member Supporting Vendor
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    The way they feed the plenum is relatively common. Was/is used by audi on the rally cars all the way up to the current race cars. also found on modern LMP motors from AER, including the P07 and the MZR-R.

    My extreme backburner project intake manifold looks very similar as well.
    Michael McCoy TRM

  9. #9
    SLR is offline Senior Member Supporting Vendor
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    So anyone know a good connection to get factory Motorsport parts?

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    Quote Originally Posted by Shuasha View Post
    You can see them all at the BMW Museum in Munich... I spent a few hours there a few weeks ago.

    This one was my favorite...


    Then all of the M engines in a row.


    They have headphones so you can hear the engines rev!
    WOW this makes it even worse my trip to germany this year was canceled.
    Reigning and Longest Tenured OT President to Date

  11. #11
    techno550 is offline Senior Member Supporting Vendor
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    I have to ask... why would you want one?

    Its optimized for a 2L engine with a targeted max revs of 9000 and has a mandated 64mm throttle body.
    Michael McCoy TRM

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    Won't do you any good on a stock M5x engine. Plus the cost is over 7 grand =)
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  13. #13
    SLR is offline Senior Member Supporting Vendor
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    Quote Originally Posted by techno550 View Post
    I have to ask... why would you want one?

    Its optimized for a 2L engine with a targeted max revs of 9000 and has a mandated 64mm throttle body.
    It will work just fine on a force fed 2.8L, trust me. Just from plain sight I can tell it flows better than the stock M52 intake, and those P54 2.0 engines make like 340HP naturally aspirated. It probably equal in outright cross section to the M50 intake, but with optimized smoothness and taper

    The only thing different for my application would be the throttle body and actually the throttle it has looks to be about 65mm or so which is plenty on a FI car making like 500hp. People routinely use too large of throttles and intake piping on turbo setups. Look at most FI Lemans cars, and you will see appropriately sized flow systems.

    Anyway though, I found a BMW motorsport price list and the outer airbox half costs 3840, the runner section is 4100, the six sealing rings from the box to the trumpets are 16.60 each, 3.81 for the main o-ring between the halves and 272 for the manifold support bracket......

    So roughly $12,500 USD, or I just found a complete fresh factory rebuild 2005 ETCC engine for 15k euro.. lol

    My decision??? well I am browsing a composites website right now.....

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    techno550 is offline Senior Member Supporting Vendor
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    It will work "just fine" above 5k rpm. Well above. Note the injector placement.

    I'm sure it will be ~$13K well spent.


    I do agree that most oversize the throttle bodies though. Especially when blowing through them.

    Also, the WTCC 2L made around 275 hp. not 340.
    Michael McCoy TRM

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    CF turbo FTMFW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!111111!!!!!!!!!!!!!!!!
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    never saw a cf turbo before, that's pretty awesome

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    techno550 is offline Senior Member Supporting Vendor
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    Thats just a heat shield.

    The center section is still steel. The compressor housing still aluminum. Just a carbon cover...
    Michael McCoy TRM

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    SLR is offline Senior Member Supporting Vendor
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    Quote Originally Posted by techno550 View Post
    It will work "just fine" above 5k rpm. Well above. Note the injector placement.

    I'm sure it will be ~$13K well spent.


    I do agree that most oversize the throttle bodies though. Especially when blowing through them.

    Also, the WTCC 2L made around 275 hp. not 340.
    Yea I was getting a bit confused with SuperTourers there.

    275hp is still pretty damn impressive from a 2L that's required to be essentially stock internally and pulling through a tiny restrictor.

  19. #19
    techno550 is offline Senior Member Supporting Vendor
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    Quote Originally Posted by PTGM3 View Post
    Yea I was getting a bit confused with SuperTourers there.

    275hp is still pretty damn impressive from a 2L that's required to be essentially stock internally and pulling through a tiny restrictor.
    Its not stock... 11:1 Cr, not stock crank, rods, pistons, cams, intake, exhaust, etc...
    was required to run on pump gas though. "premium" / "super unleaded".

    the 64mm throttle body is not a "tiny restrictor". Not even close. As a point of reference, a ~6L NA LMP engine will be given a ~45mm restrictor. So the restrictor given to limit those motors to >600 hp is half the flow area of the TB on the car making less than half the power. Not much of a restrictor in that sense.
    Michael McCoy TRM

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    Quote Originally Posted by PTGM3 View Post
    It will work just fine on a force fed 2.8L, trust me. Just from plain sight I can tell it flows better than the stock M52 intake, and those P54 2.0 engines make like 340HP naturally aspirated. It probably equal in outright cross section to the M50 intake, but with optimized smoothness and taper

    The only thing different for my application would be the throttle body and actually the throttle it has looks to be about 65mm or so which is plenty on a FI car making like 500hp. People routinely use too large of throttles and intake piping on turbo setups. Look at most FI Lemans cars, and you will see appropriately sized flow systems.

    Anyway though, I found a BMW motorsport price list and the outer airbox half costs 3840, the runner section is 4100, the six sealing rings from the box to the trumpets are 16.60 each, 3.81 for the main o-ring between the halves and 272 for the manifold support bracket......

    So roughly $12,500 USD, or I just found a complete fresh factory rebuild 2005 ETCC engine for 15k euro.. lol

    My decision??? well I am browsing a composites website right now.....
    where did you find this website at?

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    The injector placement made me giggle. Must idle just lovely


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    I'm kind of letting the cat out of the bag here.....but I know someone that's working with one of these:



















    Sorry, but I can't comment any further on this project.

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    Quote Originally Posted by PEI330Ci View Post
    I'm kind of letting the cat out of the bag here.....but I know someone that's working with one of these:



















    Sorry, but I can't comment any further on this project.

    Sir, please comment further on this project.


    I suppose specifics of who/what project are too much, how about how the mystery person is molding the runners? Share that?

    Go ahead and bite. Plenty for everyone.

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    Quote Originally Posted by PEI330Ci View Post
    I'm kind of letting the cat out of the bag here.....but I know someone that's working with one of these:



















    Sorry, but I can't comment any further on this project.
    Who they hell knew PEI could be on the cutting edge of anything, even if it only is custom projects on bfc.



    That looks sick. Waiting on Mr.McCoys critique.
    Last edited by ///36M; 09-13-2009 at 02:36 PM.
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    How do they fix the bungs to the CF?


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