1998 E46 328 - What is the best way to get some extra hp out of a M52TUB28? - Page 2

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Thread: 1998 E46 328 - What is the best way to get some extra hp out of a M52TUB28?

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  1. Vanos 
    #11
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    callouss's Car Details
    Model of Car:
    328i
    Year of Manufacture:
    2000
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    Quote Originally Posted by bwchiptune View Post
    If you need I will dyno your car before and after the manifold change on our dyno dynamics rolling road
    So you have a before and after
    Hi there, I am waiting from UK BMW 328i 2000 reg manual.
    Senders couldn't answer me is there doable vanos or not.
    Can You please tell me: there is single or doable vanos on it?
    Thank You
     
     

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    #12
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    alpina527's Car Details
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    Quote Originally Posted by callouss View Post
    Hi there, I am waiting from UK BMW 328i 2000 reg manual.
    Senders couldn't answer me is there doable vanos or not.
    Can You please tell me: there is single or doable vanos on it?
    Thank You
    All E46 328s are dual vanos,

    All E36 328s are single vanos
     
     

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    #13
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    schwarz82's Car Details
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    01'330ci / 04'530i / 03'330ci
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    2003
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    coupe

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    Agree - mods above fit e36 only. (even after won't be the same as 330ci)
    Not much you can do cheap.
    Cat back exhaust incl. manifold - good custom.
    Good air filter intake kit plus fresh remap.
    Is it worth it? Don't think so. Just nice sound but lower mpg.
    Buy M54B30 - it does make a difference from bottom revs.
     
     

  5.  
    #14
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    bwchiptune's Car Details
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    x5
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    2002
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    auto
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    estate
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    Quote Originally Posted by mikaveli View Post
    I'm not 100% sure if it fits the E46 328 (if def suits the E36) but your best bet is the 'M50 Mod'.

    It involves fitting a modified, less restrictive inlet manifold and throttle body. You'd be looking at a real world 25ish bhp for around £500 fitted. There's a forum member called Alpina527 that does the kits and is well recommended.

    Combine this with a good cold air induction kit (DaveF or similar), for a few more ponies/

    After that, get it remapped to suit for another 12bhp.

    Finally, you have the option of fitting some US M3 cams for another 8ish bhp.

    Doing any more than that is just throwing your money away - but just the above gets you to about 240bhp - the M50 mod being the best because it lets the car use it's higher rev range better.
    Our remap on a standard 328i will make the car quicker than a 328i with m50 and bbtb fitted with no remap
    Been tested

    A 328i with m50 manifold fitted will make around 208-212bhp on a dyno dynamics rolling road with or without bbtb fitted (see 1st dyno graph)
    but will have a flat spot before 3500-3700 different software can help the flat spots
    Been tested


    A 328i with m50 manifold fitted
    our remap
    Standard air box fitted
    Will make 230-235
    Been tested
    Cold air induction kit fitted with above mods will make 235-239bhp



    A e36 328i with
    m50 inlet manifold fitted
    m3 exhaust manifolds and full system
    Standard air box
    No remap will make 220-224bhp
    With our remap will make 240-243bhp
    Been tested
    Standard air box holds back power
    With cold air induction kit our remap makes 248-252bhp and revs up much faster
    been tested
    See pembo's 328i
    http://www.bmwowner.com/forum/viewto...16501#p2016501

    328i with m50 inlet manifold
    Air induction kit
    USA m3 cams
    Our remap on t1000's car back in 2006 made 263bhp there is loads of room for improvements in the mapping on this car still

    After Morgan t1000 fitted m3 exhaust manifolds it lost power on this car (will need retuning to suit m3 manifold set up)


    I've found that m50 manifolds that have been fitted using hose pipes and the 90 degree pipe connectors(take longer to install but alot cheaper)have made the same power as the machined m50 manifolds which are a nicer fit and easier to install

    Bbtb fitted have made no difference to a remapped car but have helped throttle response on cars with no remap installed

    Standard air box is good for up to 230ish bhp

    Cold air induction kit like Dave F or Simota helps car to rev up faster and more bhp on cars after 230bhp with m3 exhaust manifold and full system fitted

    You may need to shorten the lamda sensor mountings on the m3 exhaust manifold so the lamda sensors fit further into the exhaust gas stream

    With this mod and the m50 manifold you would be looking at getting 250bhp

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