1998 E36 328i, green top injectors and a remap

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  1. 1998 E36 328i, green top injectors and a remap 
    #1
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    nemisis1985's Car Details
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    im being told by alot of people to get green top injectors for my car as they are better than my red tops
    i have also been told that my injectors are "maxing out " and is why im not getting the best from my car with the mods that have been done

    can some one shed some light on what i need and were to get it from asap please as i really want this sorted


    many thanks
     
     

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    xXxStKxXx's Car Details
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    Green tops are for the 325.Red tops came on the 328...no point putting on green tops if the red tops are "maxing out" as the red tops are bigger injectors then the green tops.Green tops are more than efficient on the 325 but people putting on red tops onto the 325 suffer from overfueling...Take what you will from that
     
     

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    #3
    rm1
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    what mods? generally injectors have quite a bit of spare capacity which is why it's a waste of time changing them unless you have done some major tuning.
     
     

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    #4
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    nemisis1985's Car Details
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    Quote Originally Posted by rm1 View Post
    what mods? generally injectors have quite a bit of spare capacity which is why it's a waste of time changing them unless you have done some major tuning.

    BBTB original throttle body and asc throttle body rebored out bigger
    Modified m50 325i inlet manifold
    software update for manifold and BBTB
    Schrick cams
    Rogue engineering under pullies
    ASA sk plus supercharger
    ASA oil cooler kit using mocal inline thermostate
    HKS mushroom airfilter inside front bumper
    supersprint back box
    supersprint decat pipe.



    Chassis

    Replica ac schnitzer wheels
    under body 4 point chassis brace
    front and rear strut braces were removed thats why the boot carpet has holes in it by the shock towers.
    e46 m3 front callipers
    e46 m3 caliper carriers machined to fit onto the e36 front struts
    e46 m3 drilled discs
    e46 m3 ebc green stuff front pads
    zimmerman 328i drilled rear discs
    ebc rear brake pads
    e36 m3 3.2 litre brake servo master cylinder and brake reservoir. This was done to improve the pedal feel after fitting the bigger brakes
    standard sport shocks with apex 30mm lowering springs

    exterior
    m3 front lip spoiler
    m3 gt corner splitters
    reiger m3 gt replica 2 piece rear spoiler
    reiger rear window spoiler
    ac schniter rear bumper diffuser
    m3 wing mirrors (passenger side heated glass did not work)

    interior
    m3 vadar seats
    e46 rear headrests
    m tec pedals, handbrake and gear
    carbon fibre centre console
     
     

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    rm1
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    ok the supercharger may mean you need uprated injectors. I don't know what are best for this car but it seems odd that the 325 ones should outflow the 328.
    Sorry can't be of more help.
     
     

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    #6
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    As said previously, going with the green injectors would be taking a step backwards.

    And when you say that "you've been told" that your injectors are 'maxing out', who is it thats saying this ? Not a mate down the pub I hope ?

    What is the injector duty cycle like as it stands ?
     
     

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    Quote Originally Posted by Ferret View Post
    As said previously, going with the green injectors would be taking a step backwards.

    And when you say that "you've been told" that your injectors are 'maxing out', who is it thats saying this ? Not a mate down the pub I hope ?

    What is the injector duty cycle like as it stands ?
    all i know is that the injectors are 21.5lb

    the guy that dino tested the car told me that and that they were maxed out
     
     

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    It would appear from your modification list that your running stock internals, and you'd have to be careful about the amount of boost you do run. I take it your running standard compression ?

    It might be best having a word with 'TheEnd', to get his input on this. As I don't believe that running limited boost on this engine would really push the injectors that much.
     
     

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    #9
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    TheEnd's Car Details
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    325 Injectors- light green
    13641730060
    Bosch number-
    0280150415
    18.1 lbs/hr, 190cc/min

    328I injectors - pink
    13641703819
    Bosch Number-
    0280 150 440

    23.8lb/hr 250cc/min
     
     

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    #10
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    Just done a quick check and 21.5's and 3.0 M3, which should be fine for up to 340-ish bhp.

    The standard 328 ones are bigger than M3s, so the largest easy to get hold of ones are 328 pinks.

    The M3 3.2 is 23lb/hr, but they are run at higher pressures (5 or 6 bar)
     
     

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