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  1. #51
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    Click here to enlarge Originally Posted by subaru335i Click here to enlarge
    Maybe if you wanted to put an N54 that you already had into some random chassis for as cheap as possible then it would make sense. But if you run the N54 as only port injection why not just use a better and more proven S54? Removing direct injection and everything then all you have leftover is an average open deck aluminum inline 6 with a $#@!ty selection of aftermarket components (cams, internals etc).
    The only reason an N54 is kinda special and worth anything is because of the sophisticated factory control and safeties. It is strong enough and cheap to get pretty good power but not all out 1000whp+ power.
    If you want to go all out it would be much better and easier to go with an older BMW motor...or your choice of any other better motor (american V8 or proven Japanese tuner motor).
    The people going for big power in the E9x chassis with the N54 can do so now with the factory DME and adding a controller for port injection. There is no reason to I can see to completely delete the factory DME and convert the N54 over to only port injection if you aren't trying to make it run in another platform on a budget.
    Agreed the DME is way more advanced that almost any aftermarket management solution. I was referring to a megasquirt just for the addition of Port Inject instead of say the Haltech or Split Second controllers being used. But looks like the Megasquirt pricing has gone up since last time I bought one.
    2008 135i - Cobb AP, JB4 G5 w/2Step&FSB, MS DP's, Berk street exhaust, AMS IC, VTT Inlets, UR Intake, ER CP w/Tial BOV, Spec 3+ & Steel FW, CDV delete, Quaife LSD, DSS Axles, M3 control arms, M3 rear SF bushings, M3 Trans bushings, SS brake lines. Pics

  2. #52
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    Click here to enlarge Originally Posted by brusk Click here to enlarge
    Agreed the DME is way more advanced that almost any aftermarket management solution. I was referring to a megasquirt just for the addition of Port Inject instead of say the Haltech or Split Second controllers being used. But looks like the Megasquirt pricing has gone up since last time I bought one.
    Ahh I see, yeah that is a good point you could probably get an older MS2 for real cheap now and use it instead of the Haltech or SS controllers for the piggyback PI control.
    It would be really cool if the JB4 could do everything in one box but that is probably not worth the redesign for Terry because the PI market is much smaller than the overall JB4 market.
    2007 Subaru STI - 20G/E85 - NF Tuned
    2011 335i 6MT

  3. #53
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    Click here to enlarge Originally Posted by subaru335i Click here to enlarge
    Ahh I see, yeah that is a good point you could probably get an older MS2 for real cheap now and use it instead of the Haltech or SS controllers for the piggyback PI control.
    It would be really cool if the JB4 could do everything in one box but that is probably not worth the redesign for Terry because the PI market is much smaller than the overall JB4 market.
    I thought that was something he was working on. Not at the top of his list but would be pretty easy to get JB4 to run the PI injectors. Hopefully it will be by bank so he can control trims easier. For the MS I was thinking MS1 but they are listed as the same price as the SplitSecond controller now.
    2008 135i - Cobb AP, JB4 G5 w/2Step&FSB, MS DP's, Berk street exhaust, AMS IC, VTT Inlets, UR Intake, ER CP w/Tial BOV, Spec 3+ & Steel FW, CDV delete, Quaife LSD, DSS Axles, M3 control arms, M3 rear SF bushings, M3 Trans bushings, SS brake lines. Pics

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