• E46 M3 and S54 turbo options set to open up thanks to ProEFI and the Pro128 computer

      Let's be honest, the S54 turbo scene has been dominated by Horsepower Freaks. That is not necesassrily a bad thing as they are a high quality option. However, there have not been any tuning options for those wanting to do their own turbo kit or perhaps go in a different direction. Well, ProEFI may be shaking things up considerably. ProEFI has released some initial details of their E46 M3 turbo setup using the Pro128 computer.

      As most of you know, the hardest part of doing a forced induction setup on a naturally aspirated BMW M motor is the tuning. Up until now HPF and their AEM setup was the only consistent solution for a turbo. Jason as ProEFI has demonstrated that an E46 M3 with a custom turbo setup (GT40) and a Pro128 computer has hit 573 whp at 9 psi on stock internals. Impressive? Yes.

      What are the specs on ProEFI's turbo M3? As follows:

      • GT40 Turbo with FMIC
      • E85

      • Flex Fuel Sensor allows for mixes of pump gas or E85

      • Traction Control

      • Stock clutch, exhaust, and intake manifold

      • 1000 cc injectors


      What does this all mean? Well, it means the S54 turbo market may be set to open up. This will no doubt drive costs down and allow for greater variety. Pricing information and further details will come for now we are incredible excited about the potential. Check out the video below:



      This article was originally published in forum thread: ProEFI-tuned Turbo M3 started by spdu4ea View original post
      Comments 313 Comments
      1. spdu4ea's Avatar
        spdu4ea -
        Are you going to be at Mfest?
      1. Jason S.'s Avatar
        Jason S. -
        Click here to enlarge Originally Posted by spdu4ea Click here to enlarge
        Are you going to be at Mfest?
        Yes.
      1. Apex Speed Technology's Avatar
        Apex Speed Technology -
        you can't beat the work the factory did on throttle response and overall smoothness of driving.
        I really like the work you do, but I just don't agree here. In my opinion, the stock fly-by-wire throttle maps leave a lot to be desired.

        -Neel
      1. Jason S.'s Avatar
        Jason S. -
        Click here to enlarge Originally Posted by Apex Speed Technology Click here to enlarge
        I really like the work you do, but I just don't agree here. In my opinion, the stock fly-by-wire throttle maps leave a lot to be desired.

        -Neel
        Neel, I think your missing the point. Where you and I dislike what the factory did... you have to (to a point) appreciate why they did it. It's that way for the 'general public'. I love Throttle response...can't have too much of it. But when BMW first came out with the drive by wire on the 7 series...customers complained of too much throttle response, and the vehicles were reflashed to 'tone it down'. So it's a balancing act. I think damn near every car should look like a Ferrari 430, or a Lamborghini Mercialago... but MOST people like cars that are practical, and can carry groceries etc... etc.... So the manufactures try and make their cars appealing to the masses, especially 3 series bmw's that's the largest part of the market. So you can't put a guy in his midlife crisis who has been driving a minivan for his entire adult life into an M3 that isn't atleast somewhat docile when driven in bumper to bumper traffic on the freeway to and from work. They wouldn't sell near enough to make it worth building the car in the first place. THANK GOD FOR SPORT MODE! Click here to enlarge I have a buddy who works for Toyota/Lexus Powertrain group, his job is to drive every car Toyota/Lexus makes for 4 weeks at a time then rotate. He then reports back to Toyota/Lexus any drivability issues, and he has qualifiers they have to meet. Having a nice long conversation of why...why...why, you start to get the picture. Drivability isn't just what I like, or you like, it's what the general public can 'drive' without stalling when pulling away from an intersection, or driving in heavy traffic, or rearending the car in front of you because they think they still need to move the throttle as much in their new M5 as they did in their Caravan. Click here to enlargeClick here to enlarge
      1. Bugermass's Avatar
        Bugermass -
        I've been reading through the posts and wanted to comment. I've dealt with MANY different EMSs on various vehicles and since we've started using ProEFI on our customer cars and shop race cars we really have no reason to use anything else. So far on ProEFI we've done quite a few supras, a couple hondas, a couple 240SXs, a turbo S2000 powered AE86 Corolla (Will Parsons NST Drift Corolla), and turbo 2008 ZX10R. We currently have a VW GTi 1.8T, Shop E46 M3, MazdaSpeed 3, Twin Turbo Lexus ISF, RB26 Powered Drag 240SX, 1000HP Shop Drag RSX, Twin Turbo E85 Power Cobra, possibly a twin turbo dodge charger, and probably one or two I missed in line to all be fitted with ProEFI systems. We are also AEM and Haltech dealers, but again, we feel the system, the support, and the people behind the scenes that make ProEFi what it is has a combined value greater than any of the competition. I've even called Jason and Adam on the weekends after hours when I had trouble figuring somthing out, and they always get me taken care of.

        A top notch EMS, with top notch Support, its pretty much a no brainer.
        I think HPF adopting ProEFI as their new standard EMS for their kits would be a wise move. Its lightyears ahead of AEMs current offerings.


        Chris Delgado
        (Tuner at Secret Services Auto)
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Bugermass Click here to enlarge
        I've been reading through the posts and wanted to comment. I've dealt with MANY different EMSs on various vehicles and since we've started using ProEFI on our customer cars and shop race cars we really have no reason to use anything else. So far on ProEFI we've done quite a few supras, a couple hondas, a couple 240SXs, a turbo S2000 powered AE86 Corolla (Will Parsons NST Drift Corolla), and turbo 2008 ZX10R. We currently have a VW GTi 1.8T, Shop E46 M3, MazdaSpeed 3, Twin Turbo Lexus ISF, RB26 Powered Drag 240SX, 1000HP Shop Drag RSX, Twin Turbo E85 Power Cobra, possibly a twin turbo dodge charger, and probably one or two I missed in line to all be fitted with ProEFI systems. We are also AEM and Haltech dealers, but again, we feel the system, the support, and the people behind the scenes that make ProEFi what it is has a combined value greater than any of the competition. I've even called Jason and Adam on the weekends after hours when I had trouble figuring somthing out, and they always get me taken care of.

        A top notch EMS, with top notch Support, its pretty much a no brainer.
        I think HPF adopting ProEFI as their new standard EMS for their kits would be a wise move. Its lightyears ahead of AEMs current offerings.


        Chris Delgado
        (Tuner at Secret Services Auto)
        Your perspective is appreciated.
      1. Commanderwiggin's Avatar
        Commanderwiggin -
        I would definitely be interested in trying out the ProEFI "HPF Approved" version...I dunno mabe we can all talk together about this at Mfest but I would volunteer my car for a locked/tuned version installed and tuned at HPF in Portland by yourself "Jason" pending warranty and of course availability. And I would not be utilizing the e85 setup but would instead be keeping my Methanol and utilizing the better safeguards available including the turbo back pressure sensor and anything to help improve the safety. We'll have to see I guess...just throwing it out there Click here to enlarge
      1. ccsykes's Avatar
        ccsykes -
        Click here to enlarge Originally Posted by Bugermass Click here to enlarge
        Chris Delgado
        (Tuner at Secret Services Auto)
        You guys are in Houston right? Having a ProEFI tuner in Houston might nudge me in that direction. I'm going to eventually want to do some custom stuff with my stage 3 kit.
      1. Jason S.'s Avatar
        Jason S. -
        Secret Services has been doing an excellent job for us in Texas. They have worked on some pretty trick projects down there as well!
      1. Bugermass's Avatar
        Bugermass -
        Yes sir, we are located in houston.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by ccsykes Click here to enlarge
        You guys are in Houston right? Having a ProEFI tuner in Houston might nudge me in that direction. I'm going to eventually want to do some custom stuff with my stage 3 kit.
        Looked it up and Secret Services Auto is in Houston if you want to go that route.
      1. Apex Speed Technology's Avatar
        Apex Speed Technology -
        Where you and I dislike what the factory did... you have to (to a point) appreciate why they did it.
        I've worked in OEM calibration and what the factory does is first biased toward emissions and second towards fuel consumption. When you modify these cars, you need more power to make changes. I just worked on a high-compression/big cam S54 last week - the 3rd car in 3 weeks that we replaced a stock re-flash on with a Pectel kit. The differences are astounding.

        I think there's room in the world for piggybacks like Pro-EFI, but there's a limit to what you and do with them.

        -Neel
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Apex Speed Technology Click here to enlarge
        I just worked on a high-compression/big cam S54 last week - the 3rd car in 3 weeks that we replaced a stock re-flash on with a Pectel kit.
        Any further details on this? Would love to see what that NA motor put down and more details.
      1. Apex Speed Technology's Avatar
        Apex Speed Technology -
        We just did a bone-stock NA motor for Schumacher racing last week. It was their second S54 project with us and put down 325hp at the wheels on DC Performance's Dynapak. To give you some perspective we did a Dodge 6.1L Hemi, running all open exhaust and intake and it put out 330 on the same dyno.

        Here's the car we did in Toronto later in the week, its Mark Marquis's E36/S54 with a high compression motor and aftermarket cams. I'm not sure what else has been done yet, and we just got it running and prepped for the dyno. The car was built by Raven Performance, who we're also doing an S65/E92 race car with.

        Both cars features Pectel SQ6 ECUs with integrated ABS/Traction Control, knock control, pit lane speed limiters, driver-selectable multiple throttle maps and our custom plug & play harnesses.

        Attachment 7633
      1. GG///M3's Avatar
        GG///M3 -
        e36 with a s54. light weight and rape.Click here to enlarge
      1. Jason S.'s Avatar
        Jason S. -
        Click here to enlarge Originally Posted by Apex Speed Technology Click here to enlarge
        I've worked in OEM calibration and what the factory does is first biased toward emissions and second towards fuel consumption. When you modify these cars, you need more power to make changes. I just worked on a high-compression/big cam S54 last week - the 3rd car in 3 weeks that we replaced a stock re-flash on with a Pectel kit. The differences are astounding.

        I think there's room in the world for piggybacks like Pro-EFI, but there's a limit to what you and do with them.

        -Neel
        Show me. Post up the dyno comparisons.
      1. Sorena's Avatar
        Sorena -
        that's a serious looking race car.
      1. Apex Speed Technology's Avatar
        Apex Speed Technology -
        Show me. Post up the dyno comparisons.
        If you're evaluating your builds on dyno charts you're missing the point entirely. Cars don't make any more power on the dyno with Pectel as they would with Pro-EFI, reflashed stock ECUs or any other capable ECU for that matter. We have gone the direction we did because in the real world our solution operates better than any other we've seen.

        The difference is that with a fully programmable ECU, one has FULL CONTROL of all compensations, failsafes, throttle curves and VANOS operation. Initially, this leads to more consistent and safer operation, but with modified engines (especially high-compression, big cam or forced induction) the benefits are much greater, as you can tailor your VANOS, drive-by-wire & knock control to take advantage of these modifications. You also have a lot more functional integration - your boost control, water injection, knock control, traction control functions all interact. On top of all that, you have very powerful data acquisition of specific functions that is race-car appropriate - not just things like TPS and RPM, but items you need to diagnose problems like VANOS solenoid duty cycles & drive by wire PID terms. To the average customer this may not sound like much but when you can diagnose an issue with a race car in 30 seconds it can save a weekend.

        Jason, I have nothing against the Mototron ECUs that you use with Pro-EFI - as I've said my old research group used them extensively, and I have colleagues at Argonne National Labs & the US Department of Energy that still do. But its a piggyback, the MotoHawk software development can be a lot of work. It doesn't have the kind of integration capabilities of a true standalone. It was designed to be used as an OEM development ECU, and what you see as virtues with that I've found to be vices.

        That said, I think the product you sell is perfectly appropriate for people who feel the level of control you provide is all they need, and they're comfortable dealing with the stock ECU for the rest of the engine's operation.

        -Neel
      1. Apex Speed Technology's Avatar
        Apex Speed Technology -
        Let me add one more point - for relatively sedate street cars, I think that piggybacks like Pro-EFI are a good solution. My comments apply to swap cars, high-boost builds and track-only cars, where the demands are much higher and flexibility is a necessary asset.

        -neel
      1. Bmxpert86's Avatar
        Bmxpert86 -
        I have been patiently waiting to see how this works out with the HPF guys. It's the only reason I have not bought a kit already. I wonder if adding a turbo setup would speed up the VANOS bolt issues that are prone to failure on the s54.