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  1. #1
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    E85 flex fuel for N52 Guys Only!! Sorry no N54 or N55

    Advanced fuel Dynamics has just released their ProFlex E85 add on system for the N52.

    https://www.advancedfueldynamics.com...-bmw-328i-n52/

    +16rwhp
    MILVs- +1mm Increase Intake Valve Lift for N52, N55, S55, N20 Engines
    http://www.bimmerboost.com/showthrea...ift-more-power
    www.bimmerMILVs.com
    Coming soon: +1mm lift Exhaust cam N52 and N55

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    Nice!

    I know a tuner who already did a E85 N52

  3. #3
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    This kit uses an ethanol sensor and is fully dynamic.
    You can use straight gas, blended with ethanol 20-70%, or even straight E85.
    No switching of tunes, all done automatically.
    Has android/cell phone % ethanol display in real time.

    E85 in a drum/5 gallons and dyno tuned for such/85% is not E85 at the pump. Problem comes when/if you run pump fuel and it is less than true E85.
    MILVs- +1mm Increase Intake Valve Lift for N52, N55, S55, N20 Engines
    http://www.bimmerboost.com/showthrea...ift-more-power
    www.bimmerMILVs.com
    Coming soon: +1mm lift Exhaust cam N52 and N55

  4. #4
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    Their systems are pretty popular and allow flex fuel automatically like you said.

    Wonder why they don't have an N54 version?

  5. #5
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    $900 for 16whp what a deal. $56 bucks a HP.

    I guess if it works for a FI SC N52 that is good news.

    Even on my car, I take it easy. It's just too loud to be enjoyable. <-- hah

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    Click here to enlarge Originally Posted by Torgus Click here to enlarge
    $900 for 16whp what a deal. $56 bucks a HP.
    It's an N52 dude... that's fantastic for that platform.

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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge
    MILVs- +1mm Increase Intake Valve Lift for N52, N55, S55, N20 Engines
    http://www.bimmerboost.com/showthrea...ift-more-power
    www.bimmerMILVs.com
    Coming soon: +1mm lift Exhaust cam N52 and N55

  8. #8
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    Increased power is only above 5200rpm. Probably due to pulling less timing.

    I looked into becoming a dealer for them which isn't too bad but when Summit sells their $899 stuff for $717 and free shipping, there was hardly any margin there for the investment. I would buy it from Summit myself.
    MILVs- +1mm Increase Intake Valve Lift for N52, N55, S55, N20 Engines
    http://www.bimmerboost.com/showthrea...ift-more-power
    www.bimmerMILVs.com
    Coming soon: +1mm lift Exhaust cam N52 and N55

  9. #9
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    They don't do DI. That's why no N54, N55 or B58 or any other newer models.
    MILVs- +1mm Increase Intake Valve Lift for N52, N55, S55, N20 Engines
    http://www.bimmerboost.com/showthrea...ift-more-power
    www.bimmerMILVs.com
    Coming soon: +1mm lift Exhaust cam N52 and N55

  10. #10
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    It's an N52 dude... that's fantastic for that platform.
    N52s are currently hitting 250rwhp with mods.
    Now maybe 265rwhp all naturally aspirated.

    For the few SC N52 guys, this could be really great.
    MILVs- +1mm Increase Intake Valve Lift for N52, N55, S55, N20 Engines
    http://www.bimmerboost.com/showthrea...ift-more-power
    www.bimmerMILVs.com
    Coming soon: +1mm lift Exhaust cam N52 and N55

  11. #11
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    My mapper can get me a flex fuel map for the 3.0si with exactly the same gains, wonder what he uses but he said direct ecu remap.

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    Click here to enlarge Originally Posted by CobraMarty Click here to enlarge
    They don't do DI. That's why no N54, N55 or B58 or any other newer models.
    Ah, only the N53 had DI and it was not sold in the USA.

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    2 out of 2 members liked this post. Yes Reputation No
    I’ve run 5 gal of e when I was running nitrous on my n52 without issue. Even when running it na, the engine has a noticeable pick up, but adding a flex kit for DD is useless unless of course your running the sc kit. Just an opinion, some felt 0 performance, I noticed a gain, the $700 spent for 16hp is just another reason the n52 is coming out.

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    Click here to enlarge Originally Posted by JuniorB Click here to enlarge
    Iíve run 5 gal of e when I was running nitrous on my n52 without issue. Even when running it na, the engine has a noticeable pick up, but adding a flex kit for DD is useless unless of course your running the sc kit. Just an opinion, some felt 0 performance, I noticed a gain, the $700 spent for 16hp is just another reason the n52 is coming out.
    In France, E85 means an economical fuel too so this conversion is quite profitable.

    where I live

    E85 is 0.59Ä per liter
    Sp98 (93) is 1.64Ä per liter

  15. #15
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    Click here to enlarge Originally Posted by JuniorB Click here to enlarge
    700 spent for 16hp is just another reason the n52 is coming out.
    Amen. The N52 is good for one thing, being a reliable daily driver. If you want to mod an E9X you go with an N54 or S65. The cost to SC an N52 is silly for the gains. You spend 8k to be the slower than an N54 with a free tune. The cars almost cost the exact same. Dumb as $#@! to mod an N52 in a E9X. Sorry to hurt any feelings.

    What is going in?

  16. #16
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    Yeah, Life is like a box of Chocolates...

    I don't like black cars, call me prejudice.
    4 doors cars are a waste, I prefer 2 doors and own more 2 door vehicles than 4 door vehicles, yet my daily is a 4 door.
    If you live in the NorthEast or anywhere where it gets cold and snows, RWD sucks. Only xi and AWD.
    Forced induction is great, I have 10 cars or trucks with either super or turbochargers on them. Love them and still love my naturally aspirated vehicles.
    If you want to add a free tune and up the power, Good for you but What is the skill in that?

    Everything is a balance, give and take, personal preference. Why poop on someone else's parade.
    We all own what we own.
    We all work hard for our money and want to spend it how we please. God Bless America!!

    Just saying.
    MILVs- +1mm Increase Intake Valve Lift for N52, N55, S55, N20 Engines
    http://www.bimmerboost.com/showthrea...ift-more-power
    www.bimmerMILVs.com
    Coming soon: +1mm lift Exhaust cam N52 and N55

  17. #17
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    If you wanted a 'fun' NA motor in the E9X chassis you would have gotten the S65 in the m3 right?

    I live in the NE and my E92 is RWD?

    There is no skill in a free tune on a 335i. There is also no skill in buying a SC for an N52 and paying a shop to install it and then load someone else's canned OTS tune and still being slower than a 100% bone stock 335i. Both cars basically cost the same except one has 8k in mods and is still slower and now no longer is NA.

    The N52 is a great reliable DD. But it's a dog of an NA engine. My N52 was slower than a herd of snails traveling through peanut butter.

    The N52 has a place in the market hence why BMW offered 3 engine options for the E9X chassis. People just need to accept it for what it is and what it does well and what it does not do well. Going fast is not one of them and a horrible $ per HP ratio when compared to the other engines that were available in the same chassis.

  18. #18
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    Click here to enlarge Originally Posted by Torgus Click here to enlarge
    Amen. The N52 is good for one thing, being a reliable daily driver. If you want to mod an E9X you go with an N54 or S65. The cost to SC an N52 is silly for the gains. You spend 8k to be the slower than an N54 with a free tune. The cars almost cost the exact same. Dumb as $#@! to mod an N52 in a E9X. Sorry to hurt any feelings.

    What is going in?
    I don't think you really understand.

    There are spec racing classes for the N52. It's cheaper to buy and maintain for racing where it is not about power but a level playing field.

    You can not get a ton of power out of it NA, yep, you're right. That's the point. Nobody can really cheat in a spec class.

    Also, DTM raced with less power than the N52 provides at one point. It's plenty of power for a track car and a reliable one at that.

    You look through things with a very narrow lens.

  19. #19
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    Yes the n52 is the engine of choice of racing teams. I have only seen 1 person who actually raced an n52 on the forums in the last 8 years. He is no longer with us. Must be super popular engine and chassis for racing. It is weird we dont see more n52 track builds isn't it? Have you ever covered one? What spec class does the n52 fit into?

    It is good for a DD that is about it. No reason to try and make it into anything other than that.

  20. #20
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    Click here to enlarge Originally Posted by Torgus Click here to enlarge
    Yes the n52 is the engine of choice of racing teams. I have only seen 1 person who actually raced an n52 on the forums in the last 8 years. He is no longer with us. Must be super popular engine and chassis for racing. It is weird we dont see more n52 track builds isn't it? Have you ever covered one?
    Things exist in the world even if I don't cover them.

    This forum is obviously about aftermarket power mods and not spec racing so that may answer your question.

  21. #21
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    Edit: Waste of my time and anyone's time to try and have a discussion with you.

  22. #22
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    Click here to enlarge Originally Posted by Torgus Click here to enlarge
    But why when there is an m3 in the same chassis?
    Seriously? I already explained this.

    Click here to enlarge Originally Posted by Torgus Click here to enlarge
    If it is such a good engine for spec racing why do I never read or hear about it? I assume insanely rare.
    Because you don't follow BMWCCA?

    There's an article about E46 Spec racing I wrote but I can't find it right now. They are racing M54's.

    Most guys are still in spec E36.

    By your logic they should be racing F80 M3's, right?

  23. #23
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    Click here to enlarge Originally Posted by Torgus Click here to enlarge
    Edit: Waste of my time and anyone's time to try and have a discussion with you.
    Why because I explained why people race the N52 to you?

  24. #24
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    It is what it is.
    I happen to like the N52 engine. I find the variable intake lift, Valvetronic mechanism, most interesting.
    100HP/L is a power benchmark for street driven/DD N/A engines. A mildly modded, bolt on N52 is there.

    And NO, a modified N52 is not to get a N54. But I don't expect any less from a N54 owner or crowd.

    Now the EWG N55 and B58 and S variants, now those are some motors. Valvetronic brothers.
    MILVs- +1mm Increase Intake Valve Lift for N52, N55, S55, N20 Engines
    http://www.bimmerboost.com/showthrea...ift-more-power
    www.bimmerMILVs.com
    Coming soon: +1mm lift Exhaust cam N52 and N55

  25. #25
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    Click here to enlarge Originally Posted by CobraMarty Click here to enlarge
    I happen to like the N52 engine. I find the variable intake lift, Valvetronic mechanism, most interesting.
    100HP/L is a power benchmark for street driven/DD N/A engines. A mildly modded, bolt on N52 is there.
    Yeah for hill climb or spec racing it's fairly cheap and easy to find and reliable. 100 hp per liter (which it can hit NA) is not terrible.

    It's not an S54 or S65 or even S52 but it's not garbage.

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