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  • Slicksilver's Avatar
    02-25-2015, 01:22 PM
    Hello everyone. I’ve been working on a project for the N54 community for a couple months but had not announced it since I wanted to be sure the concept was feasible. I have done enough now to know the concept is good so ready to share my R&D progress with the community. Description It is a TD04L-20T with true 20T native compressor housing. The 20T mistubishi profile compressor wheel is a forged billet wheel with extended tip technology from BorgWarner. The Turbo consist of a TD04 bearing housing modified to connect to stock oil lines, coolant lines and stock turbine housing. The turbine housing has been modified to accept the TD04L turbine and flange up to the TD04 bearing housing. The kit will include upgraded inlet pipe system and also charge pipe system optimized for the high flowing native 20T compressor housing which is over twice the size/flow of stock compressor housing. This will make sure the turbos are flowing to their maximum potential along with the upgraded plumbing for the turbo included. This turbo can push up to 35psi of boost and not sure what the actual WHP will be on the N54, but with proper fueling and meth cooling should be in the 750whp-800whp range theoretically at those boost levels near redline according to estimated compressor map and turbo HP calcs. Schedule Current schedule is to finish development of the prototype set in 1 month and install on my car and test and tune/dyno and then get them on 2-3 beta testers cars by April or May. If all goes well, start selling the kits to you all in 3-4 months and start it off with a discounted group buy of 10-20 kits or so (depends on demand). I have completed my test fit on an N54 motor and finalized the designs for the wastegate actuator mounting and modifications and charge pipe (turbo to IC) design as well as making sure everything is going to fit on the engine. Everything went perfect on the fitup of the turbo to the engine so that’s when I decided it was time to start sharing R&D progress with the N54 community. Testing On my prototype system I plan to do dyno test and tune and push them to the maximum as I will have all the supporting fuel mods needed. I will be doing full logging of course. In addition, I will be doing custom turbo logging never before seen on the N54. Not only will I be logging EGT and backpressure (done before) to check health of the turbine but also I will log pressure and temperature at the turbo inlet and also at the turbo outlet which will tell me exactly what pressure ratios the turbo is working at and also at what efficiency. This compressor logging has never been done to my knowledge on the N54 but is the only real way to understand the compressor health during turbo operation. Quality The turbos are purchased from a large turbo supplier. I bought the CHRA from them to my specs which were basically TD04 bearing housing with 04L turbine and 20T billet 6x6 compressor wheel with extended tip technology from BorgWarner (for more boost, google it). Pics Now some pics to show you some progress
    62 replies | 1823 view(s)
  • Ingeniator's Avatar
    02-22-2015, 06:01 PM
    Anyone have more info. Where you able to keep factory DI, cluster etc. or did you have to swap a bunch of stuff out. Any info Jake or Allen? MOTIV Motorsport @jake@PTF rader1
    38 replies | 1007 view(s)
  • Tony@VargasTurboTech's Avatar
    02-22-2015, 03:21 AM
    Did a quick overlay of the latest Motiv ST JB graphs with the Ghosts Stage 2+ results. The results are as close to apples to apples as you are going to get. Both cars are running A JB4, the BMS PI system which mean fueling is a direct comparsion, both are running very similar boost levels, what we get is interesting to say the least. At about half psi less at redline 2+ makes the same power, they spool quicker with more grunt under 3500, and with slightly less boost they make very near the same power through out the rev range. These are completely independent results, so its pretty interesting. Secondly I overlaid our Stage 2+ testing, with much more timing, near same low end boost, and 3 psi less at redline. The results are a much faster spool, a much broader midrange punch, and slightly more power on less boost. Its pretty cool to see the stock frames basically match the power of a kit that cost almost twice as much, while making more power down low. The N54 is getting very interesting these days...:eusa-clap:
    18 replies | 758 view(s)
  • ChuckD05's Avatar
    Yesterday, 12:02 PM
    Has anyone replaced their o2 sensors? If so, where did you find them at the best price? Also has anyone used anything except for the OEM ones from BMW? Any other replacements out there worthwhile? I have an odd 1 point different from bank 1 to bank 2 on my logs last night, and haven't began troubleshooting yet but I am just curious on the o2s because they've been in and out of my car way too many times and at 60k wouldn't be a bad idea to change anyway. Thanks for any help in advance.
    10 replies | 139 view(s)
  • 93siro's Avatar
    02-24-2015, 02:57 PM
    93siro started a thread P30FF Code in N54
    Hi, I know search is my friend. But i really need your help to figure this problem out. Im getting p30ff code very often lately. This situation happens only on WOT and in lower rpms. When i floor it sometimes the car pulls just like fine, but sometimes it drops boost and throws p30ff code afterwards. Blamed it on the map at first which was cobb stage 2 fmic and went back to stage 0, thought my meth setup wasnt helping the situation so turned it off as well. Unfortunately this problem still was there but not as noticable as before. It drops boost sometimes mostly when you floor it in higher gears in D mode (car is a dct) and after a downshift, boost drops to 4-5 psi. Could it really be a leak? On part throttle crusing even when it gets 17 psi of boost there is absolutely no sign of boost drop but if you push the pedal further there might be a chance of dropping boost immediately. The nature of having a leak on wot and not getting it on part throttle doesnt make sense to me. Do i have a bad fuel pump? Or should i concern about seleniod valve/actuator/wastegate? Thanks in advance Btw The car is a 2011 z4 35i dct Has intake Fmic CP DVs OCC Aquamist with two nozzles Cobb ots maps
    10 replies | 178 view(s)
  • I6+TT=FTW's Avatar
    02-24-2015, 01:39 PM
    Good morning Gents, I figured I would ask you all what you thought, as many of you should be good with money, since this is a BMW forum. I have had a change in thinking when it comes to personal finance/debt/cars etc. Recently got married, and realized all the things I should be saving for, and how having ANY debt isn't a good thing when trying to achieve those savings goals. Still owe 10ish on the 335xi, 85k miles, and am worried that something expensive is going to go soon (turbos alone would be a killer to the budget). If I sell her, I could pay off the loan, and have enough cash to get a cheap suv/truck with a much smaller loan that I plan to pay off ASAP, and eventually have enough cash to also buy a toy. I love the look of the e36 m3 coupes, but am worried if it will ever be as fast as the 335xi? And would a higher mileage e36 m3 just be a money pit MORE so than my current bmw? I've seen some in the $5-7k range, but shit ton of miles. Thanks as always..
    10 replies | 130 view(s)
  • Sticky's Avatar
    02-23-2015, 05:50 PM
    BimmerBoost member IMHOWTFFTW recently added some performance parts to his F82 M4 and got the car dyno'd before and after. He purchased the Active Autowerke Active-8 S55 tuning module and also added Zima ceramic downpipes to improve the engine breathing. His baseline on a Dyno Dynamics was 433.3 wheel horsepower. This particular Dyno Dynamics is reading fairly high and seems to be set to read like a Dynojet. What is important to focus on is not the peak figures but the gains. And what nice gains they are. The Active Autowerke Active-8 tune provides a torque gain throughout the entire curve. Peak torque goes up to 520 lb-ft at the wheels. That will provide a nice kick in the pants at 3500 rpm. The peak horsepower gain is 54.2 at the wheels but peak horsepower does not really tell the story here. The torque curve drops off toward redline so you see major gains with the BMW M turbo motors far earlier in the powerband. Thank you to IMHOWTFFTW for doing independent testing and getting a baseline dyno. Very useful for data for those considering tuning their M4 (and tuner friendly it is).
    6 replies | 71 view(s)
  • SportSedan's Avatar
    02-23-2015, 05:36 PM
    Hi Guys, I am new to the forum and desperately need your expert advice. I am finally looking into purchasing my first German car and I can't be more excited! I live in Ontario, Canada and currently drive a Dodge Avenger SXT (Boring!!). But I am torn on the age old question..... BMW or Mercedes?? I am trying to decide between a used 2011 or 2012 C-Class or 3 Series but I just don't know what to get. Please help me answer these questions: - Which one is better for driving in the snow? - Which one tends to break down more/require more maintenance? - Which one costs less to maintain? - Do either of them come with built in XM Satellite Radio or Bluetooth? (Dodge has both and is a huge selling feature for me) - Overall, what do YOU feel is the better model/brand? Thank you guys, looking forward to hearing from you!
    7 replies | 107 view(s)
  • DavidV's Avatar
    02-21-2015, 08:38 PM
    The Mc LAren P1 is insanely fast. How fast compared to a Z06? Just watch this clip. Admitted, the Mc Laren driver sucks, but that thing is flying.
    3 replies | 234 view(s)
  • mj6234's Avatar
    02-22-2015, 09:50 AM
    mj6234 started a thread P30BB in N54
    OK, I just finished installing my Vargas Stage 2+ turbos. After firing the car up, I am now getting a P30BB (injector, power level 2) code. After clearing the code it comes back immediately after I turn the car on, even before starting it. I don't think the code could be related to the install. I have a 2008 335i (12/07) build date, manual transmission. The code doesn't seem super common, but from what I can tell it can be a sign of a MOSFET failure on the DME. Can anyone else that has gotten this code confirm that this was the solution? I see that is still up and offers a repair service (and specifically mentions P30BA and P30BB as the codes that their service fixes). Any user reviews? Sending the DME to them is something I am considering. I just want to make sure they are reputable.
    4 replies | 116 view(s)
  • duracell8's Avatar
    02-23-2015, 03:32 PM
    I followed a link here from another site to download the bimmerboost N54 flash tuner software. After downloading, which takes about 3 seconds, i attempt to unzip the files and states invalid, no files found. Any suggestions? I sent sticky a message. Thanks in advance
    4 replies | 110 view(s)
  • Jens's Avatar
    02-22-2015, 09:56 AM
    3 replies | 159 view(s)
  • AdminTeam's Avatar
    02-21-2015, 12:15 AM
    Welcome Telion, take a look around, I think you will like what you see.
    2 replies | 214 view(s)
  • NniftyFour's Avatar
    Yesterday, 02:46 PM
    Hey so a friend of mine has a 3/07 E90 he tried to update his map without a charger voltage dropped too low and he got recovery mode. Flashed his original read file, He got a DAF/PAF mismatch for some reason and BB flash app cant authenticate his control module. So I fired up WINFKP and flashed his DME to the newest update. He's back to stock but BB flash still wont connect. When you ID it actually doesn't get a voltage reading or ECU status message. Did BMW block us out in the newer datens? (i'm running at least 50.2, maybe 52 if its out for us but at least 50.2) I did the ZB update procedure in WinFKP and it put the car up to 7611397. The old ZB number was in the 757xxx range I think it was the original plant flash. If someone could post up whatever file I need, I don't have the best Internet speeds here so getting the daten would be a pain. Appreciate it.
    4 replies | 97 view(s)
  • Ingeniator's Avatar
    Today, 03:45 AM
    I thought at first it was only blue and black. But now I've seen the same image change colour. I can make it flop it seems by scrolling on this NP article. Vice has a good article also.
    4 replies | 77 view(s)
  • Jeff.GII's Avatar
    02-24-2015, 06:10 PM
    Jeff.GII started a thread For Sale: Cobb Accessport V2 for N54 in Buy/Sell - Parts
    Selling my Cobb AP V2. for N54. Used for about one summer and loved it. I am going a different route with my build and it won't be needed. AP (unmarried) + cable: shipped $500.
    3 replies | 112 view(s)
  • Sticky's Avatar
    Yesterday, 04:26 PM
    You may notice some of the front pages are incomplete or missing articles. The forum software was upgraded so I will have to manually reconfigure some things. On the bright side we should have many bugs resolved. Just be patient as I update the front pages manually back to how they were.
    3 replies | 49 view(s)
  • Sticky's Avatar
    02-25-2015, 04:25 AM
    From the producer of Dredd which was an awesome movie itself:
    1 replies | 98 view(s)
  • e92ttking's Avatar
    02-23-2015, 12:06 AM Please email me with any questions! Thanks!
    1 replies | 66 view(s)
  • iCstyle's Avatar
    Today, 09:31 AM
    Hi all! I have a 335i, N54, DCT with JB4 G5 ISO, everything else is stock, and still under warranty. I'm only interested in running normal fuel on map 5, not planning on doing E85 or Meth etc. 1. I'd like to do the backend flash, because I read that it makes the DCT shifts more smooth under WOT, and kickdown should be working better, since with backend flash the DME and transmission knows about the real load. Is this true? 2. I read that using SLD-wires for Vmax will void BMW warranty, because it's detectable. What about the backend-flash, I read it also disables Vmax-limit. Is it detectable by BMW? Or is it fine when I don't hit more than 250 kmh? 3. On daily driving I'm disabling JB4 (map 0), because stock power is fine then and I want to prevent wear and stuff. Is that ok? 4. Now I read that on ISO-boards, map 0 is not anymore real pass-through. Is that true? Is it just the boost that's still controlled by JB4, but targets boost from DME? Is there any measurable in power/boost difference between JB4 map 0 and no installed JB4, like more or less? 5. What about backend flash + map 0? Is it normally usable in daily driving, like stock? Thanks in helping me out with my questions! Greets
    1 replies | 34 view(s)
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