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  • AdminTeam's Avatar
    Today, 01:36 PM
    Welcome willkoolee, take a look around, I think you will like what you see.
    0 replies | 5 view(s)
  • subaru335i's Avatar
    Today, 10:10 AM
    Yikes...the owner of the car certainly is stupid as fuck for just throwing the stage 2 tune on a stock car because the stage 1 didn't feel different enough. I can kind of see PTF's side that isn't really their fault but maybe they need to be more clear in their marketing not to put the stage 2 on without supporting mods. Maybe PTF didn't offer good enough support but Sticky I think you are far too quick to put all the blame on the tuner (here and in past posts). I get you want to get information out there but 9/10 times when some owner says "X tuner blew my engine" there is WAAAAY more to the story and the majority of the blame falls on the clueless owner or a shady shop. Just my $0.02
    4 replies | 656 view(s)
  • AdminTeam's Avatar
    Today, 09:43 AM
    Welcome mrnuke, take a look around, I think you will like what you see.
    0 replies | 9 view(s)
  • Stevenh's Avatar
    Today, 09:36 AM
    I was recently catless for about two weeks. My girlfriend was driving behind me one day and mentioned my car reeked of exhaust which I find to be pretty embarrassing. I love fast cars, but my days of loud exhausts and fumes are long behind me. I put the secondaries back in, the smell is gone, and the butt Dyno noticed zero difference.
    20 replies | 1827 view(s)
  • mc78's Avatar
    Today, 08:32 AM
    mc78 replied to a thread N54: Boost problem at 20 psi in N54, N55, N52
    Map Sensor is N20. I will tune it on my own, with mhd on android and tunerpro.
    5 replies | 45 view(s)
  • tisdrew2's Avatar
    Today, 08:23 AM
    tisdrew2 replied to a thread N54: Boost problem at 20 psi in N54, N55, N52
    What tune is it? What map sensor do you have? Stock one is out of calibration/range around 21psi iirc.
    5 replies | 45 view(s)
  • SJ_1989's Avatar
    Today, 07:53 AM
    SJ_1989 replied to a thread N54: Boost problem at 20 psi in N54, N55, N52
    Post a link to your log and list your modifications. It will help.
    5 replies | 45 view(s)
  • robnitro's Avatar
    Today, 07:50 AM
    robnitro replied to a thread N54: Custom TCU flashing in N54, N55, N52
    For those who want to tune themselves I have found the alpina b5 e60 file which uses the same 6hp26/28 as the v8 and diesel i6 engines. It's for tunerpro use only as I was able to convert the 0da to bin and then aligned to the maps identified in the tunerpro xdf. The alpina b3 files out there are for 6hp19/21 transmissions and have different pressures and torque limits than 6hp26/28. cant post links so copy and paste removing https:// anonfile.com/H2jai1f8n6/alpinab5-e60sat-e70usaBINS_zip https:// anonfile.com/P599z1f4ne/xhp-xdf6HP_HW_7591971_7591972_xdf here's the xdf with a few extra tcc maps added which are supposedly for the manual modes "tccnt#" which I haven't tested but was pointed out by rjahl. Interested if anyone has updated xdf's... supposedly there is one that has an xdrive limit?
    158 replies | 60880 view(s)
  • DRS's Avatar
    Today, 06:30 AM
    Since I'm an engineer, I always wanted to make things by my own :D I got the BM3 and started to make my own tune instead of just taking the OTS map, since there are no informations what is how tweaked, just a +- HP gain :sleeping-yellow: From my POV its hard to start with, cause BM3 use non common nomenclature for the maps. I asked them to provide the BOSCH IDs or something similar, but they refused. They suggest people would know what the maps are for, if they look on them :eusa-clap: So I created different maps, two I want to share and maybe I get some hints / advices :handgestures-thumb: Tune 1.5 is pushing really hard (to hard?) and I get bouncing boost when pushing in fixed gear from low rpm. Tune 2.0 runs very smooth but boost target will not be reached. One of the main differences between these two maps is "Boost Control - Turbine Thrust Setpoint (kW)". Im curious if this table is somehow WGDC base: x - mass flow in kg/h, y - pressure ratio, z - wgdc in % :think: Greetz
    0 replies | 12 view(s)
  • mc78's Avatar
    Today, 06:12 AM
    mc78 replied to a thread N54: Boost problem at 20 psi in N54, N55, N52
    no upgrade turbo
    5 replies | 45 view(s)
  • AdminTeam's Avatar
    Today, 05:46 AM
    Welcome to a real enthusiast forum JohanF.
    0 replies | 6 view(s)
  • AdminTeam's Avatar
    Today, 05:08 AM
    Welcome RobDawg, take a look around, I think you will like what you see.
    0 replies | 9 view(s)
  • AdminTeam's Avatar
    Today, 04:29 AM
    Welcome Daniele, take a look around, I think you will like what you see.
    0 replies | 7 view(s)
  • F87Source's Avatar
    Today, 04:12 AM
    Do you realize how hard it is to pick up even a tenth of a second on the track? Every bit of weight savings counts. The more weight that is saved the more balanced the car feels in corners, the easier it is to transition apex to apex without feeling like the car is fighting back due to the less mass being tossed around. 64lbs is a huge weight savings for a car, where else can you pull 64lbs? That's more weight savings than a full titanium exhaust, or a back seat delete in some cases. You seriously don't understand the whole point of weight savings and how hard it is to lose any time on the track as indicated when you wanted a "DRASTIC" change in time. If you don't think that 64lbs is a significant weight loss what do you propose (1 item) to remove from the car to get an equivalent weight loss? Why else would every car manufacturer be concerned with weight when you act like weight won't cause any performance increase on the track. The way you talk leads me to believe you have no experience driving an extremely light weight car on the track. If you have ever driven an MX5 you would understand the value of having a light car. I've seen testers out lap a hellcat with an mx5, so that should show you weight is very important vs just having outright power and ignoring weight. I believe the hellcat even has a better power to weight ratio than the mx5 (i might be wrong), but there is no ignoring that mass around corners. That's why fuel tanks have charcoal filters so the fumes do not escape into the environment. It's not the fumes in the tank that ignites in an accident it's what happens when the fuel escapes into the environment. When gas spreads over the track or any surface it increases the surface area of the fuel and thus allows increased evaporation making it easier to ignite. When the larger the pool the more gas evaporates in a larger area making it easier for any spark to ignite. Again the risk isn't a fire starting in the gas tank if the tank isn't breached or no fuel is leaking you'll be fine. It's when the fuel spills out, in a crash you have exposed electrical wires, hot brakes, etc. The fuel tank is designed to hold fuel safely so there isn't a huge risk there, it's when the car rolls over and the fuel can escape from the breather (if there is no roll over valve), damaged fuel lines etc. You can't compare a cylinder bore to this either because there is limited oxygen inside of a cylinder bore compared to the amount of oxygen in the environment when there is a spill. Overall when fuel is contained in the tank there is a very low risk of combustion as there are not many sources to ignite it. The issue is when it escapes, and guess what if you have a full tank of gas spewing fuel and some of that fuel spewing out catches on fire, where do you think the fire is going to head next? That's right your full tank of gasoline... Better to have 6.5L - 13L of gas than 52L. Now if you don't have anything to contribute to the fuel starvation issue on the track, please refrain from cluttering the thread since this is an issue that track guys (the low number of us that are present) actually face.
    11 replies | 104 view(s)
  • Urmom's Avatar
    20 replies | 1827 view(s)
  • Urmom's Avatar
    Today, 03:41 AM
    Urmom replied to a thread N54: Boost problem at 20 psi in N54, N55, N52
    Mods ? Stock turbos ?
    5 replies | 45 view(s)
  • AdminTeam's Avatar
    Today, 03:37 AM
    Hey Vik_335: :text-welcomewave:
    0 replies | 6 view(s)
  • mc78's Avatar
    Today, 03:29 AM
    mc78 started a thread N54: Boost problem at 20 psi in N54, N55, N52
    I have problem to target 20 psi with my n54. I have a pic of my log. What i do wrong ?
    5 replies | 45 view(s)
  • Urmom's Avatar
    Today, 03:10 AM
    64 lbs is weight, but hardly enough to make a DRASTIC change in time. More fuel in a tank = less fumes. Fumes is what actually ignites in most accidents. More fuel = more fuel to feed the fire, not how the fire actually starts. Feed a motor too much fuel, what happens ? It FLOODS. It does not ignite. Why ? Not enough oxygen. Same with a gas tank. 1/4 tank has more air vs full tank. Which is most likely to ignite ?
    11 replies | 104 view(s)
  • Vbp6us's Avatar
    Today, 02:54 AM
    Vbp6us replied to a thread N54: DP Fix Bypass Switch in N54, N55, N52
    Are the instructions for how to build it? Thanks
    44 replies | 9111 view(s)
  • Vbp6us's Avatar
    Today, 02:52 AM
    Vbp6us replied to a thread N54: DP Fix Bypass Switch in N54, N55, N52
    Please do share! vbp6us@gmail.com Thank you!
    44 replies | 9111 view(s)
  • F87Source's Avatar
    Today, 02:35 AM
    52L of fuel in the m2 at 0.75kg/L of fuel is 39kg, at 1/4 of a tank which is 13L and 0.75kg/L it is 9.75kg that is a weight savings of 29.25kg or 64.5lbs. If that is not a huge weight savings I don't know what is.... Next we talk about safety which is another factor, the less fuel in the car the less chance there will be a spill or a flame in the event of a crash or roll over. So not sure why you would rather have a full tank vs. a 1/4 for safety, that's pretty illogical.... In terms of running out of fuel that's not likely unless you're on a huge track like the ring which is 26km, and at a really crappy fuel economy of 30L/100km (the worst I've seen on track is ~25L/100km) you would need 7.8L to complete the track, so 13L of fuel at 1/4 tank is more than sufficent and almost enough to make the run twice. Some people even run 1/8 of a tank of gas for even more weight savings on smaller tracks, it all depends on how long the track is and what your average fuel economy is. Most people would fill their car to the bare minimum required to do the lap (or how ever many laps you require) and add 1-2L of extra fuel for a warm up and cool down lap. I just did the calculations based on your suggested 1/4 tank. So those are two pretty significant advantages of running less fuel at the track, I'm not sure why you would say otherwise without any proof or background context.
    11 replies | 104 view(s)
  • Urmom's Avatar
    Today, 02:11 AM
    Urmom replied to a poll N55: Precision vs vtt N55 turbos in N54, N55, N52
    Lmao !
    4 replies | 195 view(s)
  • Urmom's Avatar
    Today, 02:08 AM
    PTF sucks balls. I just helped a guy 2 weeks ago on another site. He was having issues. Looked at his logs and told him it was tuning related. He said it was pro tuned and they said a buncha parts were at fault. He spent quite a bit and was lost and upset. After us going back n forth, he ditched PTF (I did not know at this time who was doing the "pro tune") and went with another tuner. He said in the first revision, all his problems were gone and thanked me.
    4 replies | 656 view(s)
  • Urmom's Avatar
    Today, 01:52 AM
    The weight savings is NOT huge and Id rather have a full tank than a 1/4 tank as far as safety goes.
    11 replies | 104 view(s)
  • F87Source's Avatar
    Today, 01:35 AM
    Also I doubt radium would make it for the F series, again for the reason people are buying this for high acceleration drag racing and since the n55 isn't making n54 power levels it'll take awhile until this makes it to the F series. Likely the only saving hope would be the s55 brining it to the F series if it is even compatible with the n55.
    11 replies | 104 view(s)
  • 93siro's Avatar
    1 replies | 221 view(s)
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