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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Procede installed



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      07-12-2009, 07:10 PM   #23
cstmx_ryder
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Quote:
Originally Posted by per View Post
A friend of mine had the same problem, the solution for him was to change the injektors.
Do you know if that is covered under our warranty?

TIA
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      07-13-2009, 01:38 AM   #24
per
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Quote:
Originally Posted by cstmx_ryder View Post
Do you know if that is covered under our warranty?

TIA
His car did run great stock, he did only get missfires tuned under heavy load at high rpms, so i belive he had to pay for the injektors.
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      07-13-2009, 12:59 PM   #25
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Quote:
Originally Posted by shiv@vishnu View Post
New top speed record???
I don't think so. I really doubt 317 km/h is achievable with stock gearing. 300-305 km/h - maybe. Here's my top speed run. 294 km/h and only ~200 rpm left. And a record should be GPS verified.

Still very impressive.

Data logs aren't very accurate. 100-200 km/h: data logs - 10.03s, PerformanceBox (most accurate method) - 11.2-11.3s.

My best results with PerformanceBox:
100-200 km/h - 10.02s
60-130mph (96.5-209.2 km/h) -11.71s

I'll definitely improve the results in the near future.

Sorry for the OT.
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      07-13-2009, 03:07 PM   #26
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EDO, your statement is correct. but you must differ between at and mt.
you have an mt car. here you have the following gear ratio and axle

gear I -4,06
gear II -2,40
gear III -1,58
gear IV -1,19
gear V -1,00
gear VI -0,87
axle - 3,08

for the at box i have the following numbers

gear I -4,171
gear II -2,340
gear III -1,521
gear IV -1,143
gear V -0,867
gear VI -0,691
axle - 3,727

i dont know the dimension of your tires. so i use the dimension of my tires for the calculation (255-30 R19). for tire scope i presuppose new tires (1938,85mm). sorry for the metric units

in fact of these numbers and requirements the mt car has a vmax at 7000rpm from 306,8km/h.
in your thread you says that you have round about 200rpm left at your 294km/h run. according to my calculations with my numbers your speed at 6800rpm is 298,1km/h. the difference between your gps and my calculation can be simple the scope of tires.
so you can see - the calculation on base the rpm is quite near to the gps.

and now the numbers for the at car. at 7000rpm the speed is 319,3 km/h. now i have logged a max rpm from 6967. thats true - unless the canbus liar.
and thats a speed of 317,7km/h.

that you say now?

okay, i must calculate a tollerance and measurement error. but i think the speed was clearly over 300km/h at this run.
on my next high speed test i have defnitly a driftbox in my car for gps data.

lars
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      07-13-2009, 03:20 PM   #27
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Ah... I forgot your car was AT.

I was speaking about MT. My front tyres are 235/35 R19, rear - 275/30 R19.


By the way, did you consider air resistance at such speeds? It's huge! Aren't your calculations theoretical?
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      07-13-2009, 03:36 PM   #28
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Spike, in your video the revs stop at 280 km/h already. Perhaps the logged 6967rpm is reached at 5th gear?
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      07-13-2009, 03:36 PM   #29
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Quote:
Originally Posted by edo View Post
Ah... I forgot your car was AT.

I was speaking about MT. My front tyres are 235/35 R19, rear - 275/30 R19.


By the way, did you consider air resistance at such speeds? It's huge! Aren't your calculations theoretical?
thats true. the air resistance is huge.
and it's true that the calculations is theoretical.
but the reached rpm is true.

i have recalculate your tires. the scope is 1975,18mm. then you have a profile of 5mm your speed at 6800rpm is exactly 294,0km/h.
You see, this calculation based on the reached rpm is not so bad.

i think a run with gps and canbus logging is the best mix
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      07-13-2009, 03:49 PM   #30
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Quote:
Originally Posted by jippii ensio View Post
Spike, in your video the revs stop at 280 km/h already. Perhaps the logged 6967rpm is reached at 5th gear?
nope .... in 5th gear the max speed is 254km/h but the max rpm i have used is at the end of the run.
in the video you can not see this correct. between 270 and top speed you have only 1000rpm with the at. in this video you can not perfect see the movement of the indicator. it's bad to driving with the cam in one hand
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      07-13-2009, 04:51 PM   #31
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I am sorry, but I do not believe that at all... No way you get can close to redline in 6th gear with 360-380 Whp... The car is drag limited... I would be very surprised to see anything over 300 KPH
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      07-31-2009, 05:03 AM   #32
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Sorry for OT :

Quote:
Originally Posted by edo View Post
My best results with PerformanceBox:
100-200 km/h - 10.02s
My best result with a RaceLogic PerformanceBox:
100-200 km/h - 9,3 s.


See my sig for the car mods.
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