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F10 / F11 (2011 - Current)
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  #1  
Old 06-13-2013, 12:07 PM
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Measuring 0-100 acceleration

Since my last software update (intended to fix the throttle delay issue, which it failed), I'm under the impression that my car's acceleration is not what it used to be. I tried to measure the 0-100 kmph time using my iPhone's Stopwatch, but this is very cumbersome and not precise (the times I was getting were not impressive either - some 7.8 secs instead of the factory-specified 6.5 sec).

Is there an iPhone (or Android) application out there that could do it more precisely, basing on GPS? I've hear about the PocketDyno application for iPhone, but cannot find it in the Polish Appstore...

Could anyone help?

PS. I just got the message the PocketDyno 2.2 isn't found in the US store, either. Could someone send me the installation file? My email is p.wozniacki at wp.pl - thanks again

PSPS I just read about the Torque app for Android, but that requires an OBD-II/BT converter; does anyone use one and can recommend a good source to get it from?
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Last edited by MoldCAD; 06-13-2013 at 01:03 PM.
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  #2  
Old 06-13-2013, 01:19 PM
UltimateDriving UltimateDriving is offline
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I use the Torque App with a generic OBD II BT adapter i got from Amazon. Almost any BT adapter will work.
You can measure 0-30, 0-60, 0-100 and much more. You can also see any generic odes your ECU might throw and tons of engine info.
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Old 06-13-2013, 01:26 PM
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Thanks - will something like this work?
http://www.amazon.com/Excelvan-Bluet...=pd_sim_misc_5
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  #4  
Old 06-13-2013, 01:34 PM
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Actually, the model above cannot be shipped from Amazon.com do Poland - I've found another one oon Amazon UK that can. Will it work with the Torque Pro app?

http://www.amazon.co.uk/Bluetooth-In...eywords=ELM327
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  #5  
Old 06-13-2013, 01:57 PM
UltimateDriving UltimateDriving is offline
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Yes the one you posted from Amazon UK will definitely work. The ELM 327 is one of the most cloned ones, in fact mine is also a ELM 327 clone. It will work.

I dont know where is the OBD II port in the F10 but i would suggest you to check how much space is between the port and anything around it.
In the E60 the OBD II port is behind the drivers door, luckily i noticed it and i purchased a micro/mini adapter that is a lot smaller. My drivers door trim almost hits the adapter when fully closed.
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Old 06-13-2013, 03:23 PM
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i use app called Fastest Droid it's pretty accurate
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  #7  
Old 06-14-2013, 03:44 AM
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Re: Measuring 0-100 acceleration

I use Torque with a ScanTool OBDLink Bluetooth adaptor and it is far faster than the Chinese OBD2 clones

The OBD2 port it is located to the left of the steering wheel..near the bottom of the panel on the left hand vehicles..there is no cap so you can easily feel the port

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  #8  
Old 06-14-2013, 04:47 AM
ifnd323 ifnd323 is offline
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What's the best app for an iPhone?
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  #9  
Old 06-17-2013, 02:20 PM
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While waiting for my ELM 327, I tried Fastest Droid app today and must say that for such a simple and limited tool, it does its job. My 0-60 times are now more realistic, although not very spectacular. This got me thinking:

- this actually is my first car ever with a fully automated transmission and AWD, too. What is the best technique for obtaining the best acceleration? Would you just switch to Sport+, push thee lever to the right, and let the SAT do its work - or would it be faster if I used the paddles? Which rises another question - which revs should I upshift at? With the MT cars I used to drive, it was simple - just upshift a tad below the red line; but the N20 engine is sid to deliver its maximum power at quite a wide rpm range, and the torque start dropping after 4,800... So - what do you say: manual shifting, and up-to-red-line revving?
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Old 06-17-2013, 02:50 PM
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Some people rev the engine before launches.
Ex. Hold revs at 2k while your foot is on the brakes, let the brake off and floor the gas pedal. I wouldnt reommend it because you might shorten your transmission life span in the long run.
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Old 06-19-2013, 04:02 AM
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Ouch... I'd never do this to my car!

Guys - any other advise on the F10 SAT launching? Auto or manual? If manual, how much rpm before upshifts?
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Old 06-19-2013, 04:24 AM
qadhi79 qadhi79 is offline
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Re: Measuring 0-100 acceleration

Brake lunching is the fastest but puts strain on your transmission

Use auto..Sport+..gear lever in sport so it shows S1 in your dash..grab the steering wheel with both hands and floor it (gradually press the accelerator to the floor while the car ignition is off and you will notice the presence of a kick-down button)..make sure you press this button when flooring..SAT and AWD will take care of the rest

Max torque is where you can shift but you want higher rpm on the next gear so always shift at the redline..again SAT will take care of it and change gears just before the redline

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  #13  
Old 06-20-2013, 01:45 PM
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You can simulate the launch control of the M5, it's standard equipment there and doesn't void your warranty...just don't do it every red light..

And as said by others, set her to Sport +, Gear to S1, launch at 2000 rpm and floor it the same time you release the brake...
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Old 06-20-2013, 01:45 PM
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Forum error double post
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F10 520d born 11.04.2011 Deep Sea Blue

205, 230, 322, 403, 415, 423, 428, 430, 431, 459, 464, 465, 494, 502, 508, 522, 524, 534, 548, 609, 614, 615, 620, 644, 654, 676, 698, 851, 879, 962, 1CA, 1CB, 1CD, 2K1, 2PA, 3AG, 4AT, 4UR, 5AC, 6AA, 6AB, 6FL, 6NF, 6NR, 6VC, 8KA, 8TF, 8TL, 8TN, 8V1

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  #15  
Old 06-20-2013, 02:27 PM
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I believe the M5 uses double-clutch transmission, it's something entirely different.

I hear there is going to be sort of a launch control in the coming 550i MY2014 - we'll see how it works. As for now, I'd never abuse the hydro-kinetic torque converter like this.
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  #16  
Old 06-20-2013, 03:18 PM
miotoo miotoo is offline
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I can understand the concern, but I would worry more if my expensive German engineered 'Lubricated for life' transmission and drive train can't sustain a one second heat build-up from this scenario.

The driver starting to drive off while forgetting to release the Parking brake on one side of the scale and the transfer of 450Nm of torque to move a +2 ton object uphill on the other is considered normal operating conditions it handles well.

I'm pretty positive the 2000rpm held back for a period of one second scenario falls in between.

About apps, I recently got to use PerfExpert and was surprised how accurate it was for the Torque & Power curve results once I provided all the necessary chassis data.
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  #17  
Old 07-15-2013, 10:30 AM
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Today I tested Torque Pro with the ELM327 adapter from Amazon for the first time. Everything seems to work fine with my 528xi, but I have 2 basic questions:

1. IS it OK to leave the scanner in the ODB socket for prolonged period of time (like when parked in the garage)?

2. I noticed that my Samsung Galaxy S2 can be connected with both the ELM327 and my car's iDrive (BT phone) at the same time, which is nice – but won't it introduce any data lags/errors?

TIA,
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Old 07-15-2013, 10:34 AM
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Re: Measuring 0-100 acceleration

1. Dont leave it plugged in as it would keep sucking power and one day you will get a battery discharge warning

2. No, it wont cause any errors


Quote:
Originally Posted by MoldCAD View Post
Today I tested Torque Pro with the ELM327 adapter from Amazon for the first time. Everything seems to work fine with my 528xi, but I have 2 basic questions:

1. IS it OK to leave the scanner in the ODB socket for prolonged period of time (like when parked in the garage)?

2. I noticed that my Samsung Galaxy S2 can be connected with both the ELM327 and my car's iDrive (BT phone) at the same time, which is nice – but won't it introduce any data lags/errors?

TIA,


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Old 07-16-2013, 09:10 AM
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Well, the forum on the Torque home site is not very active, so I'd like to ask fellow members here about some test results. Scanning error codes didn't return anything (which is good, of course), but the test results show 2 of them in red, as Not Good (see attachments).

Now - could anyone explain what are they? What do MID and TID stand for? And the most important thing: any links to where I can find some more info?

Also, Torque monitors and displays Power at the wheels, and Torque [Nm] at the flywheel, so I'd expect it to show something close to 350 Nm but the max value I ever noted has been 330 Nm. Is my engine that much weaker than advertised, or can it be due to some settings/calibration?

PS Here are the Not Good test results, in case someone doesn't like downloading pdfs:

MID: $8e TID:$b8
Min: 22,537 Max:53,000
Current: 13,600

and

MID: $e1 TID: $45
Manufacturer defined MID
Min: 8,273 Max:5
Current: 17,888
Attached Files
File Type: pdf newdoc (4).pdf (58.8 KB, 13 views)
File Type: pdf newdoc (5).pdf (79.4 KB, 8 views)
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Last edited by MoldCAD; 07-16-2013 at 10:42 AM.
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Old 07-16-2013, 11:21 AM
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I Press brakes and get my cars RPM to 3500 in 1st and then let the break go it scares passengers.
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Old 07-16-2013, 12:14 PM
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Originally Posted by silencespr View Post
I Press brakes and get my cars RPM to 3500 in 1st and then let the break go it scares passengers.
Is that how you also launching at the track ?
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Old 07-16-2013, 11:55 PM
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Quote:
Originally Posted by MoldCAD View Post
Well, the forum on the Torque home site is not very active, so I'd like to ask fellow members here about some test results. Scanning error codes didn't return anything (which is good, of course), but the test results show 2 of them in red, as Not Good (see attachments).

Now - could anyone explain what are they? What do MID and TID stand for? And the most important thing: any links to where I can find some more info?

Also, Torque monitors and displays Power at the wheels, and Torque [Nm] at the flywheel, so I'd expect it to show something close to 350 Nm but the max value I ever noted has been 330 Nm. Is my engine that much weaker than advertised, or can it be due to some settings/calibration?

PS Here are the Not Good test results, in case someone doesn't like downloading pdfs:

MID: $8e TID:$b8
Min: 22,537 Max:53,000
Current: 13,600

and

MID: $e1 TID: $45
Manufacturer defined MID
Min: 8,273 Max:5
Current: 17,888
Since nobody answered so far, here are my own findings: the above codes are of a special "$06" mode group of codes which - unless you are a BMW technician with access to the manufacturer's data - are very difficult do decode. I found lots of sources on the Internet with full lists of "normal" problem codes (in the Pxyzv format where x,y,z and v are digits) - but not a single one with the $6 codes. Can anyone with full access to BMW data help me decipher the above?

And one more question: how reliable is the Torque app in conjunction with an ELM327 clone? I'd think they should be pretty accurate (if they work at all), as all Torque is doing is reading the OBD sensors digitally (plus some simple calculations on those readings)... If so, what would you think/do if your car's max torque or 0-100 acceleration times were reported much lower than they're supposed to be?

Cause you see... arriving at the BMW service and saying that some Android application is reporting this or that and my engine should be fixed doesn't sound like a good idea. Unless I get the codes deciphered, and they turn to point to some malfunction that might be related with the low performance!
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Last edited by MoldCAD; 07-17-2013 at 01:25 AM.
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  #23  
Old 07-17-2013, 07:43 AM
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I don't have luck recently... Not only has my first Torque/OBD scanner test left me with doubts re: my car's engine condition; today my cheap EML327 clone off Amazon.co.uk stopped working at all Or to be exact: after re-pairing it does connect for 2-5 seconds (the adapter icon stops blinking, and the car icon appears) – but then connection is lost. Interestingly, while scanning for BT devices my Samsung Galaxy S2 found the device today under a different name than the one it successfully connected to only yesterday…. Does it mean my ELM327 from went bad, or can you think of another reason?

I realize this is not a BT specialist forum, but perhaps some good people who also use a similar adapter can help me
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Old 07-17-2013, 09:22 AM
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Quote:
Originally Posted by M4XBMW7 View Post
Is that how you also launching at the track ?
yup that's hot i always launch from s top at a race or a traffic light i was able to clock sub 4secs 0-60, next time i will use real Vbox to measure my 0-60
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Old 07-17-2013, 09:31 AM
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Cool, did you ever tried just punching it from an idle and compare the 60' vs doing what you're doing ? Try that once .
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