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      05-19-2010, 01:21 PM   #23
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Alright, leave it to the internet to expose my ignorance. I'm a little embarrased that I couldn't get "floor throttle and release lever" right, but at least nobody called me a f%&*-tard or anything. I'll have a re-do on my way home tonight, and revisit this topic then.
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      05-19-2010, 02:52 PM   #24
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My dealer said it wouldnt void warranty.
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      05-19-2010, 03:40 PM   #25
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I can't see BMW putting instructions in their manual on how to execute launch control, and then saying:

"Sorry, you followed our instructions but now were voiding your warranty because you utilized a feature built into your car. Better luck next time champ!"
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      05-19-2010, 03:50 PM   #26
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Quote:
Originally Posted by holt View Post
I can't see BMW putting instructions in their manual on how to execute launch control, and then saying:

"Sorry, you followed our instructions but now were voiding your warranty because you utilized a feature built into your car. Better luck next time champ!"
+1

I would think that it would be explicitly stated in the manual if any number of launches would void warranty. Also, with all the technology in these cars, I would think the computer would disengage Launch Control if the car was suffering from too much wear and tear, or if there were a limit to how many times Launch Control could be used.
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      05-20-2010, 05:10 AM   #27
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Quote:
Originally Posted by chungdae View Post
Don't do too many. BMW voids the warranty after x attempts.
BS
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      05-20-2010, 05:47 AM   #28
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In the USA on the E46 there is no limit on the number of launches you can do and it does not void the warranty but the launch RPM is lowered to reduce the wear and tear. I was told the computer actually performs a many engage-disengage sequences that increases wear but i could never tell. I have done this many times and at one point had the clutch replaced (for unrelated reasons) and the clutch did not show any wear after all the abuse. Maybe the gearbox is another story .

Outside the USA the launch RPM is higher but once you have used launch mode three dozen times orso, it will not work anymore until the dealer clears the s/w latch which will void the warranty.

I am very curious to hear how the E9x differs in this regard.

Also, on the E46 you can control whether to launch with maximum traction or maximum torque. The latter will draw nice black lines on the tarmac but you will go nowhere fast . Is such control available on the E9x?
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      05-20-2010, 09:48 AM   #29
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Stop worrying, keep launching.
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      05-21-2010, 03:24 AM   #30
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!!!!!!!!!!!! im in the same seat as you are. after 6000 miles i finally launched my car yesterday. i took me awhile to get all the steps down but it was well worth it. i also heard the rev is alot lower in the states. but mine goes to 5500 rpm.......i think its maxed out!
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      05-25-2010, 02:54 AM   #31
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I just got my 2010 E90 M3 and just broke 3000 miles and tried to use the launch control.

I followed the steps in this thread. I turned off DSC. I put the tranny into Manual Mode. I clicked Drivelogic into Level 6. I held the shift lever forward. The flag came on. I stepped on the gas. The RPM revved and held at 5500. I released the shift lever...and nothing happened. The RPM just dropped back to idle and my car is still a sitting duck.

Am I doing it wrong? Or is Launch Control not available anymore on 2010 models?

Thanks.
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      05-25-2010, 08:15 AM   #32
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^^^ Did you try to repeat the process a number of times, or just once?

LC is definitely available on all M3s from all model years.
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      05-25-2010, 11:18 AM   #33
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BMW couldn't have done this any more complicated... Look at how many threads have come up on this issue over time (and lately). Launching a space rocket is a piece of cake compared to this

Why couldn't LC intitiate with a press of a button, or simply by pulling both paddles... Then let the computer do all the necessary steps. Simple!
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      05-25-2010, 11:53 AM   #34
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Quote:
Originally Posted by gr8000 View Post
BMW couldn't have done this any more complicated... Look at how many threads have come up on this issue over time (and lately). Launching a space rocket is a piece of cake compared to this

Why couldn't LC intitiate with a press of a button, or simply by pulling both paddles... Then let the computer do all the necessary steps. Simple!
Because imagine all the soccer moms and such that drive these cars that would kill themselves if LC was easily activated. The way it is setup now, you MUST REALLY WANT TO USE LC in order to use it. No chance you would mistakenly activate it.

Remember, lots of non-enthusiasts buying these cars.

Cheers,
e46e92
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      05-25-2010, 12:41 PM   #35
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I tried it this weekend, i might have done it wrong because all i had was a massive tire spin as opposed to a nice acceleration
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      05-25-2010, 01:04 PM   #36
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i need to get dct on my next ///m...this sounds fun.
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      05-25-2010, 01:10 PM   #37
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Quote:
Originally Posted by e46e92love View Post
Because imagine all the soccer moms and such that drive these cars that would kill themselves if LC was easily activated. The way it is setup now, you MUST REALLY WANT TO USE LC in order to use it. No chance you would mistakenly activate it.

Remember, lots of non-enthusiasts buying these cars.

Cheers,
e46e92
I realise your point but soccer moms, grannys and a bunch of "unqualified" people also drive Porsches where the LC is activated in a much simple manner.

Look at it in another way: Taking DSC off (which is equally dangerous for soccer moms) comes at a press of a button. Why couldn't LC also be initiated with the press of a button, or (even better) by pulling both paddles for, say, 2 secs?

Not an excuse for BMW really...
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      05-25-2010, 01:23 PM   #38
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Quote:
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I realise your point but soccer moms, grannys and a bunch of "unqualified" people also drive Porsches where the LC is activated in a much simple manner.

Look at it in another way: Taking DSC off (which is equally dangerous for soccer moms) comes at a press of a button. Why couldn't LC also be initiated with the press of a button, or (even better) by pulling both paddles for, say, 2 secs?

Not an excuse for BMW really...
It wears down the drive train, if its only with a push of a button, it would be too convinient and be used 100s of times, but if you make it a pain to set it up, you dont use it as much and avoid wear on drivetrain.

IMO they should put a red button somewhere so we can use it on streetlights hehe jk
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      05-25-2010, 01:45 PM   #39
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Quote:
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IMO they should put a red button somewhere so we can use it on streetlights hehe jk
Red button labeled as "do not push!"
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      05-25-2010, 02:43 PM   #40
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Quote:
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Red button labeled as "do not push!"
Or "Go Baby Go" like the NOS button on the movie 'gone in 60 seconds'
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      05-26-2010, 04:08 AM   #41
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Quote:
Originally Posted by mkoesel View Post
^^^ Did you try to repeat the process a number of times, or just once?

LC is definitely available on all M3s from all model years.
I tried it first and it didn't work. The RPM did go up to 5500 while holding the shift lever forward. Upon releasing the shift lever, the RPM needle just dropped to idle and the car was motionless. I tried it like 3 more times with the same result =(

So in total, it was 4 repeated attempts.
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      05-26-2010, 10:12 AM   #42
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Quote:
Originally Posted by yoyeewee View Post
I tried it first and it didn't work. The RPM did go up to 5500 while holding the shift lever forward. Upon releasing the shift lever, the RPM needle just dropped to idle and the car was motionless. I tried it like 3 more times with the same result =(

So in total, it was 4 repeated attempts.
Unfortunate. I want to say I recall someone else having that same problem before, but can't remember if there was some fix they needed to get or what. You could try a search.

Just to make sure - you have actually had your 1200mi service performed, right? I know you said you have 3k miles, so I sure hope you've gotten the initial service done. Come to think of it, I'm almost positive that there is something they actually have to set ECU (or wherever) to enable LC during the service appointment. It doesn't just automatically become active I don't think. So maybe that is the problem, i.e maybe they forgot to do that part somehow.
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      05-26-2010, 12:45 PM   #43
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Quote:
Originally Posted by yoyeewee View Post
I just got my 2010 E90 M3 and just broke 3000 miles and tried to use the launch control.

I followed the steps in this thread. I turned off DSC. I put the tranny into Manual Mode. I clicked Drivelogic into Level 6. I held the shift lever forward. The flag came on. I stepped on the gas. The RPM revved and held at 5500. I released the shift lever...and nothing happened. The RPM just dropped back to idle and my car is still a sitting duck.

Am I doing it wrong? Or is Launch Control not available anymore on 2010 models?

Thanks.
Now I don't feel quite so bad, the same thing happened to me, and that is why I did a brake-stand with it. (The way LC is activated in a 997 w/PDK) I'll give it another try when I have a chance.
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      05-26-2010, 06:18 PM   #44
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Quote:
Originally Posted by mkoesel View Post
Come to think of it, I'm almost positive that there is something they actually have to set ECU (or wherever) to enable LC during the service appointment. It doesn't just automatically become active I don't think. So maybe that is the problem, i.e maybe they forgot to do that part somehow.
No, nothing needs to be done by the dealer at the break in service. 1200 mile service is fluids and filters only. Nothing is done to software, nothing is enabled. It automatically becomes active at ~1250 miles. If it wasn't active, he wouldn't get the flag. Don't know what the specific problem is with yoyeewee. Probably needs to go to the dealer to find the problem.

Last edited by MysticBlue; 05-26-2010 at 06:31 PM.
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