G80 Launch Control

Limegrntaln · 12-29-2021, 03:24 AM

Quote:

Originally Posted by Hawkdog

Did my first LC today in my M4CX…honest to god felt the blood rushing out of my face. What an absolute rocket.

I did the same thing, few days ago. I figured brake boosting did pretty much the same thing. Man, was I wrong. Launch control is unbelievable.

Keishune · 01-27-2022, 03:02 AM

Quote:

Originally Posted by Hawkdog

Did my first LC today in my M4CX…honest to god felt the blood rushing out of my face. What an absolute rocket.

Can confirm. I did my first launch the day after I had the break-in service done, and first time I launched any car. Holy crap this thing is fast.

Did 3 more for good measure over a 3 hour trip. I think my car's earned some rest for a while

6SPDG82 · 01-28-2022, 06:47 AM

Quote:

Originally Posted by Patton250

Quote:

Originally Posted by G80BSM

Haha. I've actually successfully launched it every time I've tried. For ease of access I've saved sports plus everything plus DSC off on M2. I just press that, push the brakes and then the accelerator all the way and launch.

Are you fulfilling all the pre-launch conditions though?

I have done the exact same thing. My M2 setting fulfills all the parameters. Then you just place it in second gear, hold the break floor it and wait for the launch light to come on. What I'm trying to tell you is it doesn't always work. First off once you do it the first time there's some sort of timer I guess for it to be available to you again and from my understanding there's also temperature restrictions on the engine which are probably exceeded all the damn time because I live in Florida. It's 94° where I live. My main questions are after you meet all the parameters i.e. S1, DSC off, 2nd gear and brake hold for launching it what other unknown restrictions can prevent or delay launch control availability? Here are my only two guesses.

1. Timer- A mandatory waiting period between notches? If there is one how long is the timer?
2. Engine temperature restrictions- I believe I read somewhere that there are temperature ranges the transmission and engine must be in before launch control it is able to be activated. If this is true what are they?

Please understand when it comes to me please don't circle back to "you must have these basic settings engaged before launch control could be activated." I know this. It really is quite simple. However I'm telling you that launch control availability has been limited for me having met these basic settings and I'm trying to figure out why. By the way if you hold the break and floor it without launch control activated you lay about 20 to 30 feet of rubber. Ask me how I know.

Couple of things:
- The car needs to be driven a certain amount of time, temps in range etc.
- You should not have to put it in second before engaging launch control, it does that automatically. This could be why it's not working all the time for you.

austrum · 03-13-2022, 10:12 PM

I was trying to launch for the first time today and got it to go two times out of maybe six attempts. The four times it didn't go my tires just spun when I had the brake in.

Is there any way to check if I'm in D or S for the shifting settings?

22M4inMA · 06-29-2022, 07:26 AM

Quote:

Originally Posted by G80BSM

I made a video about how to launch this thing but youtube always reduces the quality to 144p for some reason and you can’t see anything. Anyway, all the best bro. Try to put your foot all the way down on the brake pedal and then the accelerator. It should do the trick.

Do you have the link?

dirtyfreebooter · 06-29-2022, 02:39 PM

Quote:

Originally Posted by austrum

I was trying to launch for the first time today and got it to go two times out of maybe six attempts. The four times it didn't go my tires just spun when I had the brake in.

Is there any way to check if I'm in D or S for the shifting settings?

yea if you are in D drive, there is a giant "D" next to the gear number…

Forzanerazzurri · 05-25-2023, 10:53 PM

Bumping this. Just tried launch control for the first time tonight on an empty rural road. I almost passed out. Got the total tunnel vision blood rushing out of my head feeling. Is that normal or am I just too sensitive? Honestly it scared the shit out of me. Insane car.

Patton250 · 05-26-2023, 11:33 AM

Quote:

Originally Posted by Forzanerazzurri

Bumping this. Just tried launch control for the first time tonight on an empty rural road. I almost passed out. Got the total tunnel vision blood rushing out of my head feeling. Is that normal or am I just too sensitive? Honestly it scared the shit out of me. Insane car.

I’m just glad it worked for you. It’s a crapshoot whether it actually launches or not. Sounds like it worked well for you on your first try.

1209582 · 05-26-2023, 07:36 PM

im 10 launches in. cant believe i only have 40 more left

Patton250 · 05-26-2023, 07:50 PM

Quote:

Originally Posted by 1209582

im 10 launches in. cant believe i only have 40 more left

How do you know you only get 50?

kgelfen360 · 05-26-2023, 09:04 PM

It’s been discussed a lot. And I am just repeating what I read and XHP claims. The claim is that ZF8 limited to 50 super hard luanches. After that supposedly it won’t shift as hard even though LC is active. I have no proof of any of this but if you search the topic it’s discussed a lot.

yousefnjr · 05-26-2023, 10:14 PM

I’d bet I’m north of 100 by now. I have 79 saved in dragy, many others not recorded or deleted. Still hauling ass. Wheelspin is the bigger problem

kgelfen360 · 05-26-2023, 10:31 PM

Quote:

Originally Posted by yousefnjr

I’d bet I’m north of 100 by now. I have 79 saved in dragy, many others not recorded or deleted. Still hauling ass. Wheelspin is the bigger problem

Based on the photo you posted u are progressively getting slower.

yousefnjr · 05-26-2023, 11:17 PM

Quote:

Originally Posted by kgelfen360

Based on the photo you posted u are progressively getting slower.

It’s the tires. I have times earlier than these that were slower in the 3’s. Roll of the dice whether it hooks or not these days. Been waiting for my new wheels since March to put the Nittos on, now Apex is saying late June

will be happy to make you a nice little clip when the day finally comes

kgelfen360 · 05-26-2023, 11:19 PM

Quote:

Originally Posted by yousefnjr

It’s the tires. I have times earlier than these that were slower in the 3’s. Roll of the dice whether it hooks or not these days. Been waiting for my new wheels since March to put the Nittos on, now Apex is saying late June

will be happy to make you a nice little clip when the day finally comes

Roger. Again I don’t claim to know about exactly how many u get. I was just replying to the person who seemed to never heard about any of that.
I sure hope it’s more then 50 now!!!

Patton250 · 05-27-2023, 05:17 AM

Quote:

Originally Posted by yousefnjr

I’d bet I’m north of 100 by now. I have 79 saved in dragy, many others not recorded or deleted. Still hauling ass. Wheelspin is the bigger problem

OK man how are you getting in the high 2’s???? Tuned?

Second question. Does launch control work 100% of the time you try it? Mine doesn’t. It’s been explained to me if certain temperature parameters aren’t met it won’t launch. Of course no one can tell me what those parameters are.

yousefnjr · 05-27-2023, 05:33 PM

Quote:

Originally Posted by Patton250

OK man how are you getting in the high 2’s???? Tuned?

Second question. Does launch control work 100% of the time you try it? Mine doesn’t. It’s been explained to me if certain temperature parameters aren’t met it won’t launch. Of course no one can tell me what those parameters are.

Yes and yes, DME tuned but not XHP. Haven’t had any issues with LC engaging, I have all the settings on M2 so it’s just double-tap and go

Say When! · 06-01-2023, 06:10 AM

I have a concern regarding my 0-100Km/h with and without LC
I run 4.7 without and 3.5 with , BMW say thats within specification , how is the non launch control so bad?
I am 6000ft up , anyone gopt some non launch numbers at the coast to see if electronic an issue?

beamlord · 06-01-2023, 04:45 PM

Quote:

Originally Posted by Say When!

I have a concern regarding my 0-100Km/h with and without LC
I run 4.7 without and 3.5 with , BMW say thats within specification , how is the non launch control so bad?
I am 6000ft up , anyone gopt some non launch numbers at the coast to see if electronic an issue?

Could be about right. The car really hesitates when simply slamming on gas from standstill, and doesn't really launch at all.

X3MC2020performance · 05-14-2025, 02:40 PM

I have a BMW X3 M Competition 2020 (F97). It was fully stocked, with no Tuning Platform or downpipes. I tried the launch control and it doesn't go up more than 2000 RPM (the flag is activated and coming out), it seems that not enough air enters for the turbos to boost.

Yesterday I rescheduled the ECU with BootMod3 (BM3) and also flashed the box with xHP.

We tested the launch control again with the new reprogramming, but it is still the same, the LC is activated but does not exceed 2,000 rpm. I also tried to upload the RPM manually from the cruise control button (as some tutorials indicate), but it doesn't go up either, it stays the same.

I live in a city at 2750 m above sea level, and the mechanic tells me that it could be due to the lack of air at altitude, and that possibly to solve it, you need to change the torque converter of the transmission to a larger one so that the system works properly and so you can load the turbo boost, since in my city being at a height level of 2,600 meters, there is not enough air.

The funny thing is that after the first 15mph, it runs very well from 15mph onwards, in the Dragy set a time of 8.2 seconds from 62mph to 125mph, indicating that the running performance is very good.

Has anyone had a similar experience? What do I recommend adjusting or reviewing so that the launch control works properly at this altitude?

03-13-2022, 10:12 PM	#48
austrum Private 49 Rep 80 Posts Drives: G80 RWD Comp Join Date: Jul 2021 Location: DFW, TX iTrader: (0)	I was trying to launch for the first time today and got it to go two times out of maybe six attempts. The four times it didn't go my tires just spun when I had the brake in. Is there any way to check if I'm in D or S for the shifting settings?
	Appreciate 0 Quote

05-25-2023, 10:53 PM	#51
Forzanerazzurri Banned 7034 Rep 3,275 Posts Drives: E46 M3 Coupe/G80 M3CX Join Date: Jul 2021 Location: Alberta iTrader: (0) Garage List 2003 BMW M3 Coupe [0.50] 2022 BMW M3 Competi ... [5.12]	Bumping this. Just tried launch control for the first time tonight on an empty rural road. I almost passed out. Got the total tunnel vision blood rushing out of my head feeling. Is that normal or am I just too sensitive? Honestly it scared the shit out of me. Insane car.
	Appreciate 3 Patton2502954.00 yousefnjr7832.00 MaC-N54-E82695.50 Quote

05-26-2023, 07:36 PM	#53
1209582 First Lieutenant 828 Rep 345 Posts Drives: bmw Join Date: Nov 2022 Location: United States iTrader: (0)	im 10 launches in. cant believe i only have 40 more left
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05-26-2023, 09:04 PM	#55
kgelfen360 Colonel 2747 Rep 2,350 Posts Drives: BMW Join Date: Aug 2022 Location: WA iTrader: (1)	It’s been discussed a lot. And I am just repeating what I read and XHP claims. The claim is that ZF8 limited to 50 super hard luanches. After that supposedly it won’t shift as hard even though LC is active. I have no proof of any of this but if you search the topic it’s discussed a lot.
	Appreciate 1 mirob4603.50 Quote

05-26-2023, 10:14 PM	#56
yousefnjr salty cowboys fan 7832 Rep 3,944 Posts Drives: ‘06 Z4MR, ‘20 X7, ‘22 M4x Join Date: Dec 2012 Location: Bay Area, CA iTrader: (2)	I’d bet I’m north of 100 by now. I have 79 saved in dragy, many others not recorded or deleted. Still hauling ass. Wheelspin is the bigger problem Attached Images __________________ she’s home! '22 M4 Comp xDrive
	Appreciate 1 Forzanerazzurri7034.00 Quote

06-01-2023, 06:10 AM	#62
Say When! New Member 2 Rep 7 Posts Drives: 2023 BMW M4 Competition Join Date: Feb 2023 Location: Johannesburg iTrader: (0) Garage List 2023 BMW M4 [9.50] 2019 Porsche GT3RS [10.00] 2013 Ferrari 458 It ... [0.00] 2017 AUDI R8 V10 PLUS [10.00] 2022 BACKDRAFT COBRA [0.00]	I have a concern regarding my 0-100Km/h with and without LC I run 4.7 without and 3.5 with , BMW say thats within specification , how is the non launch control so bad? I am 6000ft up , anyone gopt some non launch numbers at the coast to see if electronic an issue?
	Appreciate 0 Quote

05-14-2025, 02:40 PM	#64
X3MC2020performance New Member 0 Rep 15 Posts Drives: X3 M competition 2020 Join Date: May 2025 Location: Usa iTrader: (0)	I have a BMW X3 M Competition 2020 (F97). It was fully stocked, with no Tuning Platform or downpipes. I tried the launch control and it doesn't go up more than 2000 RPM (the flag is activated and coming out), it seems that not enough air enters for the turbos to boost. Yesterday I rescheduled the ECU with BootMod3 (BM3) and also flashed the box with xHP. We tested the launch control again with the new reprogramming, but it is still the same, the LC is activated but does not exceed 2,000 rpm. I also tried to upload the RPM manually from the cruise control button (as some tutorials indicate), but it doesn't go up either, it stays the same. I live in a city at 2750 m above sea level, and the mechanic tells me that it could be due to the lack of air at altitude, and that possibly to solve it, you need to change the torque converter of the transmission to a larger one so that the system works properly and so you can load the turbo boost, since in my city being at a height level of 2,600 meters, there is not enough air. The funny thing is that after the first 15mph, it runs very well from 15mph onwards, in the Dragy set a time of 8.2 seconds from 62mph to 125mph, indicating that the running performance is very good. Has anyone had a similar experience? What do I recommend adjusting or reviewing so that the launch control works properly at this altitude?
	Appreciate 0 Quote