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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) Local Forums UK Throttle lag. Anyone else?

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      10-17-2020, 01:22 AM   #1
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Throttle lag. Anyone else?

Noticed at a few roundabouts... pressing the pedal... nothing... nothing... GO!

It's less than a second and start stop is off.

Reminds me of when I had my F30 320d. The remap cured it and I adapted my style so I was not always coming to a full stop at a roundabout by default. If it's clear I'd ease off to be safe and continue.

For warranty reasons I don't intend on a throttle map or flash.

Resetting the adaptations has not worked.

I can live with it most the time but wonder how common it is.

Ta
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      10-17-2020, 01:50 AM   #2
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Yes... i've had this since i purchased the car.. this is my first automatic and just thought that it was normal.. I did find that in Comfort mode there was less lag than in the other modes..
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      10-17-2020, 03:43 AM   #3
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Quote:
Originally Posted by Soul_Glo View Post
Noticed at a few roundabouts... pressing the pedal... nothing... nothing... GO!

It's less than a second and start stop is off.

Reminds me of when I had my F30 320d. The remap cured it and I adapted my style so I was not always coming to a full stop at a roundabout by default. If it's clear I'd ease off to be safe and continue.

For warranty reasons I don't intend on a throttle map or flash.

Resetting the adaptations has not worked.

I can live with it most the time but wonder how common it is.

Ta
You don't state what G20 version/engine etc.?

No obvious lag in my Sep 2020 330i M Sport Pro
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      10-17-2020, 05:52 AM   #4
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My G21 320d XD has the same lag.
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      10-17-2020, 07:13 AM   #5
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Could be transmission dropping down several gears therefore requiring more throttle to move off especially at roundabouts.
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      10-17-2020, 07:32 AM   #6
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Quote:
Originally Posted by Soul_Glo View Post
Noticed at a few roundabouts... pressing the pedal... nothing... nothing... GO!

It's less than a second and start stop is off.

Reminds me of when I had my F30 320d. The remap cured it and I adapted my style so I was not always coming to a full stop at a roundabout by default. If it's clear I'd ease off to be safe and continue.

For warranty reasons I don't intend on a throttle map or flash.

Resetting the adaptations has not worked.

I can live with it most the time but wonder how common it is.

Ta
Yup I get this, solution is Sport mode

There sometimes is a pause and then the turbo spools up

It happens when you are going slow and all of a sudden require quick acceleration I have a 330i Msport
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      10-17-2020, 10:21 AM   #7
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Quote:
Originally Posted by rodc271 View Post
Quote:
Originally Posted by Soul_Glo View Post
Noticed at a few roundabouts... pressing the pedal... nothing... nothing... GO!

It's less than a second and start stop is off.

Reminds me of when I had my F30 320d. The remap cured it and I adapted my style so I was not always coming to a full stop at a roundabout by default. If it's clear I'd ease off to be safe and continue.

For warranty reasons I don't intend on a throttle map or flash.

Resetting the adaptations has not worked.

I can live with it most the time but wonder how common it is.

Ta
You don't state what G20 version/engine etc.?

No obvious lag in my Sep 2020 330i M Sport Pro
I usually don't as it's in my sig on profile. 320d M Sport
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      10-17-2020, 10:39 AM   #8
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Quote:
Originally Posted by Soul_Glo View Post
I usually don't as it's in my sig on profile. 320d M Sport
Apologies.

Despite selecting 'Show Signatures' in settings, these don't appear anywhere in the app version I have.
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      10-17-2020, 05:31 PM   #9
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Quote:
Originally Posted by Soul_Glo View Post
Noticed at a few roundabouts... pressing the pedal... nothing... nothing... GO!

It's less than a second and start stop is off.

Reminds me of when I had my F30 320d. The remap cured it and I adapted my style so I was not always coming to a full stop at a roundabout by default. If it's clear I'd ease off to be safe and continue.

For warranty reasons I don't intend on a throttle map or flash.

Resetting the adaptations has not worked.

I can live with it most the time but wonder how common it is.

Ta
Sounds like you could benefit from a pedal box.
My Golf R has a half inch of dead pedal (they all do it) in Comfort and Normal modes but the pedal box eliminates it.

Brilliant bit of kit for what it does and I'd highly recommend it to improve your throttle response.

Got mine from DTUK.
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      10-18-2020, 01:51 AM   #10
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Quote:
Originally Posted by dopper99 View Post
Quote:
Originally Posted by Soul_Glo View Post
Noticed at a few roundabouts... pressing the pedal... nothing... nothing... GO!

It's less than a second and start stop is off.

Reminds me of when I had my F30 320d. The remap cured it and I adapted my style so I was not always coming to a full stop at a roundabout by default. If it's clear I'd ease off to be safe and continue.

For warranty reasons I don't intend on a throttle map or flash.

Resetting the adaptations has not worked.

I can live with it most the time but wonder how common it is.

Ta
Sounds like you could benefit from a pedal box.
My Golf R has a half inch of dead pedal (they all do it) in Comfort and Normal modes but the pedal box eliminates it.

Brilliant bit of kit for what it does and I'd highly recommend it to improve your throttle response.

Got mine from DTUK.
Hesitant to modify due to the new laws on warranty. May be a race chip XLR might do. I remember Darth Helmut had one.
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      10-18-2020, 02:50 AM   #11
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New laws? What country?
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      10-18-2020, 03:17 AM   #12
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Quote:
Originally Posted by Dark_cobra View Post
New laws? What country?
The UK BMW policy I was referring to. You remap the car they invalidate your entire power train and transmission warranty. You code the car. Say you code the sunroof to close when raining they invalidate your entire electric warranty. Any coding of any sorts using an aftermarket device automatically invalidates the warranty. It's become the BMW law. Before there was leeway and understanding and now there are blanket rules.
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      10-18-2020, 06:48 AM   #13
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Quote:
Originally Posted by Soul_Glo View Post
The UK BMW policy I was referring to. You remap the car they invalidate your entire power train and transmission warranty. You code the car. Say you code the sunroof to close when raining they invalidate your entire electric warranty. Any coding of any sorts using an aftermarket device automatically invalidates the warranty. It's become the BMW law. Before there was leeway and understanding and now there are blanket rules.
When did they announce this?
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      10-18-2020, 07:12 AM   #14
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Quote:
Originally Posted by OM3RTA View Post
Quote:
Originally Posted by Soul_Glo View Post
The UK BMW policy I was referring to. You remap the car they invalidate your entire power train and transmission warranty. You code the car. Say you code the sunroof to close when raining they invalidate your entire electric warranty. Any coding of any sorts using an aftermarket device automatically invalidates the warranty. It's become the BMW law. Before there was leeway and understanding and now there are blanket rules.
When did they announce this?
Some point this year. Folks been taking their car in for warranty work and it's been declined. There are threads about it on the forum. It's not the coding as such but it's how apps like BimmerCode and Carly go about that coding... it can cause problems. Manufacturers like Audi have been flagging maps for years. So do BMW but now when a car goes in for routine service it's not just a map they flag but it's any coding that's not recognised by their servers and this gets uploaded to their Germany servers.

I was in John Clark Aberdeen last month and the service tech was explaining it all to me.
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      10-18-2020, 07:36 AM   #15
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Quote:
Originally Posted by Soul_Glo View Post
Some point this year. Folks been taking their car in for warranty work and it's been declined. There are threads about it on the forum. It's not the coding as such but it's how apps like BimmerCode and Carly go about that coding... it can cause problems. Manufacturers like Audi have been flagging maps for years. So do BMW but now when a car goes in for routine service it's not just a map they flag but it's any coding that's not recognised by their servers and this gets uploaded to their Germany servers.

I was in John Clark Aberdeen last month and the service tech was explaining it all to me.
It's been awhile since I've had a look on the coding threads, which I assume has the discussions on?? I was going to wait until I had the Android Auto update before having a bit of coding down but after reading this I think I'll hold off to just before the warranty is up so cheers for the info.

It was just after the turn of the year I was last in JCA and I love going in there as they have an amazing variety of stock in
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      10-18-2020, 05:04 PM   #16
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Quote:
Originally Posted by Soul_Glo View Post
Hesitant to modify due to the new laws on warranty. May be a race chip XLR might do. I remember Darth Helmut had one.
So, the DTUK pedal box I've got does exactly the same as a race chip XLR. Both simply improve throttle response.

Mine is not a tuning box and does not alter the power output in any way. It plugs in between the throttle pedal and wiring loom.

When you take it in for warranty/service work, just remove it.

I too am against anything that'll screw up the warranty but I cant see how evidence of a pedal box being fitted would be shown up on diagnostic kit.
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      10-19-2020, 05:07 AM   #17
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Quote:
Originally Posted by Soul_Glo View Post
Hesitant to modify due to the new laws on warranty. May be a race chip XLR might do. I remember Darth Helmut had one.
A pedal box won't invalidate your warranty. It just gives you some more sportier options to the throttle than you get from the factory.
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      10-20-2020, 10:30 AM   #18
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Quote:
Originally Posted by Soul_Glo View Post
Quote:
Originally Posted by OM3RTA View Post
Quote:
Originally Posted by Soul_Glo View Post
The UK BMW policy I was referring to. You remap the car they invalidate your entire power train and transmission warranty. You code the car. Say you code the sunroof to close when raining they invalidate your entire electric warranty. Any coding of any sorts using an aftermarket device automatically invalidates the warranty. It's become the BMW law. Before there was leeway and understanding and now there are blanket rules.
When did they announce this?
Some point this year. Folks been taking their car in for warranty work and it's been declined. There are threads about it on the forum. It's not the coding as such but it's how apps like BimmerCode and Carly go about that coding... it can cause problems. Manufacturers like Audi have been flagging maps for years. So do BMW but now when a car goes in for routine service it's not just a map they flag but it's any coding that's not recognised by their servers and this gets uploaded to their Germany servers.

I was in John Clark Aberdeen last month and the service tech was explaining it all to me.
Ive missed all this regrading DIY coding invalidating warranty
I understand it to a degree, BMW shelling out recompense for someone's error. But surely changing start up to M, or changing dash display to M or Alpina. Surely that's just like changing your wallpaper on your PC
Doesn't invalidate warranty when you play around with the display
Of course I'm not doubting this, just miffed as i too was going to be tinkering with my company car to this end using BimmerCode
Doubt work would be pleased if the garage wont cover warranty work because I've changed a few cosmetic things
All seems harsh, they are obviously options within the coding, you are inventing new.
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      10-20-2020, 07:18 PM   #19
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Quote:
Originally Posted by johnboysafc View Post
Ive missed all this regrading DIY coding invalidating warranty
I understand it to a degree, BMW shelling out recompense for someone's error. But surely changing start up to M, or changing dash display to M or Alpina. Surely that's just like changing your wallpaper on your PC
Doesn't invalidate warranty when you play around with the display
Of course I'm not doubting this, just miffed as i too was going to be tinkering with my company car to this end using BimmerCode
Doubt work would be pleased if the garage wont cover warranty work because I've changed a few cosmetic things
All seems harsh, they are obviously options within the coding, you are inventing new.
You need to read this....

https://f30.bimmerpost.com/forums/sh....php?t=1750567
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      10-20-2020, 08:11 PM   #20
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      10-20-2020, 11:49 PM   #21
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Quote:
Originally Posted by dopper99 View Post
Quote:
Originally Posted by johnboysafc View Post
Ive missed all this regrading DIY coding invalidating warranty
I understand it to a degree, BMW shelling out recompense for someone's error. But surely changing start up to M, or changing dash display to M or Alpina. Surely that's just like changing your wallpaper on your PC
Doesn't invalidate warranty when you play around with the display
Of course I'm not doubting this, just miffed as i too was going to be tinkering with my company car to this end using BimmerCode
Doubt work would be pleased if the garage wont cover warranty work because I've changed a few cosmetic things
All seems harsh, they are obviously options within the coding, you are inventing new.
You need to read this....

https://f30.bimmerpost.com/forums/sh....php?t=1750567
Cheers dopper99, rather damning reading and so annoying
Hopefully BMW allow further access in idrive to these harmless cosmetic tweaks
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      10-21-2020, 02:50 PM   #22
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Quote:
Originally Posted by firetitanx View Post
Yup I get this, solution is Sport mode

There sometimes is a pause and then the turbo spools up

It happens when you are going slow and all of a sudden require quick acceleration I have a 330i Msport
Glad it wasn’t just mine.
Perfect response though, sport mode does solve this.

In all fairness I’ve had this in other cars where you need a more aggressive mode to basically drive around the issue (so to speak).
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