Throttle Response Questions

OldCrow7xx · 10-03-2020, 06:43 PM

Guys my car pulls like a greek god once the throttle gets open, but I have to absolutely mash the accelerator pedal to get it to respond. Its like there is no middle ground between 25 percent throttle and 90 percent throttle...it just lags and chugs until you basically floor it. Around town its hard to drive this way with basically two throttle settings- on or off.

Could this be an issue with the tune?

Is there a way to fix this with a tune?

Could it just be an actual issue with an oem part?

How can I troubleshoot or tune something like this?

Thanks

overcoil · 10-03-2020, 07:54 PM

when you manually shift at around 3500-4000 rpm in each gear does it still lag ?

Mason Hatcher · 10-03-2020, 08:42 PM

Was it running right before the tune?

OldCrow7xx · 10-04-2020, 07:24 AM

Quote:

Originally Posted by Mason Hatcher

Was it running right before the tune?

Not really I have always found the car to be very fast but unresponsive.

I guess I could try flashing back to stock map today and see if its still challenged. I can also try to stage 0+ map to compare that too.

OldCrow7xx · 10-04-2020, 07:28 AM

Quote:

Originally Posted by ScottSinger

when you manually shift at around 3500-4000 rpm in each gear does it still lag ?

It does make a thud and bumping sound sometimes on hard shifts but I will have to double check the rpm.

My instincts say it could actually be 3500-4000 because it always happens when I get on the throttle hard but shift way before redline. Could probably be close to 4000 rpm.

overcoil · 10-04-2020, 12:12 PM

Quote:

Originally Posted by OldCrow7xx

It does make a thud and bumping sound sometimes on hard shifts but I will have to double check the rpm.

My instincts say it could actually be 3500-4000 because it always happens when I get on the throttle hard but shift way before redline. Could probably be close to 4000 rpm.

How old is your battery and how does it measure ?

OldCrow7xx · 10-04-2020, 12:45 PM

Quote:

Originally Posted by ScottSinger

Quote:

Originally Posted by OldCrow7xx

It does make a thud and bumping sound sometimes on hard shifts but I will have to double check the rpm.

My instincts say it could actually be 3500-4000 because it always happens when I get on the throttle hard but shift way before redline. Could probably be close to 4000 rpm.

How old is your battery and how does it measure ?

OG from 2016- Does BM3 have on board guage for that? I dont think the bmw software gives me a read out on screen..

MidwayMuller · 10-04-2020, 08:35 PM

Before you start tearing into things, have you tried the throttle adaptation reset?

https://www.2addicts.com/forums/show....php?t=1020477

OldCrow7xx · 10-04-2020, 09:07 PM

Quote:

Originally Posted by MidwayMuller

Before you start tearing into things, have you tried the throttle adaptation reset?

https://www.2addicts.com/forums/show....php?t=1020477

This could be totally plausible because in dc traffic I used to drive like a granny for 3 hours a day goosing the throttle in eco mode.

If it has machine learning for driving style I would have taught it all the wrong things!

MidwayMuller · 10-04-2020, 10:02 PM

Quote:

Originally Posted by OldCrow7xx

This could be totally plausible because in dc traffic I used to drive like a granny for 3 hours a day goosing the throttle in eco mode.

If it has machine learning for driving style I would have taught it all the wrong things!

I had the same kind of deal from driving in Seattle traffic. Came up a lot more once the roads cleared out, so I tried this and it made a huge difference.

Curious to see if it helps yours, though mine was stock at the time.

swc5150 · 10-05-2020, 02:27 PM

Glad I stumbled on this thread. Mine has felt a little sluggish on the throttle lately, so I did the reset and it's back to life again! I would not have believed this had I not tried it.

OldCrow7xx · 10-05-2020, 03:42 PM

Quote:

Originally Posted by swc5150

Glad I stumbled on this thread. Mine has felt a little sluggish on the throttle lately, so I did the reset and it's back to life again! I would not have believed this had I not tried it.

Another case of the engineers really over engineering us out of our cars! Its a great idea conceptually, but I feel like in real life this feature is a net negative.

swc5150 · 10-05-2020, 03:59 PM

Quote:

Originally Posted by OldCrow7xx

Another case of the engineers really over engineering us out of our cars! Its a great idea conceptually, but I feel like in real life this feature is a net negative.

Agreed, it's really pretty stupid. Just make the driver adjust to a very responsive throttle. Don't we buy these for such response?? Come on BMW!

OldCrow7xx · 10-05-2020, 04:03 PM

Quote:

Originally Posted by swc5150

Agreed, it's really pretty stupid. Just make the driver adjust to a very responsive throttle. Don't we buy these for such response?? Come on BMW!

Yeah I didn't buy a 360hp turbo charged coupe because I wanted a dead pedal lol Conflict of interest there.

10-03-2020, 06:43 PM	#1
OldCrow7xx Lieutenant 73 Rep 439 Posts Drives: 2016 M235i Xdrive 8A Join Date: Oct 2018 Location: 20036 iTrader: (0) Garage List 2013 335i Xdrive [0.00]	Throttle Response Questions Guys my car pulls like a greek god once the throttle gets open, but I have to absolutely mash the accelerator pedal to get it to respond. Its like there is no middle ground between 25 percent throttle and 90 percent throttle...it just lags and chugs until you basically floor it. Around town its hard to drive this way with basically two throttle settings- on or off. Could this be an issue with the tune? Is there a way to fix this with a tune? Could it just be an actual issue with an oem part? How can I troubleshoot or tune something like this? Thanks __________________ SOLD 23K Black 2013 F30 335XI 8A Msport \| BMS Intake \| BMS Front Mount \| VRSF Charge Pipe \| BM3 Tune 2016 F22 M235 8A HK NBTevo \| CTS HEX Intake \| CTS Chargepipe \| Gplus Intercooler \| VRSF DP \| BM3 Stage 2+ \| 18" CSL Replicas \| XHP X-Delete
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10-03-2020, 07:54 PM	#2
overcoil Major General 3074 Rep 5,577 Posts Drives: M235i 6spd Join Date: Dec 2013 Location: Mid-Atlantic iTrader: (0)	when you manually shift at around 3500-4000 rpm in each gear does it still lag ?
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10-03-2020, 08:42 PM	#3
Mason Hatcher Captain 1041 Rep 654 Posts Drives: BMW 230i Join Date: Feb 2019 Location: FW-TX iTrader: (0)	Was it running right before the tune?
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10-04-2020, 08:35 PM	#8
MidwayMuller Enlisted Member 36 Rep 31 Posts Drives: BMW M235i Join Date: Sep 2020 Location: Bellevue WA iTrader: (0)	Before you start tearing into things, have you tried the throttle adaptation reset? https://www.2addicts.com/forums/show....php?t=1020477
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10-05-2020, 02:27 PM	#11
swc5150 Private 42 Rep 85 Posts Drives: Panamera Turbo Join Date: Aug 2020 Location: WI iTrader: (0)	Glad I stumbled on this thread. Mine has felt a little sluggish on the throttle lately, so I did the reset and it's back to life again! I would not have believed this had I not tried it.
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