"Sticky brakes"/Lurching/Soft Stop issue RESOLVED!!

deanmc · 06-18-2009, 07:23 PM

There's been a lot of threads about this topic, but I just wanted to let you guys know that this is definitely a resolveable issue. I just got my car back from the dealership, after complaining to them that:

1) The car does not come to a smooth stop, even if I'm rolling very slow to a complete stop. The brakes seem to "bite" hard at the very end no matter how soft i step on the pedal.

2) The car will sometimes lurch or jerk forward after letting go of the brakes from a complete stop.

They addressed the issue, and I'm happy to report that my car does not lurch or brake wierd anymore! Here is what the SA wrote on my invoice:

"TEST DROVE VEHICLE WITH SHOP FOREMAN. FOUND MORE THAN LIKELY WHAT THE CUSTOMER COMPLAINT IS DUE TO THE SOFT STOP FEATURE. AS PER FEBRUARY ROUND TABLE, REMOVED SOFT STOP AS PER PROGRAMMING."

There was some discussion about this being a torque converter issue, but if you're experiencing this problem, you might want to look into having the soft stop feature disabled. I have absolutely no problems now coming to a soft, complete stop, and the car also does not lurch foward now after releasing the brakes.

Vnak · 06-18-2009, 07:55 PM

Is this "soft stop" the same thing as the hill-assist feature?

yoiko · 06-18-2009, 10:16 PM

I always wondered why I couldn't stop smoothly on the 335i. I'll mention this problem to my service advisor at my next oil change, Thanks

monacoblue335i · 06-18-2009, 11:24 PM

I thought it's because my car is new...6k miles... I'll mention it when I bring it in for low mileage oil change.

VTECaddict · 06-19-2009, 12:05 AM

what exactly is this so called "soft stop" feature? i havent noticed weird braking on my 330

blue2fire · 06-19-2009, 12:22 AM

Quote:

Originally Posted by VTECaddict

what exactly is this so called "soft stop" feature? i havent noticed weird braking on my 330

Congratulations on the 330i!

How much did you pay for it?

VTECaddict · 06-19-2009, 12:47 AM

Quote:

Originally Posted by blue2fire

Congratulations on the 330i!

How much did you pay for it?

thanks! i paid too much.

adl320 · 06-19-2009, 12:54 AM

If I understand correctly, the soft stop feature basically does what a smooth driver should do during the last few feet of a stop. That is, lift slightly from the brake so that the stop is smooth without the jerk often felt if you just held the brake steady.

In my case, I don't know if it's soft stop or the hill assist. When I pull into my garage, I try to "creep" by feathering the brake the last few inches before I hit my wall. The brakes seem to grab slightly then let go a few tenth's of a second later. Minor annoyance but it is very noticeable. Never had this on my 328i.

Sound like comfort stop?

Aaron

addicted2drums · 06-19-2009, 01:01 AM

i have gotten used to lifting at a stop so i dont notice it so much anymore. but accelerating from a stop i found that if I slightly lift off the brakes, usually feel a slight lurch, the "hill assist" does not kick in.

adl320 · 06-19-2009, 01:08 AM

Will give that a try. Sometimes if I'm sitting at a light with very light pressure on the brake, I can feel the car jump slightly against the brake pressure. This may be due to the A/C compressor though as the RPM changes slightly.

Aaron

LJS330i · 06-19-2009, 07:48 AM

I have the same problem on my 09 335i. I am going to print this out and take it to my SA.

Thanks a lot!

LJS330i

nonford · 06-19-2009, 09:20 AM

Well on my 07 335, when coming to a stop, it feels like you were just tapped in the butt, and you kind of jump forward. Also, this occurs on any slight incline, my driveway is on a incline, and I feel it often. Regardless, the SA called and said BMW is authorizing a new transmission for correction. This is on an auto, with 28k. Far from anything being called a soft stop for me.

ragingclue · 06-19-2009, 09:27 AM

I was having the issue when at a stop. I'd let off the brakes just a little (not enough to get the car moving forward again), and it would lurch forward a couple inches. Felt like I got rear ended. Took it in last November, and they reprogrammed my tansmission software, but it didn't go away.

JmanND · 06-19-2009, 10:05 PM

I have the same thing as this. Creeping up my drive way (slight incline) to park in the garage is when it's most noticable. Passengers always think i'm a shitty driver

darkphantom · 06-20-2009, 03:24 AM

oh thank god, I always get annoyed at lights when I just let go of the brakes, there is a lurch forward...

E90BlackBeauty · 06-20-2009, 02:47 PM

I was wondering why my car did this...i thought it was just a characteristic. Glad to hear about the fix!

NoSoupForU · 06-20-2009, 05:03 PM

Quote:

Originally Posted by deanmc

There's been a lot of threads about this topic, but I just wanted to let you guys know that this is definitely a resolveable issue. I just got my car back from the dealership, after complaining to them that:

1) The car does not come to a smooth stop, even if I'm rolling very slow to a complete stop. The brakes seem to "bite" hard at the very end no matter how soft i step on the pedal.

2) The car will sometimes lurch or jerk forward after letting go of the brakes from a complete stop.

They addressed the issue, and I'm happy to report that my car does not lurch or brake wierd anymore! Here is what the SA wrote on my invoice:

"TEST DROVE VEHICLE WITH SHOP FOREMAN. FOUND MORE THAN LIKELY WHAT THE CUSTOMER COMPLAINT IS DUE TO THE SOFT STOP FEATURE. AS PER FEBRUARY ROUND TABLE, REMOVED SOFT STOP AS PER PROGRAMMING."

There was some discussion about this being a torque converter issue, but if you're experiencing this problem, you might want to look into having the soft stop feature disabled. I have absolutely no problems now coming to a soft, complete stop, and the car also does not lurch foward now after releasing the brakes.

which dealer did you go to? i am from oc too and would like to get this fixed.

kaigoss69 · 06-20-2009, 05:47 PM

I am surprised nobody has suggested the "transmission reset trick". This involves getting in the car, putting in the key, pushing the start button (foot off the brake) so car goes into "A/C" mode, then pushing down and holding the accelerator pedal for about a minute.

I did this on my car and it worked like a charm. Used to have that "brake bite" when coming to a soft stop and "lurching" forward when lifting foot off the brake. Gone the minute after I did this "trick".

Somehow the transmission "learns" your driving style and makes some adjustments and it ends up pushing harder in idle causing these issues.

Just google BMW transmission reset or see this thread: http://www.e90post.com/forums/showth...=gearbox+reset

nonford · 06-20-2009, 06:26 PM

Quote:

Originally Posted by kaigoss69

I am surprised nobody has suggested the "transmission reset trick". This involves getting in the car, putting in the key, pushing the start button (foot off the brake) so car goes into "A/C" mode, then pushing down and holding the accelerator pedal for about a minute.

I did this on my car and it worked like a charm. Used to have that "brake bite" when coming to a soft stop and "lurching" forward when lifting foot off the brake. Gone the minute after I did this "trick".

Somehow the transmission "learns" your driving style and makes some adjustments and it ends up pushing harder in idle causing these issues.

Just google BMW transmission reset or see this thread: http://www.e90post.com/forums/showth...=gearbox+reset

In my case BMW says new transmission. Tried, done that and got the t-shirt...

Bonefish · 06-20-2009, 06:55 PM

subscribing

addicted2drums · 06-22-2009, 11:54 PM

Quote:

Originally Posted by kaigoss69

I am surprised nobody has suggested the "transmission reset trick". This involves getting in the car, putting in the key, pushing the start button (foot off the brake) so car goes into "A/C" mode, then pushing down and holding the accelerator pedal for about a minute.

I did this on my car and it worked like a charm. Used to have that "brake bite" when coming to a soft stop and "lurching" forward when lifting foot off the brake. Gone the minute after I did this "trick".

Somehow the transmission "learns" your driving style and makes some adjustments and it ends up pushing harder in idle causing these issues.

Just google BMW transmission reset or see this thread: http://www.e90post.com/forums/showth...=gearbox+reset

i have never gotten this to work. but i have learned to adapt to the brakes and not a problem anymore.

deanmc · 06-23-2009, 03:33 AM

OK, so after four days of driving it around with the "comfort stop" or "soft stop" turned off, I can definitely say that the rolling to a complete stop is way better than before. It's still there, but the brakes don't bite as bad right before a full stop.

Unfortunately, the lurching after releasing the brakes is still there. I'm pretty convinced at this point that it's a torque converter issue with the auto trannies. It seems to be especially bad when I'm parking, inching forward. Anybody have luck resolving this?

By the way the work was done at Shelly BMW in Buena Park.

06-18-2009, 07:23 PM	#1
deanmc Captain 64 Rep 878 Posts Drives: 2006 325i Join Date: Jun 2009 Location: Orange County, CA iTrader: (15) Garage List 2006 325i [10.00]	"Sticky brakes"/Lurching/Soft Stop issue RESOLVED!! There's been a lot of threads about this topic, but I just wanted to let you guys know that this is definitely a resolveable issue. I just got my car back from the dealership, after complaining to them that: 1) The car does not come to a smooth stop, even if I'm rolling very slow to a complete stop. The brakes seem to "bite" hard at the very end no matter how soft i step on the pedal. 2) The car will sometimes lurch or jerk forward after letting go of the brakes from a complete stop. They addressed the issue, and I'm happy to report that my car does not lurch or brake wierd anymore! Here is what the SA wrote on my invoice: "TEST DROVE VEHICLE WITH SHOP FOREMAN. FOUND MORE THAN LIKELY WHAT THE CUSTOMER COMPLAINT IS DUE TO THE SOFT STOP FEATURE. AS PER FEBRUARY ROUND TABLE, REMOVED SOFT STOP AS PER PROGRAMMING." There was some discussion about this being a torque converter issue, but if you're experiencing this problem, you might want to look into having the soft stop feature disabled. I have absolutely no problems now coming to a soft, complete stop, and the car also does not lurch foward now after releasing the brakes. __________________
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06-18-2009, 07:55 PM	#2
Vnak Private First Class 2 Rep 186 Posts Drives: 07 E90 335i Join Date: Nov 2008 Location: Madera, CA iTrader: (0)	Is this "soft stop" the same thing as the hill-assist feature?
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06-18-2009, 10:16 PM	#3
yoiko First Class 30 Rep 259 Posts Drives: M3 GTS Join Date: Jul 2008 Location: Here iTrader: (0)	I always wondered why I couldn't stop smoothly on the 335i. I'll mention this problem to my service advisor at my next oil change, Thanks
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06-18-2009, 11:24 PM	#4
monacoblue335i Private First Class 4 Rep 116 Posts Drives: E90 335i, E46 M3 Join Date: Sep 2008 Location: SF Bay Area/Taipei iTrader: (2)	I thought it's because my car is new...6k miles... I'll mention it when I bring it in for low mileage oil change.
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06-19-2009, 12:05 AM	#5
VTECaddict Where'd my VTEC go? 481 Rep 6,067 Posts Drives: 06 330i 6MT Join Date: Mar 2009 Location: Seattle, WA iTrader: (4)	what exactly is this so called "soft stop" feature? i havent noticed weird braking on my 330 __________________ AW/Terra \| ZSP \| ZPP \| ZCW \| iDrive \| CA Mods: BC BR coilovers \| Blacklines \| M-tech rear \| dual exhaust \| M3 steering wheel \| BMW SSK \| ZHP shift knob \| High-kick CF spoiler \| NBT Retrofit M3 front control arms \| M3 rear guide rods \| Manzo rear toe and camber links \| Monroe rear shock mounts \| Varrstoen ES1 19x9.5+20 Front, 19x11+25 rear
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06-19-2009, 12:54 AM	#8
adl320 Private First Class 6 Rep 158 Posts Drives: '91 E34 M5 Dinan Stroker Join Date: Nov 2006 Location: Phoenix, AZ iTrader: (0)	If I understand correctly, the soft stop feature basically does what a smooth driver should do during the last few feet of a stop. That is, lift slightly from the brake so that the stop is smooth without the jerk often felt if you just held the brake steady. In my case, I don't know if it's soft stop or the hill assist. When I pull into my garage, I try to "creep" by feathering the brake the last few inches before I hit my wall. The brakes seem to grab slightly then let go a few tenth's of a second later. Minor annoyance but it is very noticeable. Never had this on my 328i. Sound like comfort stop? Aaron __________________ '91 E34 M5 Dinan 3.6 Stroker, Tune, Exhaust, Sways
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06-19-2009, 01:01 AM	#9
addicted2drums Second Lieutenant 7 Rep 220 Posts Drives: e90 Join Date: Apr 2008 Location: California iTrader: (1)	i have gotten used to lifting at a stop so i dont notice it so much anymore. but accelerating from a stop i found that if I slightly lift off the brakes, usually feel a slight lurch, the "hill assist" does not kick in. __________________ "No matter what side of the argument you are on, you always find people on your side you wish were on the other." - Jascha Heifetz
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06-19-2009, 01:08 AM	#10
adl320 Private First Class 6 Rep 158 Posts Drives: '91 E34 M5 Dinan Stroker Join Date: Nov 2006 Location: Phoenix, AZ iTrader: (0)	Will give that a try. Sometimes if I'm sitting at a light with very light pressure on the brake, I can feel the car jump slightly against the brake pressure. This may be due to the A/C compressor though as the RPM changes slightly. Aaron __________________ '91 E34 M5 Dinan 3.6 Stroker, Tune, Exhaust, Sways
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06-19-2009, 07:48 AM	#11
LJS330i Private First Class 4 Rep 131 Posts Drives: 11 E90 335i Join Date: Dec 2008 Location: FL iTrader: (0)	I have the same problem on my 09 335i. I am going to print this out and take it to my SA. Thanks a lot! LJS330i
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06-19-2009, 09:20 AM	#12
nonford Private First Class 8 Rep 105 Posts Drives: 2011 335d, 2019 X3 Join Date: Jun 2009 Location: New Mexico iTrader: (4)	Well on my 07 335, when coming to a stop, it feels like you were just tapped in the butt, and you kind of jump forward. Also, this occurs on any slight incline, my driveway is on a incline, and I feel it often. Regardless, the SA called and said BMW is authorizing a new transmission for correction. This is on an auto, with 28k. Far from anything being called a soft stop for me.
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06-19-2009, 09:27 AM	#13
ragingclue One cam is enough 132 Rep 6,801 Posts Drives: VF Join Date: Oct 2008 Location: mulletville iTrader: (1)	I was having the issue when at a stop. I'd let off the brakes just a little (not enough to get the car moving forward again), and it would lurch forward a couple inches. Felt like I got rear ended. Took it in last November, and they reprogrammed my tansmission software, but it didn't go away.
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06-19-2009, 10:05 PM	#14
JmanND Member 6 Rep 84 Posts Drives: 328i Join Date: Jun 2009 Location: Los Angeles, CA iTrader: (0)	I have the same thing as this. Creeping up my drive way (slight incline) to park in the garage is when it's most noticable. Passengers always think i'm a shitty driver
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06-20-2009, 03:24 AM	#15
darkphantom Banned 597 Rep 5,946 Posts Drives: E93 335i Join Date: Aug 2007 Location: The place for Bimmers iTrader: (4)	oh thank god, I always get annoyed at lights when I just let go of the brakes, there is a lurch forward...
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06-20-2009, 02:47 PM	#16
E90BlackBeauty Private First Class 6 Rep 115 Posts Drives: 2006 325xi Join Date: Mar 2009 Location: New Jersey iTrader: (0)	I was wondering why my car did this...i thought it was just a characteristic. Glad to hear about the fix!
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06-20-2009, 05:47 PM	#18
kaigoss69 Brigadier General 300 Rep 3,969 Posts Drives: '08 335i Join Date: Jul 2008 Location: JAX iTrader: (6)	I am surprised nobody has suggested the "transmission reset trick". This involves getting in the car, putting in the key, pushing the start button (foot off the brake) so car goes into "A/C" mode, then pushing down and holding the accelerator pedal for about a minute. I did this on my car and it worked like a charm. Used to have that "brake bite" when coming to a soft stop and "lurching" forward when lifting foot off the brake. Gone the minute after I did this "trick". Somehow the transmission "learns" your driving style and makes some adjustments and it ends up pushing harder in idle causing these issues. Just google BMW transmission reset or see this thread: http://www.e90post.com/forums/showth...=gearbox+reset
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06-20-2009, 06:55 PM	#20
Bonefish Private First Class 6 Rep 129 Posts Drives: 08 335 Sedan Join Date: May 2009 Location: Maryland iTrader: (1)	subscribing __________________ 08 335 Sedan/Sparkling Graphite/Black Leather Sport Package/Sunroof/Logic 7/Paddle Shifters/ iPod Integration/Heated Seats/Sirius/BMW Assist
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06-23-2009, 03:33 AM	#22
deanmc Captain 64 Rep 878 Posts Drives: 2006 325i Join Date: Jun 2009 Location: Orange County, CA iTrader: (15) Garage List 2006 325i [10.00]	OK, so after four days of driving it around with the "comfort stop" or "soft stop" turned off, I can definitely say that the rolling to a complete stop is way better than before. It's still there, but the brakes don't bite as bad right before a full stop. Unfortunately, the lurching after releasing the brakes is still there. I'm pretty convinced at this point that it's a torque converter issue with the auto trannies. It seems to be especially bad when I'm parking, inching forward. Anybody have luck resolving this? By the way the work was done at Shelly BMW in Buena Park. __________________
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