Steering Vibration When Braking??--Help!

THEM3KING · 08-12-2013, 09:04 AM

Hey guys need some help here. I know there are a lot of problems with m3s and steering vibration when going 75-90mph but iv searched my problem and no luck with an answer. I just recently came back from a 2 1/2 week vacation and my car was sitting during my vacation. I got back two days ago and when i drove it for the first time i noticed it vibrates when braking. There is no vibration when hitting high speed either. I didnt hit any pot holes or curbs. I checked all tire pressures and there good. Also i am running stock OEM 19s setup, no spacers. Anyone out there that could help or experienced this problem would be greatly appreciated. Thanks guys.

nullrouted · 08-12-2013, 09:05 AM

Not sure on an E92 -- but that's what my E46 did when the FCABs wore out in the front. The steering would be very shaky under braking at any speed.

pkimM3r · 08-12-2013, 09:14 AM

Check brakes? Under light braking? Hard braking?

THEM3KING · 08-12-2013, 09:18 AM

Quote:

Originally Posted by pkim1079

Check brakes? Under light braking? Hard braking?

Vibrates under light and hard braking.

MA///M3 · 08-12-2013, 09:18 AM

Quote:

Originally Posted by pkim1079

Check brakes? Under light braking? Hard braking?

What this guy said. Never had any issues.

pkimM3r · 08-12-2013, 09:23 AM

Quote:

Originally Posted by THEM3KING

Quote:

Originally Posted by pkim1079

Check brakes? Under light braking? Hard braking?

Vibrates under light and hard braking.

It may be something as simple as something caught between brake pad and rotor. Something very small could cause tons of vibration. I would start there.

THEM3KING · 08-12-2013, 09:25 AM

Quote:

Originally Posted by pkim1079

It may be something as simple as something caught between brake pad and rotor. Something very small could cause tons of vibration. I would start there.

Ok will do thanks for the help.

1MOREMOD · 08-12-2013, 09:27 AM

if you drive hard and on stock pads proabably pad deposits on your rotors. makes it feel like you warped them.

smmmurf · 08-12-2013, 09:44 AM

Quote:

Originally Posted by 1MOREMOD

if you drive hard and on stock pads proabably pad deposits on your rotors. makes it feel like you warped them.

This. unless it is debris what OP describes sounds like pad deposits

THEM3KING · 08-12-2013, 10:11 AM

Thanks for the inputs guys really helps a lot.

BimmerRob08 · 08-12-2013, 11:00 AM

Well not so fast, there can be other factors OP. My '08 has some sort of the same issue at that speed range of 75-85mph or so.

First when it was 100% OEM, brakes and wheels, I never had this issue at about 25,000 miles on the clock. Only time I felt vibration while braking was after several laps at the Nurburgring but it was more of a griddy feeling, not steering vibration as you describe and what I feel also. After a few hundred miles of normal driving/braking, the "griddy" feeling will go away because that's OEM brake pad material that has been cooked onto the rotors under hard braking conditions, which really, those pads are not designed for.

Now after installing APracing brakes, I've only tracked it a few times since and I feel a steering wheel slight shake at about 75mph-85mph. I've had AP check the rotors (two sets) calipers, new pads installed, etc. And it seems that the problem probebly isn't the brakes but maybe something else in the steering system, suspension, etc.

I've spent many months along with Stilen's help trying to figure this out and we're pretty sure its not the brakes. I've read that this vehicle suspension is very sensative to road surfaces and at times on certain highway surfaces, the wheel will shake a bit more than on other surfaces. The vibration goes away at much higher speeds that 85mph on smooth highway so I'm thinking this has to be a problem with steering/suspension components.

Anyway, I think if you have not tracked your car, then you probebly are not experiancing brake pad deposite but something else. Have BMW look at your front suspension arms/components. That's what I'm going to be doing here soon.

Good luck!
RB

The Automotive Enthusiast · 08-12-2013, 11:29 AM

Sound to me like the rotors are bent.

elm3 · 08-12-2013, 12:05 PM

Quote:

Originally Posted by 1MOREMOD

if you drive hard and on stock pads proabably pad deposits on your rotors. makes it feel like you warped them.

+1 this.

THEM3KING · 08-12-2013, 12:08 PM

Hey guys just pulled the front rims off and checked both brakes and rotors, no debris in there. Put the rims back on and when for a quick drive. Vibration is gone and everything is back to normal. Im guessing it was just deposits on the rotors that caused the vibration. Thanks for all the help and inputs guys.

thekurgan · 08-12-2013, 12:38 PM

Did you wash the car before vacation?

THEM3KING · 08-12-2013, 01:04 PM

no i didnt, its really dirty and needs a good wash lol

thekurgan · 08-12-2013, 02:19 PM

Quote:

Originally Posted by THEM3KING

no i didnt, its really dirty and needs a good wash lol

Good to know; I had something similar, washed it, had to run out for a work emergency and left the car to dry in the garage, seemed like deposits from rust accumulation.

pkimM3r · 08-12-2013, 03:09 PM

Great! See this forum is useful at times. Lol.

1MOREMOD · 08-12-2013, 03:13 PM

Quote:

Originally Posted by pkim1079

Great! See this forum is useful at times. Lol.

Usually not when I'm involved!

pkimM3r · 08-12-2013, 05:43 PM

Quote:

Originally Posted by 1MOREMOD

Usually not when I'm involved!

Me neither - 98% of the time people just get infuriated with my comments. 100% of the time it is on purpose!

///M Power-Belgium · 08-12-2013, 05:51 PM

Quote:

Originally Posted by pkim1079

Me neither - 98% of the time people just get infuriated with my comments. 100% of the time it is on purpose!

Whats up with the BPM-tune ?

pkimM3r · 08-12-2013, 06:03 PM

Quote:

Originally Posted by ///M Power-Belgium

Whats up with the BPM-tune ?

im planning on going next week - will have the new exhaust set up on by then. I have spoken to him on the phone last week already and so should be good to go.

08-12-2013, 09:04 AM	#1
THEM3KING Second Lieutenant 32 Rep 246 Posts Drives: 2008 BMW M3 e92 Join Date: Apr 2012 Location: North Jersey iTrader: (0)	Steering Vibration When Braking??--Help! Hey guys need some help here. I know there are a lot of problems with m3s and steering vibration when going 75-90mph but iv searched my problem and no luck with an answer. I just recently came back from a 2 1/2 week vacation and my car was sitting during my vacation. I got back two days ago and when i drove it for the first time i noticed it vibrates when braking. There is no vibration when hitting high speed either. I didnt hit any pot holes or curbs. I checked all tire pressures and there good. Also i am running stock OEM 19s setup, no spacers. Anyone out there that could help or experienced this problem would be greatly appreciated. Thanks guys.
	Appreciate 0 Tweet Quote

08-12-2013, 09:05 AM	#2
nullrouted Studying... 36 Rep 860 Posts Drives: AW '13 E92 ZCP 6MT M3 Join Date: Apr 2013 Location: North Central Florida iTrader: (0)	Not sure on an E92 -- but that's what my E46 did when the FCABs wore out in the front. The steering would be very shaky under braking at any speed.
	Appreciate 0 Quote

08-12-2013, 09:14 AM	#3
pkimM3r Banned 209 Rep 7,298 Posts Drives: m3 saloon in granny mode. Join Date: Dec 2009 Location: lost angeles iTrader: (0)	Check brakes? Under light braking? Hard braking?
	Appreciate 0 Quote

08-12-2013, 09:27 AM	#8
1MOREMOD - 11818 Rep 23,187 Posts Drives: Race car-> Join Date: Mar 2009 Location: check your mirrors iTrader: (5)	if you drive hard and on stock pads proabably pad deposits on your rotors. makes it feel like you warped them. __________________ 02 Tiag e46 M3\|6MT\|GC plates\|MCS c.o.\|GC bars\|GC race control arms\|GC bushings\|BW eng. & tran. mounts\|subframe kit\|BW race shifter\|BW Jaffster\|Euro header\|BW exhaust\|K&N c.a.i.\|Epic race tune\|Rouge pulleys\|Seibon CF hood\|CSL bumper\|apr gt 250 & splitter\|ST-40\|XR-2\|SS lines\|half cage\|Recaro profi\|Profi 2 harness\|BMWpedals\|BW studs\|
	Appreciate 0 Quote

08-12-2013, 10:11 AM	#10
THEM3KING Second Lieutenant 32 Rep 246 Posts Drives: 2008 BMW M3 e92 Join Date: Apr 2012 Location: North Jersey iTrader: (0)	Thanks for the inputs guys really helps a lot.
	Appreciate 0 Quote

08-12-2013, 11:00 AM	#11
BimmerRob08 Major 112 Rep 1,312 Posts Drives: 2008 M3, Space Gray Join Date: Mar 2008 Location: KIKR (ABQ), NM iTrader: (0)	Well not so fast, there can be other factors OP. My '08 has some sort of the same issue at that speed range of 75-85mph or so. First when it was 100% OEM, brakes and wheels, I never had this issue at about 25,000 miles on the clock. Only time I felt vibration while braking was after several laps at the Nurburgring but it was more of a griddy feeling, not steering vibration as you describe and what I feel also. After a few hundred miles of normal driving/braking, the "griddy" feeling will go away because that's OEM brake pad material that has been cooked onto the rotors under hard braking conditions, which really, those pads are not designed for. Now after installing APracing brakes, I've only tracked it a few times since and I feel a steering wheel slight shake at about 75mph-85mph. I've had AP check the rotors (two sets) calipers, new pads installed, etc. And it seems that the problem probebly isn't the brakes but maybe something else in the steering system, suspension, etc. I've spent many months along with Stilen's help trying to figure this out and we're pretty sure its not the brakes. I've read that this vehicle suspension is very sensative to road surfaces and at times on certain highway surfaces, the wheel will shake a bit more than on other surfaces. The vibration goes away at much higher speeds that 85mph on smooth highway so I'm thinking this has to be a problem with steering/suspension components. Anyway, I think if you have not tracked your car, then you probebly are not experiancing brake pad deposite but something else. Have BMW look at your front suspension arms/components. That's what I'm going to be doing here soon. Good luck! RB
	Appreciate 0 Quote

08-12-2013, 11:29 AM	#12
The Automotive Enthusiast Retired BMW Genius 2903 Rep 3,404 Posts Drives: 2018 Audi S5 Coupe Join Date: Apr 2010 Location: DMV iTrader: (1)	Sound to me like the rotors are bent.
	Appreciate 0 Quote

08-12-2013, 12:08 PM	#14
THEM3KING Second Lieutenant 32 Rep 246 Posts Drives: 2008 BMW M3 e92 Join Date: Apr 2012 Location: North Jersey iTrader: (0)	Hey guys just pulled the front rims off and checked both brakes and rotors, no debris in there. Put the rims back on and when for a quick drive. Vibration is gone and everything is back to normal. Im guessing it was just deposits on the rotors that caused the vibration. Thanks for all the help and inputs guys.
	Appreciate 0 Quote

08-12-2013, 12:38 PM	#15
thekurgan Bad Lieutenant 233 Rep 3,517 Posts Drives: E90M3 Join Date: Aug 2007 Location: Sacramento iTrader: (0) Garage List 2008 BMW M3 [0.00]	Did you wash the car before vacation? __________________ 02 E39M5 \| TiAg/Schwartz \| Tubi Rumore \| Ultimate Ti Pedals \| E60 SSK \| Jim Blanton 3.45 40/100% \| Coby Alcantara \| StrongStrut STB
	Appreciate 0 Quote

08-12-2013, 01:04 PM	#16
THEM3KING Second Lieutenant 32 Rep 246 Posts Drives: 2008 BMW M3 e92 Join Date: Apr 2012 Location: North Jersey iTrader: (0)	no i didnt, its really dirty and needs a good wash lol
	Appreciate 0 Quote

08-12-2013, 03:09 PM	#18
pkimM3r Banned 209 Rep 7,298 Posts Drives: m3 saloon in granny mode. Join Date: Dec 2009 Location: lost angeles iTrader: (0)	Great! See this forum is useful at times. Lol.
	Appreciate 0 Quote