Cold start issue, revs problems..

Obrfso · 02-09-2012, 10:03 AM

Hi Guys,

When i start my m3 in the morning, only when cold engine, the revs are jumping from 1500-500 rpm...They cant stay stable... After few seconds it stops and everything is fine... It happens only when cold engine..

Do you know why it could be?

Thanks alot!!!

THE TECH · 02-09-2012, 10:28 AM

Seriously?

JCtx · 02-09-2012, 11:22 AM

Quote:

Originally Posted by Obrfso

Do you know why it could be?

My take is your ICV (idle control valve) is on the way out, especially if your car is an '08 or an early '09 (next time state model year and mileage man). A few rpm fluctuation is normal, but not that radical. At some point you'll get all the warnings; then it's time to take the car in. You can usually clear the warnings a few times by turning engine off then on again, but after that they'll stay permanently, and you'd be in 'limp mode'. Unless you're dealing with a dealer which has fixed that issue before, you'd be wasting your time without the engine warnings due to no codes in the DME. I wouldn't embark on a long trip until you get that issue resolved. Good luck.

Grail05 · 02-09-2012, 11:38 AM

Quote:

Originally Posted by SehrSchnell

Normal.

really? mine doesnt do that..

on cold start its usually at 1k then drops to 800... but thats even rare... mine is usually at 800rpm at cold start then drops to 700-600.....

never seen mine went up to 1500 at cold start...

IMG · 02-09-2012, 12:04 PM

You should get your ICV checked by the dealer.

kitw · 02-09-2012, 12:18 PM

Not normal, as other posters said, get your ICV checked.

Singletrack · 02-09-2012, 12:38 PM

Tune or stock?

If tuned, could be a fuel issue...

If stock, most likely ICV as others have stated. What year is your car? ICV was common on early 08 and before in US.

M3PO · 02-09-2012, 01:21 PM

My ICV is on it's way out. Mine isn't as far along as the OP's though. The dealer won't do anything because there aren't any codes/faults yet. Warranty is up in May.

Obrfso · 02-11-2012, 04:44 AM

My car is 2009 m3 e90..Absolutely stock, nothing tuned.. I went to the dealer and they said as well that there are no codes/faults... They can't do anything...Below the link to the clip explaining what's happening:
http://m.youtube.com/index?desktop_u...?v=vR95rZMT6tc

Obrfso · 02-11-2012, 04:46 AM

Ps. The car has done 40.000 km...so basically nothing...I use it very rarely..

Singletrack · 02-11-2012, 12:07 PM

Quote:

Originally Posted by Obrfso

My car is 2009 m3 e90..Absolutely stock, nothing tuned.. I went to the dealer and they said as well that there are no codes/faults... They can't do anything...Below the link to the clip explaining what's happening:
http://m.youtube.com/index?desktop_u...?v=vR95rZMT6tc

I don't think this link is correct...

Obrfso · 02-22-2012, 05:30 AM

Why is it not correct? It shows exactly what is happening to my car...

mmm def · 02-22-2012, 06:48 AM

link didn't work for me either

klammer · 02-22-2012, 07:32 AM

Link worked for me. Does NOT sound norma, have it checked, good luck.

Novus · 02-22-2012, 02:43 PM

Non-mobile link:

stefan · 02-22-2012, 03:30 PM

Not normal. Probably ICV related. elp_jc can probably comment on this..

Mr.MichaelM3 · 02-22-2012, 03:35 PM

ICV!!

Singletrack · 02-22-2012, 06:51 PM

Definitely not normal.

Obrfso · 02-28-2012, 07:49 AM

Guys next week I am giving my car to the garage to get the ICV checked. I will let you know. Thanks for the help!!!

Obrfso · 03-22-2012, 04:28 PM

Hello everyone, I can proudly say that I solved my problem. I decided to changed the icv so as the vent which is at he back of the car. When I started it the first time, nothing has changed but when I went for the drive and left it everything became fine... ICV WAS THE CASE!!! Thanks everyone for help.

Singletrack · 03-22-2012, 05:20 PM

Good for you! Glad it is resolved!

PAKMAN · 03-22-2012, 06:32 PM

Hey guys I'm having similar problems with my 2011.5 dct. On cold starts while going down my driveway and stopping it jumps from 5-1.5k for constantly for about three times and stops. You guy think it's the icv as well??

02-09-2012, 10:03 AM	#1
Obrfso Private 9 Rep 60 Posts Drives: BMW m3 e90 Join Date: Oct 2011 Location: Germany iTrader: (0)	Cold start issue, revs problems.. Hi Guys, When i start my m3 in the morning, only when cold engine, the revs are jumping from 1500-500 rpm...They cant stay stable... After few seconds it stops and everything is fine... It happens only when cold engine.. Do you know why it could be? Thanks alot!!!
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02-09-2012, 10:28 AM	#2
THE TECH BimmerPost Supporting Vendor 307 Rep 13,093 Posts Drives: BPMsport 2012 E92 M3 Join Date: Jun 2011 Location: Kansas iTrader: (45) Garage List 2013 Nissan GTR [0.00] 2019 Sierra Denali ... [0.00] 1999 Nissan Silvia [0.00] 1999 Nissan Skyline ... [0.00] 1998 Toyota Supra [0.00]	Seriously?
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02-09-2012, 12:04 PM	#5
IMG 1122 Rep 7,690 Posts Drives: E36 M3 Track car,Ess E90 M3 DD Join Date: Feb 2008 Location: Location iTrader: (6)	You should get your ICV checked by the dealer.
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02-09-2012, 12:18 PM	#6
kitw Colonel 471 Rep 2,991 Posts Drives: F91 M8, 991.2 GT3 Join Date: Jun 2007 Location: Bay Area, CA iTrader: (20)	Not normal, as other posters said, get your ICV checked.
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02-09-2012, 12:38 PM	#7
Singletrack 4th down; 4th quarter? Renegade. 87 Rep 3,850 Posts Drives: 09 SSII E92 M3; 19 FG M5C Join Date: Aug 2008 Location: Pittsburgh, PA iTrader: (3)	Tune or stock? If tuned, could be a fuel issue... If stock, most likely ICV as others have stated. What year is your car? ICV was common on early 08 and before in US.
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02-09-2012, 01:21 PM	#8
M3PO Colonel 84 Rep 2,792 Posts Drives: '08 IB E92 Join Date: Sep 2011 Location: OC iTrader: (7)	My ICV is on it's way out. Mine isn't as far along as the OP's though. The dealer won't do anything because there aren't any codes/faults yet. Warranty is up in May.
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02-11-2012, 04:44 AM	#9
Obrfso Private 9 Rep 60 Posts Drives: BMW m3 e90 Join Date: Oct 2011 Location: Germany iTrader: (0)	My car is 2009 m3 e90..Absolutely stock, nothing tuned.. I went to the dealer and they said as well that there are no codes/faults... They can't do anything...Below the link to the clip explaining what's happening: http://m.youtube.com/index?desktop_u...?v=vR95rZMT6tc
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02-11-2012, 04:46 AM	#10
Obrfso Private 9 Rep 60 Posts Drives: BMW m3 e90 Join Date: Oct 2011 Location: Germany iTrader: (0)	Ps. The car has done 40.000 km...so basically nothing...I use it very rarely..
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02-22-2012, 05:30 AM	#12
Obrfso Private 9 Rep 60 Posts Drives: BMW m3 e90 Join Date: Oct 2011 Location: Germany iTrader: (0)	Why is it not correct? It shows exactly what is happening to my car...
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02-22-2012, 06:48 AM	#13
mmm def Colonel 144 Rep 2,610 Posts Drives: 21 330, 19 ND2 RF, 11 RX350 Join Date: Dec 2006 Location: NJ iTrader: (0)	link didn't work for me either
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02-22-2012, 07:32 AM	#14
klammer Brigadier General 97 Rep 3,246 Posts Drives: 11 spc gry m3 e90, 19 X5 Join Date: Jan 2010 Location: chicago iTrader: (0)	Link worked for me. Does NOT sound norma, have it checked, good luck. __________________ mods: track ready stuff
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02-22-2012, 02:43 PM	#15
Novus Lurking Member 3 Rep 20 Posts Drives: 2014 i3 REX Join Date: Dec 2011 Location: Austin, TX iTrader: (0)	Non-mobile link:
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02-22-2012, 03:30 PM	#16
stefan Brigadier General 2354 Rep 4,254 Posts Drives: M2 Comp Join Date: Feb 2008 Location: North iTrader: (2)	Not normal. Probably ICV related. elp_jc can probably comment on this.. __________________ ///M Power
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02-22-2012, 03:35 PM	#17
Mr.MichaelM3 First Lieutenant 67 Rep 373 Posts Drives: 2022 M3XC Join Date: Oct 2010 Location: North Jersey iTrader: (0)	ICV!! __________________ 2010 E90 M3 ESS-vt1 550 SOLD but never forgotten 2015 F80 M3: JB4 and MPE 2022 G80 M3CX: At port
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02-22-2012, 06:51 PM	#18
Singletrack 4th down; 4th quarter? Renegade. 87 Rep 3,850 Posts Drives: 09 SSII E92 M3; 19 FG M5C Join Date: Aug 2008 Location: Pittsburgh, PA iTrader: (3)	Definitely not normal.
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02-28-2012, 07:49 AM	#19
Obrfso Private 9 Rep 60 Posts Drives: BMW m3 e90 Join Date: Oct 2011 Location: Germany iTrader: (0)	Guys next week I am giving my car to the garage to get the ICV checked. I will let you know. Thanks for the help!!!
	Appreciate 0 Quote

03-22-2012, 04:28 PM	#20
Obrfso Private 9 Rep 60 Posts Drives: BMW m3 e90 Join Date: Oct 2011 Location: Germany iTrader: (0)	Hello everyone, I can proudly say that I solved my problem. I decided to changed the icv so as the vent which is at he back of the car. When I started it the first time, nothing has changed but when I went for the drive and left it everything became fine... ICV WAS THE CASE!!! Thanks everyone for help.
	Appreciate 0 Quote

03-22-2012, 05:20 PM	#21
Singletrack 4th down; 4th quarter? Renegade. 87 Rep 3,850 Posts Drives: 09 SSII E92 M3; 19 FG M5C Join Date: Aug 2008 Location: Pittsburgh, PA iTrader: (3)	Good for you! Glad it is resolved!
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03-22-2012, 06:32 PM	#22
PAKMAN Lieutenant General 360 Rep 16,214 Posts Drives: 2011 E92 M3 Join Date: May 2006 Location: NORTHERN CALIFORNIA iTrader: (35) Garage List 2011 BMW E92 M3 [9.50] 2006 e90 330i [5.50]	Hey guys I'm having similar problems with my 2011.5 dct. On cold starts while going down my driveway and stopping it jumps from 5-1.5k for constantly for about three times and stops. You guy think it's the icv as well?? __________________ stock car
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