Little Squeek Noise When Shifting Hard.

Definitive · 05-09-2011, 12:19 PM

So I noticed recently that i have a little squeak when up shifting under load. Seems to be anytime, M, no M. Haven't tried all the shift settings.

What do you think this could be? Its just as soon as the next gear engages. Its like a. Little "eeeeh".

To me it sounds like either the rear suspension, or maybe something with the exhaust mounts. But I have no Clue. I was going to get under there with some WD40 and spray a bunch of shit to see if it goes away, but I have not since I know that stuff can actually be bad for certain parts on a car...

Ive tried to pick it up on my go pro, but no luck so far.

D

koxal · 05-09-2011, 12:32 PM

i had a similar sound.
one of the engine mounts were losen, they said and fixed it.

Definitive · 05-09-2011, 12:35 PM

That is interesting. As I have had my car in the shop in the past with what I thought was a broken engine mount. A harsh vibration in WOT first gear. First they said they found Hydraulic fluid and one of the mounts was busted for sure, then they said, everything was fine and no broken mount...

Maybe I need to mount the goPro up front and see what I get... Cause I still have the harsh vibration...

D

Definitive · 05-17-2011, 12:41 PM

Well cars in today. We'll see what they find. And of course it was wet out this morning so when I took the tech for a drive, I coulden't get the tires to stick and no the noise was barley there.

Definitive · 05-24-2011, 03:32 PM

So Picked up the car and the dealer said this, " The techs heard the noise but then after the oil change they went to take out the shop foreman and the noise was gone. Sorry we cant fix something that is not there." I drove out of the parking lot and heard the noise right away...

Ok, listen to in between shifts from first to second gear... I did a front video a rear door/wheelwell video and a rear bumper video. The noise is definitely most prominent at the front of the car. How can the dealer say they cant hear this???

Rapture · 06-14-2011, 07:17 AM

I have the same sound... I have concluded it is the belt slipping on the pullies due to the DCT trans shifting faster than the engine can down rev for the next gear.
The noise was barely audible with stock pullies/belts but has been a bit louder after MS underdrive pullies/belts.
The small amount of slipping is ok, but if it slips more than what we normally hear then it may cause premature belt failure, I suppose. My Cobra would slip the blower belt a little on every shift due to the same problem... If it started to slip badly on acceleration and I didn't notice it would just blow the damn belt up.

L4ces · 06-14-2011, 08:10 PM

Just a thought...
Would it make sense to mark the belt and the pulley with a pen and confirm that under idle the marks continue to line up and then try a 1-2 shift and recheck where they line up? I assume that would be evidence of slippage. Again just a thought.

nisonis · 03-26-2012, 02:30 AM

Thanks for posting the video. It's the same noise I get. It is easily reproduced under load in my car. The sound is a very quick squeak. Did you ever resolve this? Is it the belt slipping for sure?

I have a Dinan underdrive pulley installed in my E93 DCT. I heard it on the first day but it was hard to reproduce for the installation technician. It has been like that now for over a year and few months. The car still runs great. It's been on the track many times without issue. It almost sounds like a blow-off valve on a turbo car. I have gotten used to it but I would like it gone if that is possible.

Please let me know if you ever found root cause and a cure.

Definitive · 03-26-2012, 11:19 PM

I have not figured it out yet, but I will try marking the pulley.D

Ssgohan434 · 04-10-2012, 11:15 PM

Any updates? I'm having a similar sound on up shifts...

Definitive · 04-11-2012, 05:11 PM

Nope

Chowster · 06-20-2012, 05:18 PM

I'm the newest member to join the squeaking DCT crowd here. Any updates, diagnosis tips, or potential resolution? Thanks.

4corners · 06-20-2012, 09:02 PM

I have no idea what I'm talking about but could it be transmission fluid under high pressure squirting through galleys?

mkoesel · 06-21-2012, 08:51 AM

I have this same issue. My concern was that it could be the clutches slipping. It doesn't sound like that's the case though.

Definitive, did you mark your belt and pully and determine that was not the cause?

Xx__xs · 07-08-2012, 10:56 PM

Same exact sound. Having it for the past month or so. Is it even worth telling the dealer about this? Any way of fixing it?

bk_g80_m3 · 11-23-2013, 09:34 PM

Anyone figure this out? My car has it. Is it normal? If not, is there a fix? and if so what is the fix?

Definitive · 11-27-2013, 10:09 AM

I have not done anything with it for a while now. Just had the car at the dealer a few days ago. They say they do not hear anything out of the ordinary. What is interesting, is that after the service, im at 30k, it is almost completly gone, but will come back after a while.

Are you guys lowered? My SA thinks its something with my suspension, but if you guys are not lowered, then it is obviously not.

D

SenorFunkyPants · 11-27-2013, 10:26 AM

I guess you could try wetting the water pump/alternator/ac pump drive belts and see if that resolves it for a few mins.
A bit low tech but if it works at least you know where to start looking.

Edit:

bk_g80_m3 · 11-27-2013, 10:59 PM

Quote:

Originally Posted by Definitive

I have not done anything with it for a while now. Just had the car at the dealer a few days ago. They say they do not hear anything out of the ordinary. What is interesting, is that after the service, im at 30k, it is almost completly gone, but will come back after a while.

Are you guys lowered? My SA thinks its something with my suspension, but if you guys are not lowered, then it is obviously not.

D

Bone stock competition package

Spyris · 12-01-2013, 04:51 PM

e93m 45k miles. dct. has same issue. everything is stock

bk_g80_m3 · 12-06-2013, 05:30 PM

Soo what's the verdict? Normal? They all do it?

I may take mine to the dealer soon for the sound. I just wanted to have a good idea of what it is before I go.

MFL · 04-09-2014, 11:15 AM

I'm taking mine into the dealer for this tomorrow and I will followup with their findings.

05-09-2011, 12:19 PM	#1
Definitive definitivecars.com 353 Rep 3,833 Posts Drives: Elsa - 2015 F80 M3 - YMB/SS Join Date: Aug 2006 Location: So Cal iTrader: (3) Garage List 2011 E90 M3 [6.66] 2009 (Lease up Sept ... [0.00] 2007 (Lease up 6/19 ... [0.00] 2007 (Lease up Octo ... [0.00]	Little Squeek Noise When Shifting Hard. So I noticed recently that i have a little squeak when up shifting under load. Seems to be anytime, M, no M. Haven't tried all the shift settings. What do you think this could be? Its just as soon as the next gear engages. Its like a. Little "eeeeh". To me it sounds like either the rear suspension, or maybe something with the exhaust mounts. But I have no Clue. I was going to get under there with some WD40 and spray a bunch of shit to see if it goes away, but I have not since I know that stuff can actually be bad for certain parts on a car... Ive tried to pick it up on my go pro, but no luck so far. D
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05-09-2011, 12:32 PM	#2
koxal Major 120 Rep 1,246 Posts Drives: 2015 LBB F85 X5M Join Date: Feb 2010 Location: North Jersey iTrader: (7) Garage List 2015 BMW X5M [0.00] 2010 BMW M3 [0.00] 2013 BMW M5 [0.00]	i had a similar sound. one of the engine mounts were losen, they said and fixed it.
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05-09-2011, 12:35 PM	#3
Definitive definitivecars.com 353 Rep 3,833 Posts Drives: Elsa - 2015 F80 M3 - YMB/SS Join Date: Aug 2006 Location: So Cal iTrader: (3) Garage List 2011 E90 M3 [6.66] 2009 (Lease up Sept ... [0.00] 2007 (Lease up 6/19 ... [0.00] 2007 (Lease up Octo ... [0.00]	That is interesting. As I have had my car in the shop in the past with what I thought was a broken engine mount. A harsh vibration in WOT first gear. First they said they found Hydraulic fluid and one of the mounts was busted for sure, then they said, everything was fine and no broken mount... Maybe I need to mount the goPro up front and see what I get... Cause I still have the harsh vibration... D
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05-17-2011, 12:41 PM	#4
Definitive definitivecars.com 353 Rep 3,833 Posts Drives: Elsa - 2015 F80 M3 - YMB/SS Join Date: Aug 2006 Location: So Cal iTrader: (3) Garage List 2011 E90 M3 [6.66] 2009 (Lease up Sept ... [0.00] 2007 (Lease up 6/19 ... [0.00] 2007 (Lease up Octo ... [0.00]	Well cars in today. We'll see what they find. And of course it was wet out this morning so when I took the tech for a drive, I coulden't get the tires to stick and no the noise was barley there.
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05-24-2011, 03:32 PM	#5
Definitive definitivecars.com 353 Rep 3,833 Posts Drives: Elsa - 2015 F80 M3 - YMB/SS Join Date: Aug 2006 Location: So Cal iTrader: (3) Garage List 2011 E90 M3 [6.66] 2009 (Lease up Sept ... [0.00] 2007 (Lease up 6/19 ... [0.00] 2007 (Lease up Octo ... [0.00]	So Picked up the car and the dealer said this, " The techs heard the noise but then after the oil change they went to take out the shop foreman and the noise was gone. Sorry we cant fix something that is not there." I drove out of the parking lot and heard the noise right away... Ok, listen to in between shifts from first to second gear... I did a front video a rear door/wheelwell video and a rear bumper video. The noise is definitely most prominent at the front of the car. How can the dealer say they cant hear this???
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06-14-2011, 07:17 AM	#6
Rapture I'm suckin gas but I'm haulin ass 57 Rep 783 Posts Drives: 2016 M3 ZCP MW/SO Join Date: Sep 2010 Location: OC, CA iTrader: (18)	I have the same sound... I have concluded it is the belt slipping on the pullies due to the DCT trans shifting faster than the engine can down rev for the next gear. The noise was barely audible with stock pullies/belts but has been a bit louder after MS underdrive pullies/belts. The small amount of slipping is ok, but if it slips more than what we normally hear then it may cause premature belt failure, I suppose. My Cobra would slip the blower belt a little on every shift due to the same problem... If it started to slip badly on acceleration and I didn't notice it would just blow the damn belt up. __________________ I didn't build it hoping for your approval, I built it because it meets mine
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06-14-2011, 08:10 PM	#7
L4ces Major 337 Rep 1,489 Posts Drives: 2008 E92 M3 Alpine White Join Date: Aug 2010 Location: NJ - NY iTrader: (0) Garage List 2008 M3 [0.00]	Just a thought... Would it make sense to mark the belt and the pulley with a pen and confirm that under idle the marks continue to line up and then try a 1-2 shift and recheck where they line up? I assume that would be evidence of slippage. Again just a thought.
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03-26-2012, 02:30 AM	#8
nisonis New Member 1 Rep 5 Posts Drives: E93 M3 Join Date: Mar 2012 Location: USA iTrader: (0)	Belt noise? Thanks for posting the video. It's the same noise I get. It is easily reproduced under load in my car. The sound is a very quick squeak. Did you ever resolve this? Is it the belt slipping for sure? I have a Dinan underdrive pulley installed in my E93 DCT. I heard it on the first day but it was hard to reproduce for the installation technician. It has been like that now for over a year and few months. The car still runs great. It's been on the track many times without issue. It almost sounds like a blow-off valve on a turbo car. I have gotten used to it but I would like it gone if that is possible. Please let me know if you ever found root cause and a cure.
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03-26-2012, 11:19 PM	#9
Definitive definitivecars.com 353 Rep 3,833 Posts Drives: Elsa - 2015 F80 M3 - YMB/SS Join Date: Aug 2006 Location: So Cal iTrader: (3) Garage List 2011 E90 M3 [6.66] 2009 (Lease up Sept ... [0.00] 2007 (Lease up 6/19 ... [0.00] 2007 (Lease up Octo ... [0.00]	I have not figured it out yet, but I will try marking the pulley.D
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04-10-2012, 11:15 PM	#10
Ssgohan434 Private 4 Rep 63 Posts Drives: 350z Join Date: Jul 2011 Location: Washington iTrader: (0)	Any updates? I'm having a similar sound on up shifts...
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04-11-2012, 05:11 PM	#11
Definitive definitivecars.com 353 Rep 3,833 Posts Drives: Elsa - 2015 F80 M3 - YMB/SS Join Date: Aug 2006 Location: So Cal iTrader: (3) Garage List 2011 E90 M3 [6.66] 2009 (Lease up Sept ... [0.00] 2007 (Lease up 6/19 ... [0.00] 2007 (Lease up Octo ... [0.00]	Nope
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06-20-2012, 05:18 PM	#12
Chowster E60_to_E90 36 Rep 1,201 Posts Drives: 2011 E90 M3 Join Date: Aug 2010 Location: Surrey, BC, Canada iTrader: (2)	I'm the newest member to join the squeaking DCT crowd here. Any updates, diagnosis tips, or potential resolution? Thanks. __________________ 2011.5 E90 Dinan M3, SS II, M-DCT, EDC, M Drive. 20" MORR VS8.2 wheels Performance Mods: Dinan St.1 suspension, exhaust, intake; TTPs; BPM St.II, DCT, servo tunes Cosmetic Mods: OEM CF splitters, mirrors, center console, spoiler; Arkym CF diffuser; LUX; tint
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06-20-2012, 09:02 PM	#13
4corners Major 391 Rep 1,133 Posts Drives: 2008 Jet Black M3 Coupe Join Date: Feb 2011 Location: Yucca Valley, CA - Kelowna, BC iTrader: (0) Garage List 2003 Blue Bird TC2000 [0.00] 2005 BMW 325Ci [0.00] 2008 BMW M3 [0.00]	I have no idea what I'm talking about but could it be transmission fluid under high pressure squirting through galleys?
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06-21-2012, 08:51 AM	#14
mkoesel Moderator 7509 Rep 19,370 Posts Drives: No BMW for now Join Date: Jun 2006 Location: Canton, MI iTrader: (1)	I have this same issue. My concern was that it could be the clutches slipping. It doesn't sound like that's the case though. Definitive, did you mark your belt and pully and determine that was not the cause?
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07-08-2012, 10:56 PM	#15
Xx__xs Major 201 Rep 1,255 Posts Drives: m6 Join Date: Jun 2010 Location: los angeles iTrader: (1)	Same exact sound. Having it for the past month or so. Is it even worth telling the dealer about this? Any way of fixing it?
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11-23-2013, 09:34 PM	#16
bk_g80_m3 Second Lieutenant 190 Rep 285 Posts Drives: 2017 M2 Join Date: Dec 2007 Location: California iTrader: (0)	Anyone figure this out? My car has it. Is it normal? If not, is there a fix? and if so what is the fix?
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11-27-2013, 10:09 AM	#17
Definitive definitivecars.com 353 Rep 3,833 Posts Drives: Elsa - 2015 F80 M3 - YMB/SS Join Date: Aug 2006 Location: So Cal iTrader: (3) Garage List 2011 E90 M3 [6.66] 2009 (Lease up Sept ... [0.00] 2007 (Lease up 6/19 ... [0.00] 2007 (Lease up Octo ... [0.00]	I have not done anything with it for a while now. Just had the car at the dealer a few days ago. They say they do not hear anything out of the ordinary. What is interesting, is that after the service, im at 30k, it is almost completly gone, but will come back after a while. Are you guys lowered? My SA thinks its something with my suspension, but if you guys are not lowered, then it is obviously not. D
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11-27-2013, 10:26 AM	#18
SenorFunkyPants Brigadier General 2511 Rep 4,381 Posts Drives: 2019 M5 Join Date: Mar 2009 Location: UK iTrader: (0)	I guess you could try wetting the water pump/alternator/ac pump drive belts and see if that resolves it for a few mins. A bit low tech but if it works at least you know where to start looking. Edit: Last edited by SenorFunkyPants; 11-27-2013 at 10:33 AM..
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12-01-2013, 04:51 PM	#20
Spyris Private 10 Rep 69 Posts Drives: None Join Date: Aug 2013 Location: Orange County iTrader: (0)	e93m 45k miles. dct. has same issue. everything is stock Last edited by Spyris; 12-01-2013 at 04:53 PM.. Reason: edit
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12-06-2013, 05:30 PM	#21
bk_g80_m3 Second Lieutenant 190 Rep 285 Posts Drives: 2017 M2 Join Date: Dec 2007 Location: California iTrader: (0)	Soo what's the verdict? Normal? They all do it? I may take mine to the dealer soon for the sound. I just wanted to have a good idea of what it is before I go.
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04-09-2014, 11:15 AM	#22
MFL Major 174 Rep 1,246 Posts Drives: E92 M3 Join Date: Sep 2013 Location: Bellevue, WA iTrader: (3) Garage List 2010 BMW M3 [9.00]	I'm taking mine into the dealer for this tomorrow and I will followup with their findings.
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