Reduce turbo whine?

crazydrummer · 01-06-2011, 10:53 PM

Hey guys is there any real way to reduce turbo whine? I put my AR downpipes on and now all I can hear with the windows down under acceleration is "whooooosh" instead of the nice exhaust note.

ETS Michael · 01-06-2011, 10:56 PM

Put back on the stock downpipes

I know what you mean though.. I'm testing out a possible resonator.

Dackz · 01-06-2011, 11:04 PM

Quote:

Originally Posted by crazydrummer

Hey guys is there any real way to reduce turbo whine? I put my AR downpipes on and now all I can hear with the windows down under acceleration is "whooooosh" instead of the nice exhaust note.

Do you mean turbo SPOOL or turbo WHINE? Big difference....the whooosh is normal turbo spooling. If you have a WHINE, like whirring noise, or sounds like a big ass cummins/ford diesel, or cement truck, thats the siren noise, more of a sign of the turbo's starting to wear and fail.

crazydrummer · 01-07-2011, 11:05 AM

I'm pretty sure it's just spool up as I had it on my previous 335i with just dci. It's just the downpipes that cause me to hear so much more. Going try and take a video. Thinking about putting stock dp's back on to see of I can hear anything aswell

Jeff@TopGearSolutions · 01-07-2011, 11:09 AM

Gotta pay to play my friend. Its common to have this noise after DP's.

ttbmer · 01-07-2011, 11:30 AM

Me too! After DPs I can hear a sound coming from the passenger side, (glove comparment) even with the littlest acceleration (weeeeeeuuuuu) some like that!! Hahaha hard to explain. And it can only be heard from inside.

Dackz · 01-07-2011, 11:35 AM

Yea, the DP's allow the turbos to spool faster. Its normal for that.

turbo2nr · 01-07-2011, 11:46 AM

WWhhaatt? you dont know to hear your turbo?? i dont understand

Clap135 · 01-07-2011, 11:51 AM

Put a hpf exhaust on it.....then u or those around u won't hear anything but rasp drone and grumbling noise lol

I335 · 01-07-2011, 11:53 AM

Switch to catted DPs. I have AR catted DPs and can only barely hear the turbos....

mkPOTO · 01-07-2011, 12:03 PM

Quote:

Originally Posted by ETS Michael

Put back on the stock downpipes

I know what you mean though.. I'm testing out a possible resonator.

+1 on that

crazydrummer · 01-07-2011, 01:17 PM

So i guess i just need to get an full exhaust

**335i** · 01-07-2011, 01:31 PM

Quote:

Originally Posted by crazydrummer

Hey guys is there any real way to reduce turbo whine? I put my AR downpipes on and now all I can hear with the windows down under acceleration is "whooooosh" instead of the nice exhaust note.

i dont have dps only dci and i hear this "whooooosh" its cos of dci so turbos making that noise

thatsosm · 01-07-2011, 01:39 PM

I love that sound, so much more noticeable in the winter

01-06-2011, 10:53 PM	#1
crazydrummer Captain 85 Rep 760 Posts Drives: 335i 08 Join Date: Jan 2010 Location: arkansas iTrader: (14)	Reduce turbo whine? Hey guys is there any real way to reduce turbo whine? I put my AR downpipes on and now all I can hear with the windows down under acceleration is "whooooosh" instead of the nice exhaust note. __________________ Current: 2009 E90 Dinan M3. Alpine White Over Bamboo
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01-06-2011, 10:56 PM	#2
ETS Michael Major 76 Rep 1,155 Posts Drives: 335i Join Date: May 2009 Location: Vancouver, WA iTrader: (4)	Put back on the stock downpipes I know what you mean though.. I'm testing out a possible resonator.
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01-07-2011, 11:05 AM	#4
crazydrummer Captain 85 Rep 760 Posts Drives: 335i 08 Join Date: Jan 2010 Location: arkansas iTrader: (14)	I'm pretty sure it's just spool up as I had it on my previous 335i with just dci. It's just the downpipes that cause me to hear so much more. Going try and take a video. Thinking about putting stock dp's back on to see of I can hear anything aswell __________________ Current: 2009 E90 Dinan M3. Alpine White Over Bamboo
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01-07-2011, 11:09 AM	#5
Jeff@TopGearSolutions 3442 Rep 79,211 Posts Drives: C6 Z06, 09 335i, 10 335xi Join Date: Dec 2008 Location: www.TopGearSolutions.com iTrader: (37)	Gotta pay to play my friend. Its common to have this noise after DP's.
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01-07-2011, 11:30 AM	#6
ttbmer Lieutenant Colonel 69 Rep 1,943 Posts Drives: space gray on black 07 335i Join Date: Jul 2010 Location: las Vegas nv iTrader: (15)	Me too! After DPs I can hear a sound coming from the passenger side, (glove comparment) even with the littlest acceleration (weeeeeeuuuuu) some like that!! Hahaha hard to explain. And it can only be heard from inside. __________________ PROCEDE, PWM Vishnu Kit, AR catless DP, BMS DCI, Helix IC, P3 gauge, 25% window tint, mattblack window trim, mattblack roof wrapped. Vorstainer CSL trunk, CF wrapped interior, 18'' Forgestar F14 Matt black, quaife LSD, M3 suspension bits, Mtech front bumper). http://www.youtube.com/watch?v=b8JIB8C8HDA
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01-07-2011, 11:35 AM	#7
Dackz Hates Speed Limits 113 Rep 2,589 Posts Drives: E92 335i Join Date: Sep 2008 Location: Northern CO iTrader: (4)	Yea, the DP's allow the turbos to spool faster. Its normal for that.
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01-07-2011, 11:46 AM	#8
turbo2nr 25to4 20 Rep 224 Posts Drives: e90 335i Join Date: Dec 2010 Location: Nyc iTrader: (0)	WWhhaatt? you dont know to hear your turbo?? i dont understand __________________ 1996 s14 600whp
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01-07-2011, 11:51 AM	#9
Clap135 Brigadier General 103 Rep 3,460 Posts Drives: 2009 N54 Join Date: Jul 2009 Location: Sticky's Mom House iTrader: (1)	Put a hpf exhaust on it.....then u or those around u won't hear anything but rasp drone and grumbling noise lol
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01-07-2011, 11:53 AM	#10
I335 Brigadier General 123 Rep 4,249 Posts Drives: '08 335i Coupe Join Date: Jan 2008 Location: New England iTrader: (11)	Switch to catted DPs. I have AR catted DPs and can only barely hear the turbos....
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01-07-2011, 01:17 PM	#12
crazydrummer Captain 85 Rep 760 Posts Drives: 335i 08 Join Date: Jan 2010 Location: arkansas iTrader: (14)	So i guess i just need to get an full exhaust __________________ Current: 2009 E90 Dinan M3. Alpine White Over Bamboo
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01-07-2011, 01:39 PM	#14
thatsosm Miracle Whip 44 Rep 740 Posts Drives: 07 e90 AW335i Join Date: Apr 2007 Location: NJ/NY iTrader: (1)	I love that sound, so much more noticeable in the winter __________________ 13.16@108.97 2.195 60'
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