whats this?

rossmelvin · 03-01-2006, 04:06 PM

took these near the tailpipe

JackMac · 03-01-2006, 04:21 PM

Opens the 2nd exhaust port at higher engine RPM for better breathing.

rossmelvin · 03-01-2006, 04:25 PM

but mine is open all the time? what about the first pic?

longtran · 03-01-2006, 05:52 PM

first picture is the bumper stop for the exhaust i guess.

poldim · 03-01-2006, 06:26 PM

Quote:

Originally Posted by rossmelvin

took these near the tailpipe

The second pictures is the valve which operates similar to a wastegate, vaccum/pressure driven to open at a certain point. This allows it to have backpressure when needed and have more flow when it is needed.

The second pic I have no idea about. Can you take a less zoomed in picture to give it some more perspective?

hotsand5 · 03-01-2006, 07:10 PM

the valve will close when the car is cold to help aid the engine get warmer faster.

poldim · 03-01-2006, 07:18 PM

Quote:

Originally Posted by hotsand5

the valve will close when the car is cold to help aid the engine get warmer faster.

I'm pretty sure its pressure and not temperature regulated.

rossmelvin · 03-01-2006, 07:32 PM

more pics of first one (thats the driver's side rear wheel)

hotsand5 · 03-01-2006, 07:59 PM

pressure regulated flap yes, but I still believe that it is used for the warming of the engine and exhaust gasses (creates lower emissions) and is controlled by the engine temp.

Ryan@Motorwerks · 03-01-2006, 08:55 PM

Tracking device.....yes the government is watching you.

btc · 03-01-2006, 09:01 PM

the first picture is a vibration absorber (32Hz) as per info from E90fleet.

see link below...

http://www.e90post.com/forums/showthread.php?t=5909

poldim · 03-01-2006, 10:14 PM

Quote:

Originally Posted by btc

the first picture is a vibration absorber (32Hz) as per info from E90fleet.

see link below...

http://www.e90post.com/forums/showthread.php?t=5909

Good link btc, havent seen that.

SCA · 03-01-2006, 10:20 PM

Quote:

Originally Posted by hotsand5

pressure regulated flap yes, but I still believe that it is used for the warming of the engine and exhaust gasses (creates lower emissions) and is controlled by the engine temp.

Temp has nothing to do with it. Poldim is correct.

BMW0 · 03-01-2006, 10:25 PM

Nice to know, I was wondering the same thing.

03-01-2006, 04:06 PM	#1
rossmelvin Second Lieutenant 48 Rep 292 Posts Drives: E90 330i & E60 530i Join Date: Nov 2005 Location: jax,fl iTrader: (0)	whats this? took these near the tailpipe Attached Images __________________ 2006- 530i 2006- 330i Vovlo XC90 V8 Sport - saved my life. 2004 Volvo V70R AWD- Sold
	Appreciate 0 Tweet Quote

03-01-2006, 04:21 PM	#2
JackMac Recovering BMW Addict 151 Rep 1,914 Posts Drives: <OO (\|\|\|)(\|\|\|) OO> Join Date: Nov 2005 Location: Southeast PA iTrader: (7) Garage List 2010 MINI John Coop ... [9.66]	Opens the 2nd exhaust port at higher engine RPM for better breathing.
	Appreciate 0 Quote

03-01-2006, 04:25 PM	#3
rossmelvin Second Lieutenant 48 Rep 292 Posts Drives: E90 330i & E60 530i Join Date: Nov 2005 Location: jax,fl iTrader: (0)	but mine is open all the time? what about the first pic? __________________ 2006- 530i 2006- 330i Vovlo XC90 V8 Sport - saved my life. 2004 Volvo V70R AWD- Sold
	Appreciate 0 Quote

03-01-2006, 05:52 PM	#4
longtran Lieutenant General 1429 Rep 16,628 Posts Drives: E90 M3 Join Date: Jul 2005 Location: CA iTrader: (105) Garage List 2006 325i [0.00]	first picture is the bumper stop for the exhaust i guess.
	Appreciate 0 Quote

03-01-2006, 07:10 PM	#6
hotsand5 hotsand5 49 Rep 806 Posts Drives: 2006 BMW 330i 6spd Join Date: Nov 2005 Location: chicago iTrader: (0) Garage List 2006 330i [0.00]	the valve will close when the car is cold to help aid the engine get warmer faster. __________________ -2006 BMW 330i-Sapphire Black- Tera Leather-Aluminum trim- 6spd manual- Sport- Premium- Cold- Navigation- Euro. delivery -2005 Yamaha Warrior 1700 102cu"
	Appreciate 0 Quote

03-01-2006, 07:32 PM	#8
rossmelvin Second Lieutenant 48 Rep 292 Posts Drives: E90 330i & E60 530i Join Date: Nov 2005 Location: jax,fl iTrader: (0)	more pics of first one (thats the driver's side rear wheel) Attached Images __________________ 2006- 530i 2006- 330i Vovlo XC90 V8 Sport - saved my life. 2004 Volvo V70R AWD- Sold
	Appreciate 0 Quote

03-01-2006, 07:59 PM	#9
hotsand5 hotsand5 49 Rep 806 Posts Drives: 2006 BMW 330i 6spd Join Date: Nov 2005 Location: chicago iTrader: (0) Garage List 2006 330i [0.00]	pressure regulated flap yes, but I still believe that it is used for the warming of the engine and exhaust gasses (creates lower emissions) and is controlled by the engine temp. __________________ -2006 BMW 330i-Sapphire Black- Tera Leather-Aluminum trim- 6spd manual- Sport- Premium- Cold- Navigation- Euro. delivery -2005 Yamaha Warrior 1700 102cu"
	Appreciate 0 Quote

03-01-2006, 08:55 PM	#10
Ryan@Motorwerks Captain 48 Rep 963 Posts Drives: X3M Join Date: Oct 2005 Location: Houston, TX iTrader: (0)	Tracking device.....yes the government is watching you.
	Appreciate 0 Quote

03-01-2006, 09:01 PM	#11
btc Second Lieutenant 63 Rep 279 Posts Drives: 06/330i/SB/TERA/AL Join Date: Apr 2005 Location: Bakersfield,CA iTrader: (6) Garage List 2006 330i [0.00]	the first picture is a vibration absorber (32Hz) as per info from E90fleet. see link below... http://www.e90post.com/forums/showthread.php?t=5909
	Appreciate 0 Quote

03-01-2006, 10:25 PM	#14
BMW0 Colonel 235 Rep 2,059 Posts Drives: AW E90 330i Join Date: Nov 2005 Location: Spokane, WA iTrader: (0) Garage List 2006 330i [0.00]	Nice to know, I was wondering the same thing. __________________ 330i 6MT l 255 HP @ 5900 rpm 214 lb-ft Torque @ 3500 rpm l Alpine White l Beige l Aluminum l ZSP l 494 l PDC "Freude am Fahren" = "Joy to Drive"
	Appreciate 0 Quote