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Whistling noise from front passenger side
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| 06-18-2014, 12:26 PM | #1 |
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First Lieutenant
 
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Whistling noise from front passenger side
Wanted to see if anyone knows what this noise is. Under acceleration everything is fine and seems strong but as soon as I release throttle on deceleration (only on deceleration) it sounds like air is being released or leaking from the front right side. Its most noticeable when Im next to a barrier as the noise is bouncing back. Is this the wastage rattle everyone talks about it? I would have assumed that type of noise is more like metal on metal. This just sounds like a boost leak or maybe even exhaust leak? I don't know but any insight is appreciated. Thanks
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2007 E92 335i - SOLD
2008 E92 335i - SOLD 2008 G37S - SOLD 2005 G35S - SOLD 1988 RX7 TURBO II - SOLD but never forgotten  |
| 06-18-2014, 12:30 PM | #2 |
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Major
 
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Probably your rear boost tube. Check to make sure it is fully seated.
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07 335XI (A008006) 6AT ~94K miles JB4 G5 ISO VSRF DP's
09 135I M (VK80379) 6MT. Race Project car. 1) Install Cobb/piggyback? and Motiv 600 Kit[HTA3076R w/ tial .82] 2) JRZ or Moton suspension. 3) Build high flow intake manifold with multi-port fuel and relocate OFH 4) Build full cage 5) Complete staged twin setup with HTA4205R [w/Tial 1.16] 6) Complete dry sump system |
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| 06-18-2014, 12:31 PM | #3 | |
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First Lieutenant
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Quote:
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2007 E92 335i - SOLD
2008 E92 335i - SOLD 2008 G37S - SOLD 2005 G35S - SOLD 1988 RX7 TURBO II - SOLD but never forgotten |
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| 06-18-2014, 12:45 PM | #4 |
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Major
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It is the black plastic tube connected to the intake of the rear turbo. You need to pull the belly pan. It should be fully seated.
Here is a thread with some pics and a possible fix. http://www.e90post.com/forums/showth...boost+tube+fix
__________________
07 335XI (A008006) 6AT ~94K miles JB4 G5 ISO VSRF DP's
09 135I M (VK80379) 6MT. Race Project car. 1) Install Cobb/piggyback? and Motiv 600 Kit[HTA3076R w/ tial .82] 2) JRZ or Moton suspension. 3) Build high flow intake manifold with multi-port fuel and relocate OFH 4) Build full cage 5) Complete staged twin setup with HTA4205R [w/Tial 1.16] 6) Complete dry sump system |
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| 06-18-2014, 12:46 PM | #5 | |
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First Lieutenant
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Rep 372
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Quote:
__________________
2007 E92 335i - SOLD
2008 E92 335i - SOLD 2008 G37S - SOLD 2005 G35S - SOLD 1988 RX7 TURBO II - SOLD but never forgotten |
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| 06-18-2014, 12:51 PM | #6 |
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First Lieutenant
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Actually after looking at the pics, it shows from top down over but the intake manifold. Do you mean to remove the belly pan so that you can follow it to the actual turbo? So that both sides are seated fully? thanks
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2007 E92 335i - SOLD
2008 E92 335i - SOLD 2008 G37S - SOLD 2005 G35S - SOLD 1988 RX7 TURBO II - SOLD but never forgotten |
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| 06-18-2014, 12:52 PM | #7 |
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Major
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3rd pic is from the bottom up. It is on the right side of the engine towards the firewall.
__________________
07 335XI (A008006) 6AT ~94K miles JB4 G5 ISO VSRF DP's
09 135I M (VK80379) 6MT. Race Project car. 1) Install Cobb/piggyback? and Motiv 600 Kit[HTA3076R w/ tial .82] 2) JRZ or Moton suspension. 3) Build high flow intake manifold with multi-port fuel and relocate OFH 4) Build full cage 5) Complete staged twin setup with HTA4205R [w/Tial 1.16] 6) Complete dry sump system |
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Appreciate
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| 06-18-2014, 12:54 PM | #8 | |
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First Lieutenant
27
Rep 372
Posts |
Quote:
__________________
2007 E92 335i - SOLD
2008 E92 335i - SOLD 2008 G37S - SOLD 2005 G35S - SOLD 1988 RX7 TURBO II - SOLD but never forgotten |
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