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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E90/E91/E92/E93 (2006 - 2013)

E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 03-02-2013, 08:05 AM
08PELAEZ335I 08PELAEZ335I is offline
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Location: miami
 
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SHOULD I Mount a Blowoff valve on my 335i

i wanna put on a blowoff valve on my 335i just wanted to kno which one i should go with ? & if puting it on will give me any problems in the future or a check engine light !
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  #2  
Old 03-02-2013, 08:35 AM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by 08PELAEZ335I View Post
i wanna put on a blowoff valve on my 335i just wanted to kno which one i should go with ? & if puting it on will give me any problems in the future or a check engine light !

[click here]

You are aware that there are already blowoff valves on your ride?
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Old 03-02-2013, 01:19 PM
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CT CT is offline
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Cal, I think he means externally-discharging BOV's rather than recirculation valves.

OP, every turbo car must have a blow-off valve or you risk over-pressurizing the system every time you let off the gas. You've already got two, actually, but they're aimed back into the inlet-side to not waste that energy.
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Last edited by CT; 03-02-2013 at 01:21 PM.
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Old 03-02-2013, 02:42 PM
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bear-avhistory bear-avhistory is offline
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Only if you are looking for the noise they make.
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Old 03-02-2013, 02:45 PM
aznalan15 aznalan15 is offline
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Old 03-02-2013, 05:19 PM
BashedBarrique BashedBarrique is offline
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Originally Posted by bear-avhistory View Post
Only if you are looking for the noise they make.
WOOOSSSHHH PFFFT!

I HATE that sound. I'm a naturally aspirated guy. If I was going to go forced induction I would prefer mechanical supercharging. Although I know it is less efficient than exhaust gas driven turbocharging it does give RIGHT NOW throttle response.

Sadly it is usually accompanied by its own whining sound track.
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Old 03-03-2013, 08:22 PM
SK328xi SK328xi is offline
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try whistle tips to go with the blow off valve.
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  #8  
Old 03-03-2013, 08:42 PM
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CALWATERBOY CALWATERBOY is offline
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Originally Posted by SK328xi View Post
try whistle tips to go with the blow off valve.

Anyone tried the FlintstonesŪ Quarry Whistle?
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Old 03-03-2013, 09:12 PM
BashedBarrique BashedBarrique is offline
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Originally Posted by SK328xi View Post
try whistle tips to go with the blow off valve.

Oh Jesus, I Googled "whistle tips". So you get the annoying blow off valve noise with none of the associated power.

Great.
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  #10  
Old 03-03-2013, 09:13 PM
BashedBarrique BashedBarrique is offline
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Originally Posted by calwaterboy View Post
anyone tried the flintstonesŪ quarry whistle?
yabba dabba do!
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Old 03-03-2013, 09:53 PM
TXFred TXFred is offline
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Originally Posted by bear-avhistory View Post
Only if you are looking for the noise they make.
The noise is only to tell people that you have a turbo motor.

I figure that the 335i badge and my rapidly receding tail lights will inform them of the fact without me needing to make any excess noise.

Frederic
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