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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Advice please. To blow off buying for the N54?



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      08-05-2010, 01:27 AM   #1
jibahia
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Advice please. To blow off buying for the N54?

Performance of the car is it?
Its installation is complicated?
Thank you very much
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      08-05-2010, 01:34 AM   #2
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It's super difficult to understand what you're saying/asking.

I'm guessing it's advice on weather or not to buy a blow off valve but you want to know if there are performance gains and the difficulty of installation.

Installing one is simple as long as it's flanged for the stock pipes which most aren't. Otherwise you'll have to upgrade the cold side charge pipe.

Performance won't really matter at stock boost levels unless your current dv's are defective. Getting into higher boost will definitely pose a potential problem on the oem dv's though as they tend to leak at higher pressures.
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      08-05-2010, 01:53 AM   #3
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2010 335  [8.00]
omgut i just read that and almost threw up
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      08-05-2010, 01:56 AM   #4
jibahia
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Quote:
Originally Posted by tvieira24 View Post
It's super difficult to understand what you're saying/asking.

I'm guessing it's advice on weather or not to buy a blow off valve but you want to know if there are performance gains and the difficulty of installation.

Installing one is simple as long as it's flanged for the stock pipes which most aren't. Otherwise you'll have to upgrade the cold side charge pipe.

Performance won't really matter at stock boost levels unless your current dv's are defective. Getting into higher boost will definitely pose a potential problem on the oem dv's though as they tend to leak at higher pressures.
thank you very much for your quick response.
counsel of any special? I have thought of buying a Forge DV. Is this appropriate?
Sorry for my English is very poor
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      08-05-2010, 02:33 AM   #5
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Forge DV's are great options. If you want to blow off to the atmosphere the Tial is probably a better way to go since it's designed to vent.
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