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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 > DV's need air filter ?!



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      03-30-2023, 08:34 AM   #1
LucaN54
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DV's need air filter ?!

Need my open dvs air filters?
Bc when u let of the gas, the vacuum pushes the valves and let the air out but after that, comes dirty air in when u dont acceleration?
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      03-30-2023, 08:50 AM   #2
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It shouldn't because on N54 turbos are always a bit spooled and chargepipe never sees vacuum, but install some 1 inch mini filter just in case.
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      03-30-2023, 08:53 AM   #3
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Quote:
Originally Posted by studio54 View Post
It shouldn't because on N54 turbos are always a bit spooled and chargepipe never sees vacuum, but install some 1 inch mini filter just in case.
u are my men ! thx but i think i go without the air filters, ur probably right that, there is always a little boost so no air can go in 👌🏼
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      04-07-2023, 08:20 AM   #4
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You also get a little oil typically unless you have a good catch can that spits out the DV's so it stops the oily mess from spitting on stuff nearby also.
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