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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 > Is there any performance gain with DV's?



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      07-17-2009, 01:00 AM   #1
Drakos
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Is there any performance gain with DV's?

I have been considering picking up a set of Forge DV's but don't know if there would be any performance gain. I have an auto so would that nullify the need for an aftermarket DV? I read somewhere once that bov's are a waste of money on autos.
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      07-17-2009, 01:12 AM   #2
roozie2001
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do u have any mods?
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      07-17-2009, 01:16 AM   #3
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I lost power on the dyno with DV's. It was because the stock rubber hose was not a tight enough seal.
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      07-17-2009, 01:31 AM   #4
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no, they will just help hold more boost.
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      07-20-2009, 12:51 PM   #5
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Quote:
Originally Posted by roozie2001 View Post
do u have any mods?
JB3 + AR DP's
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      07-21-2009, 12:58 AM   #6
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no
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      07-21-2009, 01:51 AM   #7
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you wont gain power, but they could keep you from losing power due to the stock parts leaking.

also better on/off throttle transitions I found.
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      07-21-2009, 01:05 PM   #8
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