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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 > 2 PSI drop after forge DV install.



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      09-20-2010, 04:28 PM   #23
335iLI
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low 90's, I created a whole thread on differences in fuel quality. Gulf 93 octane FTW, Sunoco 93 octane FTL is what I found.
when i was using bp i was only getting 14 15 using shell i get 15 16. this was confirmed by other tuned cars where i live
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      09-21-2010, 12:27 AM   #24
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I actually went back to stock DVs after all the maintenance the Forge DVs required. They hold boost perfectly fine and I push up to 18psi at times. Personally I think they're a waste.
I am very interested to hear what maintaince too? Also guys can you chime in on using the the yellow vs green springs. I am running GIAC stage 1 and making about 14psi..can I still use the yellows? I have heard many folks going back to OEM DVs wondering why?..I have been told Forge DVs are really solid..any and all thoughts?..this is the last mod I am shopping for.
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      09-21-2010, 10:20 PM   #25
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i found the leak car runs amazing now holds 16 and throttle response is back to normal. went and tightened everything today found that one of the clamps gave loose on the the hose on the back intake side. i bought a new o ring clamp torqued it down and car feels amazing.
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      09-21-2010, 10:23 PM   #26
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Good to hear OP... this thread had me second guessing my Forge DV's. Glad you got it worked out!
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      09-21-2010, 10:23 PM   #27
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Originally Posted by 335iLI View Post
i found the leak car runs amazing now holds 16 and throttle response is back to normal. went and tightened everything today found that one of the clamps gave loose on the the hose on the back intake side. i bought a new o ring clamp torqued it down and car feels amazing.
So it wasnt the OEM DVs? they were fine..r u still feelin difference with Forge DVs?
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      09-22-2010, 08:29 AM   #28
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Originally Posted by tibra1 View Post
So it wasnt the OEM DVs? they were fine..r u still feelin difference with Forge DVs?
Its really hard to tell throttle response feels better. I should have datalogged a 2nd to5th gear pull with stock vs forged dvs.
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      09-22-2010, 07:22 PM   #29
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Quote:
Originally Posted by tibra1 View Post
I am very interested to hear what maintaince too? Also guys can you chime in on using the the yellow vs green springs. I am running GIAC stage 1 and making about 14psi..can I still use the yellows? I have heard many folks going back to OEM DVs wondering why?..I have been told Forge DVs are really solid..any and all thoughts?..this is the last mod I am shopping for.

for those concerned about taking care of your dv

http://www.forgemotorsport.com/media...ice%281%29.pdf
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