Forge DVs...HELP!!!

YngPhllyKd · 01-16-2010, 03:17 AM

So i had some time on a Friday night, for a change. Decided to install my Forge DVs that i got last week. Install wasnt all that bad...getting the rear gray ring off was the worst part. After install, i took the car for spin. First impression...no difference in sound at all (keep in mind i have BMS DCI). About 2 miles later...it seemed like the engine was starting to shut down. Wasnt responding to my pedal when i pushed down on it. And next thing you know...GONG...CHECK ENGINE LIGHT! Something along the lines of "Vehicle not receiving enough output. You may continue to drive vehicle, but please visit BMW dealership." GREAT! So i drove home slowly and put the stocks back on. Drove it around with the stock DVs, no check engine light and ran just fine. I'm guessing there was some type of boost leak, but i made sure i tightened everything up securely and and followed the exact directions. What do you guys think?

Khaled

Panoz · 01-16-2010, 04:05 AM

Most possibly a boost leak ....make sure you have sealed the DVs tight before placing them onto the chargepipe's slot.

You should also check that the pistons into the DVs can move freely up-and-down.

Terrance28 · 01-16-2010, 04:06 AM

Did you make sure you turn the gray clip after you installed the dvs to secure it?

Panoz · 01-16-2010, 04:18 AM

Quote:

Originally Posted by Terrance28

Did you make sure you turn the gray clip after you installed the dvs to secure it?

+1 there are many people that messes up this part of installation...

YngPhllyKd · 01-16-2010, 09:46 AM

Quote:

Originally Posted by Terrance28

Did you make sure you turn the gray clip after you installed the dvs to secure it?

Yes...i checked to make sure i did every step when i was finished. Looked for loose hoses and such. It was very weird how it happened.
Also, Is there supposed to be no change in sound?

Proper Motion LLC · 01-16-2010, 10:42 AM

I've read they already come with springs installed I think? You didn't install other springs without taking out springs first did u?

Also are the "Forge" logos on each DV facing eachother?

5soko · 01-16-2010, 11:02 AM

Try re-installing them keeping in mind some of the helpful hints here, and post picstures of the finished product so we can look if you have done it correctly visually.

FLA 335 · 01-16-2010, 12:27 PM

i had the EXACT same problem last night... so i am rolling with stocks...

i dont know what it is... going to do some more reading on the forge install... something wasnt working...

we checked the silicone hoses, no leaks, DV were facing each other, and also they were sealed... (first time not... but we fixed that and pistons move freely... we checked with a pen and held the niple closed and saw it release afterwards..)

i bought them brand new from rockstarrr

Rockstarr · 01-16-2010, 12:43 PM

Did you guys install any springs prior to installing them and if so did you pull out the springs that were pre installed with the Forge DVs. If not, then you installed the springs the wrong way ( I nearly installed 2 sets of springs).

Ferre86 · 01-16-2010, 12:46 PM

happend to me on my first installation are you sure you installed them right position?

YngPhllyKd · 01-17-2010, 10:35 PM

Quote:

Originally Posted by Ferre86

happend to me on my first installation are you sure you installed them right position?

Yes definitely the right position. Everything was definitely tightened and secure. It's kind of making me not want to re-install them. And is there not supposed to be a difference in sound? That as definitely a huge turnoff, considering it sounded the same as stock.

Alex@AKMotorwerk · 01-17-2010, 11:01 PM

Quote:

Originally Posted by YngPhllyKd

Yes definitely the right position. Everything was definitely tightened and secure. It's kind of making me not want to re-install them. And is there not supposed to be a difference in sound? That as definitely a huge turnoff, considering it sounded the same as stock.

definitely a difference in sound... sounds like a boost leak or springs/dv's installed incorrectly.

TurboBimmer · 01-18-2010, 07:35 AM

Quick question: How freely should the pistons move on the Forge DVs?

I have a Stett charge pipe with the "generic" (non N54-specific) type DVs and will have them installed in a couple of months. However I want to make sure there won't run be problems.

So I checked by unscrewing the top part, and then I can move the pistons using quite a bit of force. But they're not moving freely at all by themselves.

Does that sound normal?

cuban335i · 01-18-2010, 09:08 AM

make sure that you have ONE set of springs inside the diverter valves.. they already come with a set installed behind the pistons... make sure you didn't add another set on top of them (which is what i did when i first installed them

)...

TurboBimmer · 01-18-2010, 09:31 AM

Hehe, yes the green springs are the only ones in there. With the top cap tightened, I can't move the piston a single bit. Only when I remove the cap, I can slowly move the piston. Normal?

YngPhllyKd · 01-18-2010, 11:53 AM

Mine came with 2 sets of springs...so maybe there werent any inside of the DVs? Hmmm....i'm not sure how to install the springs. I've never dealt with DVs before to be honest. Can someone help by posting pics or giving me directions?

cbad335 · 01-18-2010, 12:05 PM

Make sure the tops are facing each other, not facing upward. The end going into the charge pipe has a beveled edge/lip.

YngPhllyKd · 01-18-2010, 03:43 PM

Quote:

Originally Posted by cbad335

Make sure the tops are facing each other, not facing upward. The end going into the charge pipe has a beveled edge/lip.

Yes that's exactly how i had them installed. I have a feeling it has to do with the springs. How do i go about checking if they're installed correctly?

cbad335 · 01-19-2010, 02:39 PM

Unscrew the caps and see if they're in there.

pat@forge · 02-02-2010, 01:41 PM

Quote:

Originally Posted by Autobahn335i

Hehe, yes the green springs are the only ones in there. With the top cap tightened, I can't move the piston a single bit. Only when I remove the cap, I can slowly move the piston. Normal?

That is not normal. You should be able to to move the piston pretty easily when the valve is assembled.

Email me at service@forgemotorsport.com and we will get you sorted.

pat@forge · 02-02-2010, 01:46 PM

Quote:

Originally Posted by cbad335

Unscrew the caps and see if they're in there.

If he has the new style valves there isn't a cap on the valve rather the base is removable. You can see what I mean here:
http://www.forgemotorsport.com/media/FMDVMAZ3S.pdf

This valve is slightly different, the flange is installed where the port that slots into the boost hose on your valves is located. Internals are the same.

01-16-2010, 03:17 AM	#1
YngPhllyKd Private First Class 30 Rep 153 Posts Drives: 2010 335i Coupe Join Date: Aug 2007 Location: Philly iTrader: (4)	Forge DVs...HELP!!! So i had some time on a Friday night, for a change. Decided to install my Forge DVs that i got last week. Install wasnt all that bad...getting the rear gray ring off was the worst part. After install, i took the car for spin. First impression...no difference in sound at all (keep in mind i have BMS DCI). About 2 miles later...it seemed like the engine was starting to shut down. Wasnt responding to my pedal when i pushed down on it. And next thing you know...GONG...CHECK ENGINE LIGHT! Something along the lines of "Vehicle not receiving enough output. You may continue to drive vehicle, but please visit BMW dealership." GREAT! So i drove home slowly and put the stocks back on. Drove it around with the stock DVs, no check engine light and ran just fine. I'm guessing there was some type of boost leak, but i made sure i tightened everything up securely and and followed the exact directions. What do you guys think? Khaled __________________ 2010 BMW 335i Coupe 6MT \| Navi, Sports, Cold Weather, Hifi Sound, Premium \| BMS DCI \| Hood Scoops \| JB4 My House Mixes: http://soundcloud.com/khalmusic/breathe-november-2012
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01-16-2010, 04:05 AM	#2
Panoz Lieutenant Colonel 87 Rep 1,575 Posts Drives: E92 Space Grey 335i ,Aero Kit Join Date: Nov 2006 Location: EU iTrader: (0)	Most possibly a boost leak ....make sure you have sealed the DVs tight before placing them onto the chargepipe's slot. You should also check that the pistons into the DVs can move freely up-and-down. __________________ Procede V4 , Catless DPs, Forge FMIC, Injen Intake, VK Oilcooler, Hartge Quads Exhaust, Modded CDV, Synapse BOV Kit, BMW Performance 335i SSK Kit, P3 vent boost gauge Space Grey 335i -> See more pics HERE
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01-16-2010, 04:06 AM	#3
Terrance28 Brigadier General 114 Rep 3,334 Posts Drives: Crimson Red E92 Join Date: Nov 2007 Location: Killeen, TX iTrader: (17)	Did you make sure you turn the gray clip after you installed the dvs to secure it? __________________ Mods list got too long, lets just say more than enough.
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01-16-2010, 10:42 AM	#6
Proper Motion LLC Custom Powder Coater 149 Rep 2,784 Posts Drives: White 335i Sedan Join Date: Dec 2008 Location: Orange County CA iTrader: (2)	I've read they already come with springs installed I think? You didn't install other springs without taking out springs first did u? Also are the "Forge" logos on each DV facing eachother? __________________ www.propermotion714.com
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01-16-2010, 11:02 AM	#7
5soko Brigadier General 351 Rep 4,633 Posts Drives: M5 Join Date: Aug 2007 Location: Brooklyn, NY iTrader: (4)	Try re-installing them keeping in mind some of the helpful hints here, and post picstures of the finished product so we can look if you have done it correctly visually.
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01-16-2010, 12:27 PM	#8
FLA 335 Captain 25 Rep 746 Posts Drives: 2009 335i (SOLD) !!!!! Join Date: Sep 2009 Location: Miami Fl iTrader: (7)	i had the EXACT same problem last night... so i am rolling with stocks... i dont know what it is... going to do some more reading on the forge install... something wasnt working... we checked the silicone hoses, no leaks, DV were facing each other, and also they were sealed... (first time not... but we fixed that and pistons move freely... we checked with a pen and held the niple closed and saw it release afterwards..) i bought them brand new from rockstarrr __________________ 2009 BMW 335i Sedan / Auto / Paddles / Sport / BMW Assist / Heated seats / JB Matte Black Grill / Tischer First Aid Kit w\Triangle / Tischer Hood Pad / "Custom" rear fog switch <---- SOLD!!!!
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01-16-2010, 12:43 PM	#9
Rockstarr Private 4 Rep 79 Posts Drives: 2020 F33 440ix Join Date: Feb 2009 Location: NJ iTrader: (2)	Did you guys install any springs prior to installing them and if so did you pull out the springs that were pre installed with the Forge DVs. If not, then you installed the springs the wrong way ( I nearly installed 2 sets of springs).
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01-16-2010, 12:46 PM	#10
Ferre86 Captain 38 Rep 944 Posts Drives: E93 M3/H2/SL350/Panamera 4/ Join Date: Mar 2009 Location: Turkey iTrader: (0)	happend to me on my first installation are you sure you installed them right position? __________________ http://www.youtube.com/user/Ferre86 \| e93 M-DCT ESS VT2-625 \| Akra Slip-on \| Challenge Race Catless x-pipe \| Challenge front lip \| Challenge Diffuser \| Carbon front grilles \| defi gauges control unit \| Macht Schnell gauge panel \| E93 M3 trunk Spoiler \| IND Carbon Fiber Side Markers \|
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01-18-2010, 07:35 AM	#13
TurboBimmer Lieutenant Colonel 78 Rep 1,616 Posts Drives: F82 M4 Join Date: Mar 2009 Location: Luxembourg iTrader: (5)	Quick question: How freely should the pistons move on the Forge DVs? I have a Stett charge pipe with the "generic" (non N54-specific) type DVs and will have them installed in a couple of months. However I want to make sure there won't run be problems. So I checked by unscrewing the top part, and then I can move the pistons using quite a bit of force. But they're not moving freely at all by themselves. Does that sound normal? __________________ Performance Seats, Exhaust, Splitters, Pedals, Steering Wheel / RB Turbos / M3 CF Roof / Brembo GT BBK 355/345 / Rollcage / Forge FMIC / Quaife LSD / Öhlins Road & Track / M3 Suspension Parts / Solid Subframe Bushings / Vorshlag Camberplates / Megan Racing Toe Links / LeatherZ Gauges / Extended M3 DCT Paddles / ER Sports OC / AR OC / Aux Radiator / AR DPs / Alpina TCU / COBB Pro-Tune
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01-18-2010, 09:08 AM	#14
cuban335i Brigadier General 238 Rep 3,550 Posts Drives: 535i xdrive Join Date: Feb 2009 Location: central NJ iTrader: (18)	make sure that you have ONE set of springs inside the diverter valves.. they already come with a set installed behind the pistons... make sure you didn't add another set on top of them (which is what i did when i first installed them )... __________________ Current: '13 F10 535i xDrive - lightly modded for now Previous: '12 e92 M3 Melbourne Red/Bamboo - ADV.1 ADV10, Volk TE37SL, OSS, Innotech F1, Arkym, iND '09 e92 335i Alpine White/Saddle Brown - fully modded
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01-18-2010, 09:31 AM	#15
TurboBimmer Lieutenant Colonel 78 Rep 1,616 Posts Drives: F82 M4 Join Date: Mar 2009 Location: Luxembourg iTrader: (5)	Hehe, yes the green springs are the only ones in there. With the top cap tightened, I can't move the piston a single bit. Only when I remove the cap, I can slowly move the piston. Normal? __________________ Performance Seats, Exhaust, Splitters, Pedals, Steering Wheel / RB Turbos / M3 CF Roof / Brembo GT BBK 355/345 / Rollcage / Forge FMIC / Quaife LSD / Öhlins Road & Track / M3 Suspension Parts / Solid Subframe Bushings / Vorshlag Camberplates / Megan Racing Toe Links / LeatherZ Gauges / Extended M3 DCT Paddles / ER Sports OC / AR OC / Aux Radiator / AR DPs / Alpina TCU / COBB Pro-Tune
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01-18-2010, 11:53 AM	#16
YngPhllyKd Private First Class 30 Rep 153 Posts Drives: 2010 335i Coupe Join Date: Aug 2007 Location: Philly iTrader: (4)	Mine came with 2 sets of springs...so maybe there werent any inside of the DVs? Hmmm....i'm not sure how to install the springs. I've never dealt with DVs before to be honest. Can someone help by posting pics or giving me directions? __________________ 2010 BMW 335i Coupe 6MT \| Navi, Sports, Cold Weather, Hifi Sound, Premium \| BMS DCI \| Hood Scoops \| JB4 My House Mixes: http://soundcloud.com/khalmusic/breathe-november-2012
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01-18-2010, 12:05 PM	#17
cbad335 Lieutenant Colonel 63 Rep 1,739 Posts Drives: '09 E92 335i Join Date: Jan 2008 Location: Cardiff-by-the-Sea, CA iTrader: (17) Garage List 2009 BMW 335i Coupe [7.34]	Make sure the tops are facing each other, not facing upward. The end going into the charge pipe has a beveled edge/lip. Attached Images __________________ \| 6MT \| ZSP \| ZPP \|
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01-19-2010, 02:39 PM	#19
cbad335 Lieutenant Colonel 63 Rep 1,739 Posts Drives: '09 E92 335i Join Date: Jan 2008 Location: Cardiff-by-the-Sea, CA iTrader: (17) Garage List 2009 BMW 335i Coupe [7.34]	Unscrew the caps and see if they're in there. __________________ \| 6MT \| ZSP \| ZPP \|
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