Help! location of manifold stem/nipple? - BMW 3-Series (E90 E92) Forum

dy62180 · 10-05-2012, 11:50 AM

Does anyone know where the stem/nipple on the intake manifold is located? The vac hose accidently pulled off when I was trying to undo the hose attached to the bov and now I cant find where it originally came from!
Can someone confirm this is the correct vacuum stem on the manifold??

Also, I have a Tial Q bov and they told me I need a larger .25 inner diameter vac line then the .16 I'm currently using, however when I test fitted a .21 it did not fit snug onto the stem in the pic, it did not take much wiggle force to come off. Is it still ok or should I stick with the .16?

Crazylegs · 10-05-2012, 12:03 PM

its under the mani on the right. if you just pulled it off you may have broken it if you werent careful and you just made this a nightmare.... need to plastic weld it on or get a nipple installed..

Edit: or if you ment BOV nipple not sure what it is for tial

cn555ic · 10-05-2012, 12:53 PM

That hose doesn't just pop off like that from the manifold. Chances are you broke that nipple and to fix it, It's not going to be fun. Either you buy a new manifold or like others stated JB weld it in place. Getting to that nipple to JB weld it is Another story as its requires you to take off a couple of parts to get a clear look at that nipple.

Joshboody · 10-05-2012, 01:11 PM

I've done it... that moment sucked ass. He would likely have the nipple in the vac hose if it broke.

dy62180 · 10-05-2012, 02:19 PM

Thanks for the replys guys! Yep I've read all the horror stories about broken nipples....I hope thats not the case here!!!

I've just attached a pic of what I think may be the nipple on the manifold but am not 100% sure. Can someone please confirm this is it??

pits200 · 10-05-2012, 02:42 PM

Yup, thats it.

Gugs · 10-05-2012, 04:12 PM

Use the .16 hose for a foot then use plastic connector to match the larger diameter needed for the tial. Glad u didnt break the nipple btw

dy62180 · 10-05-2012, 06:31 PM

Yay thanks for helping out everyone!

Lol didnt know what else to call it but a nipple.

10-05-2012, 11:50 AM	#1
dy62180 Private Drives: 335i coupe Join Date: Aug 2011 Location: Nj Posts: 76 iTrader: (1)	Help! location of manifold stem/nipple? Does anyone know where the stem/nipple on the intake manifold is located? The vac hose accidently pulled off when I was trying to undo the hose attached to the bov and now I cant find where it originally came from! Can someone confirm this is the correct vacuum stem on the manifold?? Also, I have a Tial Q bov and they told me I need a larger .25 inner diameter vac line then the .16 I'm currently using, however when I test fitted a .21 it did not fit snug onto the stem in the pic, it did not take much wiggle force to come off. Is it still ok or should I stick with the .16? Attached Images Last edited by dy62180; 10-05-2012 at 02:09 PM. Reason: forgot to attach pic. can someone confirm this is the stem/nipple in the center of the pic?
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10-05-2012, 12:03 PM	#2
Crazylegs Lieutenant Drives: 08 Black on Red 335I Join Date: May 2011 Location: South Florida Posts: 414 iTrader: (1)	its under the mani on the right. if you just pulled it off you may have broken it if you werent careful and you just made this a nightmare.... need to plastic weld it on or get a nipple installed.. Edit: or if you ment BOV nipple not sure what it is for tial __________________ AA 3" Downpipes \|\| AA FMIC RACE \|\| AA Charge Pipe BOV \|\| BMS DCI \|\| Vishnu Procede 2.5 \|\| 50/50 E85/93 Stage 3 Maps \|\| Alpina TCU Flash \|\| M-Tech Front Bumper + Hamann CF lip \|\| M-Tech Rear Bumper

10-05-2012, 12:53 PM	#3
cn555ic The Coding Guy Drives: FBO 335i Vert meth/nitrous Join Date: Jun 2007 Location: Brooklyn, New York Posts: 17,872 iTrader: (5)	That hose doesn't just pop off like that from the manifold. Chances are you broke that nipple and to fix it, It's not going to be fun. Either you buy a new manifold or like others stated JB weld it in place. Getting to that nipple to JB weld it is Another story as its requires you to take off a couple of parts to get a clear look at that nipple. __________________ *CODING BMWs in N.Y Area 917-939-4980* Call or Text for more INFO

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10-05-2012, 01:11 PM	#4
Joshboody Lieutenant Colonel Drives: 2008 BMW 335i E90 6MT v5 Join Date: Jul 2009 Location: Phoenix, AZ Posts: 1,543 iTrader: (7)	I've done it... that moment sucked ass. He would likely have the nipple in the vac hose if it broke.

10-05-2012, 02:19 PM	#5
dy62180 Private Drives: 335i coupe Join Date: Aug 2011 Location: Nj Posts: 76 iTrader: (1)	Thanks for the replys guys! Yep I've read all the horror stories about broken nipples....I hope thats not the case here!!! I've just attached a pic of what I think may be the nipple on the manifold but am not 100% sure. Can someone please confirm this is it??

10-05-2012, 02:42 PM	#6
pits200 Lieutenant Colonel Drives: 09 335i X-Drive Black Sapphire Join Date: Mar 2010 Location: Pittsburgh Posts: 1,578 iTrader: (0)	Yup, thats it.

10-05-2012, 04:12 PM	#7
Gugs Cynical Drives: E92 JetBlack Join Date: Jul 2012 Location: Long island Posts: 356 iTrader: (0)	Use the .16 hose for a foot then use plastic connector to match the larger diameter needed for the tial. Glad u didnt break the nipple btw

10-05-2012, 06:31 PM	#8
dy62180 Private Drives: 335i coupe Join Date: Aug 2011 Location: Nj Posts: 76 iTrader: (1)	Yay thanks for helping out everyone! Lol didnt know what else to call it but a nipple.