Broken intake manifold vacuum nipple-NEED HELP

714_2er · 03-08-2015, 04:12 PM

So I was installing my ER charge pipe/HKS BOV combo and sure enough, I broke the plastic nipple on the intake manifold for the vacuum line.

I Was going to buy a brass npt nipple and tap it into manifold.
A while back I came across a thread with a picture of someones npt fitting setup but I can't find it again.

My question are,
1) what size fitting do I need and
2)do I tap the existing hole for the new brass fitting? The location of the existing hole seems a little flimsy to tap the new brass fitting.

714_2er · 03-09-2015, 12:01 PM

Buuuump...
Anyone?
For warranty sack I might just buy a new/used intake manifold.

135Pats · 03-09-2015, 12:11 PM

I'd lean towards tapping the existing hole, rather than attempting to plug it w JB weld or some type of relatively high-temp sealant. *Believe* it's a 1/4 or 3/8 NPT but don't quote me on that.

Alternatively, you could buy a vacuum block and route all vac lines through it.

New manifold is an expensive way to do it, but obviously would work and would preserve your warranty.

714_2er · 03-10-2015, 03:17 PM

Quote:

Originally Posted by 135Pats

I'd lean towards tapping the existing hole, rather than attempting to plug it w JB weld or some type of relatively high-temp sealant. *Believe* it's a 1/4 or 3/8 NPT but don't quote me on that.

Alternatively, you could buy a vacuum block and route all vac lines through it.

New manifold is an expensive way to do it, but obviously would work and would preserve your warranty.

Thanks for the response pats.
I'm going to see if I can pick up a used intake mani first, just for the peace of mind. My turbo rattle has come back in the past 2 weeks and with my luck, a modded intake mani will void turbo replacement. Unfortunately my SA lacks big time in the customer service department.

tglazed · 03-10-2015, 10:23 PM

Don't pick up a used intake manifold. There is a DIY fr the nipple that breaks if it is the one that leads to the BOV. I superglued mine and then when my car got walnut blasted I borrowed my intake manifold for a bit to fix it. Sorry cant find the DIY but just do some searching on google.

totti84 · 03-11-2015, 05:32 AM

http://www.e90post.com/forums/showthread.php?t=870905

http://www.e90post.com/forums/showthread.php?t=820718

J. Dub · 02-29-2016, 10:44 PM

Broke mine just now. Can we still drive with it broken?

MC321 · 06-02-2018, 02:37 PM

Quote:

Originally Posted by J. Dub

Broke mine just now. Can we still drive with it broken?

Just reviving this thread because I have the same issue and wondering what the function of this vacuum line is and if its ok to drive the car?

03-08-2015, 04:12 PM	#1
714_2er Lieutenant 108 Rep 487 Posts Drives: 2015 AW M235i Join Date: Jun 2013 Location: SoulCal, 714 iTrader: (0)	Broken intake manifold vacuum nipple-NEED HELP So I was installing my ER charge pipe/HKS BOV combo and sure enough, I broke the plastic nipple on the intake manifold for the vacuum line. I Was going to buy a brass npt nipple and tap it into manifold. A while back I came across a thread with a picture of someones npt fitting setup but I can't find it again. My question are, 1) what size fitting do I need and 2)do I tap the existing hole for the new brass fitting? The location of the existing hole seems a little flimsy to tap the new brass fitting. Last edited by 714_2er; 03-08-2015 at 06:11 PM..
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03-09-2015, 12:01 PM	#2
714_2er Lieutenant 108 Rep 487 Posts Drives: 2015 AW M235i Join Date: Jun 2013 Location: SoulCal, 714 iTrader: (0)	Buuuump... Anyone? For warranty sack I might just buy a new/used intake manifold.
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03-09-2015, 12:11 PM	#3
135Pats Major General 456 Rep 6,478 Posts Drives: A few BMWs Join Date: May 2012 Location: Maryland iTrader: (3)	I'd lean towards tapping the existing hole, rather than attempting to plug it w JB weld or some type of relatively high-temp sealant. Believe it's a 1/4 or 3/8 NPT but don't quote me on that. Alternatively, you could buy a vacuum block and route all vac lines through it. New manifold is an expensive way to do it, but obviously would work and would preserve your warranty. __________________ E88 N54 Alpinweiss/Coral Red/Motiv HTA 3586r Tial .82AR/Other stuff...652WHP F30 N55 XDrive EBII
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03-10-2015, 10:23 PM	#5
tglazed Lieutenant 46 Rep 406 Posts Drives: 135i Join Date: Feb 2014 Location: SLC, Utah iTrader: (1)	Don't pick up a used intake manifold. There is a DIY fr the nipple that breaks if it is the one that leads to the BOV. I superglued mine and then when my car got walnut blasted I borrowed my intake manifold for a bit to fix it. Sorry cant find the DIY but just do some searching on google.
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03-11-2015, 05:32 AM	#6
totti84 Major 112 Rep 1,140 Posts Drives: N54 135i 6MT Join Date: Aug 2014 Location: Sydney, Australia iTrader: (5) Garage List 2009 BMW 135i M Sport [0.00]	http://www.e90post.com/forums/showthread.php?t=870905 http://www.e90post.com/forums/showthread.php?t=820718
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02-29-2016, 10:44 PM	#7
J. Dub Bob Saget 355 Rep 2,230 Posts Drives: 2010 335i e92 N54 A/T Join Date: Jun 2010 Location: AR - 501 iTrader: (15)	Broke mine just now. Can we still drive with it broken?
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