m20 valve cover breather size - R3VLimited Forums

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325est13psi

Wrencher

Join Date: Aug 2010

Posts: 267
#1

m20 valve cover breather size

06-07-2014, 10:33 AM

hi r3v!
im at work about to grab some hose to replace the valve cover breather to the
throttle body, does anyone know or have a valve cover lying around to take a measurement of the diameter of the nipple on the valve cover??
3/4?

thanks for your help!
-christian
Tags: None
jaywood

R3V Elite

Join Date: Jul 2010

Posts: 4528
#2

06-07-2014, 11:06 AM

I believe 3/4" will work for you.
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325est13psi

Wrencher

Join Date: Aug 2010

Posts: 267
#3

06-07-2014, 11:19 AM

thank you!!
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TheTacoMan

R3VLimited

Join Date: Nov 2011

Posts: 2308
#4

06-09-2014, 07:21 PM

I believe its 3/4" OD.
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MR 325

Moderator

Join Date: Oct 2003

Posts: 37818
#5

06-10-2014, 02:49 AM

The OEM BMW hose is $8. Why run bulk hose?

BimmerHeads
Classic BMW Specialists
Santa Clarita, CA
www.BimmerHeads.com
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digger

R3V Elite

Join Date: Nov 2005

Posts: 5880
#6

06-10-2014, 04:52 AM

the cover is 22mm OD so something a little smaller in size for the hose ID will work

89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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