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-   -   330Ci AA stage 2.. Boost line? (http://forum.e46fanatics.com/showthread.php?t=947608)

eaks 09-29-2012 11:54 AM

330Ci AA stage 2.. Boost line?
Hey guys.. I am in the middle of troubleshooting a boost leak in my 01 330Ci with AA stage 2 blower.. I bought a PLX boost gauge/module and tested it out last weekend. It worked.. Now my question is where is the most accurate place to tap into the vac line for a good vac/boost reading? Any pics of the location I should use?

SweTurbo 09-29-2012 09:38 PM


Not easy to get to but yeah thats the best place :)

eaks 09-29-2012 09:54 PM

Sorry I cant even tell where that is.. lol.. can you help me out? Also what size is the tubing (I need to get a T that is that size with one line a 1/8th or whatever i need for my sensor module.. Also does this pic show a hose removed or would I tap into that hose that is connected?

Thanks again!

SweTurbo 09-29-2012 09:58 PM

Port is made for a 8mm hose i think.
Its on the back of the intake manifold(the ports are facing the firewall)

If you look at your intake you'll spot the B and you can go from there.

eaks 09-29-2012 10:01 PM

OK thanks.. So its a direct reading of manifold pressure? and there are spare nipples waiting for a hose on the stock intake?

WALKD U 09-29-2012 11:37 PM

one is 8mm and other 2 is 6mm...

eaks 09-30-2012 10:48 AM

And I take it stock these are all just capped off??

WALKD U 10-01-2012 01:31 AM

Depends what year model urs is

eaks 10-01-2012 05:20 AM

01 330ci!

WALKD U 10-01-2012 02:12 PM


Originally Posted by eaks (Post 14776774)
01 330ci!

one line probably be attach in the back for the SAP unit...

Activ3 10-09-2012 12:22 AM

You can T in to the vacuum line that's routed to the bypass valve.

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