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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 07-20-2015, 02:28 PM
jmc1590 jmc1590 is offline
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'97 528i Vacuum Line ?'s

Hey all,
I'm having a problem locating the correct location for one of the vacuum lines on my 4/97 528i. The line in question runs from the electric valve, to the non-return valve, and to a 'T' fitting. I part of the 'T' goes to the intake Manifold (vacuum source) and the other goes ?
Real OEM is of no help here, as when I look by mfg date, no 'T' is shown.
www.realoem.com
My first thought is, if it's not shown, it's not needed. Then while searching for a solution, I've found that RealOEM occasionally is mis-leading. (Say it isn't so!)

The last part of this question: Does anyone know what this part is / does?
PRESSURE HOSE ASSY 16131184151

I did find the vacuum diagram (between 9/97 - 9/98) with the 'T' fitting, and this is after the 'T'.

Thanks!

James
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  #2  
Old 07-20-2015, 04:16 PM
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gmak2012 gmak2012 is offline
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How about down to the Fuel Pressure Regulator under the car, under the driver's seat next to the 3/2 valve?
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  #3  
Old 07-20-2015, 04:55 PM
jmc1590 jmc1590 is offline
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Not on this year.(M52) My fuel pressure regulator is located on the fuel rail, and has a dedicated vacuum line running to the intake manifold. Or at least did, until it disintegrated in my hand!
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  #4  
Old 07-20-2015, 05:10 PM
Alika808 Alika808 is offline
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Which is the T you talking about, see item #2
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  #5  
Old 07-20-2015, 05:17 PM
Alika808 Alika808 is offline
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Quote:
Originally Posted by jmc1590 View Post
Hey all,
I'm having a problem locating the correct location for one of the vacuum lines on my 4/97 528i. The line in question runs from the electric valve, to the non-return valve, and to a 'T' fitting. I part of the 'T' goes to the intake Manifold (vacuum source) and the other goes ?
Real OEM is of no help here, as when I look by mfg date, no 'T' is shown.
www.realoem.com
My first thought is, if it's not shown, it's not needed. Then while searching for a solution, I've found that RealOEM occasionally is mis-leading. (Say it isn't so!)

The last part of this question: Does anyone know what this part is / does?
PRESSURE HOSE ASSY 16131184151

I did find the vacuum diagram (between 9/97 - 9/98) with the 'T' fitting, and this is after the 'T'.

Thanks!

James

The part number above is the item #19 in my previous attachment.
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  #6  
Old 07-20-2015, 05:22 PM
jmc1590 jmc1590 is offline
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Mein Auto: E28, E39
Correct. The 'T' is #2 as shown. The RealOEM diagram for 4/97 does not show the 'T', but I have one. I'm beginning to think a prior owner swapped engines, capping the 'T'. And where does #19 connect? (To a FPR that I don't have?)
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  #7  
Old 07-20-2015, 05:40 PM
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16valex 16valex is offline
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Quote:
Originally Posted by jmc1590 View Post
Correct. The 'T' is #2 as shown. The RealOEM diagram for 4/97 does not show the 'T', but I have one. I'm beginning to think a prior owner swapped engines, capping the 'T'. And where does #19 connect? (To a FPR that I don't have?)
You are correct, if your FPR is on the fuel rail then remove the T or cap it off.
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  #8  
Old 07-20-2015, 05:46 PM
jmc1590 jmc1590 is offline
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Thanks! I apologize for dismissing the earlier answer, which would have been correct.

Appreciate all the help!

James
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  #9  
Old 07-20-2015, 09:46 PM
cn90 cn90 is offline
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I have a 1998 528i (build date 9/1997), I can check later this week for you.
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