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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 12-02-2012, 11:49 AM
Kapten_sjovild Kapten_sjovild is offline
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Location: Sweden
 
Join Date: Sep 2012
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Mein Auto: 540i/6
My 540i/6 wont rev!

Hello!

The problems continue with my 540i/6... All of a sudden he refuses to rev higher than 800-1200 rpm, no matter how far u press the pedal... Otherwise there are no other symptoms, except perhaps that I think it is ticking a little from this section:
http://imageshack.us/photo/my-images/832/bmwm62b44.jpg/

Any suggestions??


with best regards Adam
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  #2  
Old 12-02-2012, 01:13 PM
edjack edjack is offline
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Mein Auto: '97 540i 6 speed
Okay, report the stored codes. We are not clairvioant.

I believe that device is the purge valve for the vapor recovery system, and I think it buzzes periodically. Mine doesn't have one like that.
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  #3  
Old 12-02-2012, 05:14 PM
JimLev JimLev is offline
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Mein Auto: 540/6, S60 Volvo, Tribeca
Yes, that is a purge valve for the charcoal canister that is above the left rear wheel liner.
It has nothing to do with why your engine won't rev.
Have you checked the ACS throttle body that is just past the MAF to see if it is fully open?
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  #4  
Old 12-03-2012, 03:13 AM
JasonSC540ia JasonSC540ia is offline
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What year is the 540? If its 99 or later its drive by wire and most likly the gas pedal part or the TB.
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  #5  
Old 12-03-2012, 05:13 AM
JimLev JimLev is offline
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Quote:
Originally Posted by JasonSC540ia View Post
What year is the 540? If its 99 or later its drive by wire and most likly the gas pedal part or the TB.
Looking at the link he posted its not drive by wire, looks like a 98 to me.
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  #6  
Old 12-03-2012, 05:41 AM
JasonSC540ia JasonSC540ia is offline
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Quote:
Originally Posted by JimLev View Post
Looking at the link he posted its not drive by wire, looks like a 98 to me.

Ahhhh. Sorry. I didnt notice the link.
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  #7  
Old 12-03-2012, 11:51 AM
Kapten_sjovild Kapten_sjovild is offline
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Location: Sweden
 
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Mein Auto: 540i/6
Quote:
Originally Posted by edjack View Post
Okay, report the stored codes. We are not clairvioant.

I believe that device is the purge valve for the vapor recovery system, and I think it buzzes periodically. Mine doesn't have one like that.
I dont have any codes at the moment. Alright then i exclude that it may cause a problem!

Quote:
Originally Posted by JimLev View Post
Yes, that is a purge valve for the charcoal canister that is above the left rear wheel liner.
It has nothing to do with why your engine won't rev.
Have you checked the ACS throttle body that is just past the MAF to see if it is fully open?

The translate of "charcoal canister" doesent give any results for me. Is it possible to explain what it is or some other name? vapor recovery system?
I havenīt checked the ACS yet, ill do it tomorrow and report results!

Quote:
Originally Posted by JasonSC540ia View Post
What year is the 540? If its 99 or later its drive by wire and most likly the gas pedal part or the TB.
It is an 1997.04

Last edited by Kapten_sjovild; 12-03-2012 at 11:54 AM.
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  #8  
Old 12-03-2012, 11:59 AM
JimLev JimLev is offline
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The vapors are stored in the charcoal canister that is above the left rear wheel. The purge valve sucks the vapors out of this tank.

Back to the rev problem.
What happens if you operate the throttle linkage under the hood by hand? Have you tried that?
Also look at the traction control throttle body butterfly, it should be wide open.
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  #9  
Old 12-03-2012, 12:37 PM
Kapten_sjovild Kapten_sjovild is offline
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Location: Sweden
 
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Quote:
Originally Posted by JimLev View Post
The vapors are stored in the charcoal canister that is above the left rear wheel. The purge valve sucks the vapors out of this tank.

Back to the rev problem.
What happens if you operate the throttle linkage under the hood by hand? Have you tried that?
Also look at the traction control throttle body butterfly, it should be wide open.
Ok!

Yep, it is the same as when pressing the pedal, so i guess that the problem isnt anywere between there.

You mean this part? http://imageshack.us/photo/my-images/28/bmwm62b44.jpg/
I havent checked that yet, i guess that is the second thing after unplug MAF sensor to do?
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  #10  
Old 12-03-2012, 01:07 PM
Kapten_sjovild Kapten_sjovild is offline
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Location: Sweden
 
Join Date: Sep 2012
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Mein Auto: 540i/6
Quote:
Originally Posted by JimLev View Post
The vapors are stored in the charcoal canister that is above the left rear wheel. The purge valve sucks the vapors out of this tank.

Back to the rev problem.
What happens if you operate the throttle linkage under the hood by hand? Have you tried that?
Also look at the traction control throttle body butterfly, it should be wide open.
Ok!

Yep, it is the same as when pressing the pedal, so i guess that the problem isnt anywere between there.

You mean this part? http://imageshack.us/photo/my-images/28/bmwm62b44.jpg/
I havent checked that yet, i guess that is the second thing after unplug MAF sensor to do?


(wops i pressed send again, im sorry, can i delete this post?)

Last edited by Kapten_sjovild; 12-03-2012 at 01:08 PM.
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  #11  
Old 12-03-2012, 08:14 PM
JimLev JimLev is offline
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Mein Auto: 540/6, S60 Volvo, Tribeca
Yes, that part you just circled is the secondary throttle plate that is controlled by the ASC.
Will it rev to higher RPM's in neutral?
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  #12  
Old 12-08-2012, 05:11 AM
Kapten_sjovild Kapten_sjovild is offline
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Location: Sweden
 
Join Date: Sep 2012
Posts: 30
Mein Auto: 540i/6
Quote:
Originally Posted by JimLev View Post
Yes, that part you just circled is the secondary throttle plate that is controlled by the ASC.
Will it rev to higher RPM's in neutral?
loosened MAF sensor and sat back, and opened and operated the second throttle plate manually, now she runs like usually
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