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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 06-25-2014, 11:59 PM
Nuggets530i Nuggets530i is offline
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Location: Melbourne
 
Join Date: Sep 2013
Posts: 29
Mein Auto: 2003 530i BABY!
Valve cover gasket

Hey guys

Gonna do the VCG over the weekend,

Just wondering, do I need to disconnect the battery before I do so.

If so, If I disconnect it, will it reset all the stuff on my car?
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  #2  
Old 06-26-2014, 03:14 AM
JimLev JimLev is offline
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Location: MA
 
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Mein Auto: 540/6, S60 Volvo, Tribeca
Good idea to disconnect the battery anytime you start disconnecting any wires.
Let the car go to sleep (16 min, trunk light turns itself off) before you pull the negative lead off the battery.
The only thing you should loose is the time/date info and the MPG info in the MID, IIRC.
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Old 06-26-2014, 03:21 AM
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moots moots is online now
wat's dat noise
Location: Malaysia
 
Join Date: Apr 2005
Posts: 477
Mein Auto: '04 525i
I've done the VCG change twice on my e39 and once on my e60 and no I did not disconnect the battery and the car started right up after completion.

BUT I made sure the key is out of the car and not to have the key in "ACC' poisition for fear of the car logging in any stored faults.
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Old 06-26-2014, 04:13 PM
Nuggets530i Nuggets530i is offline
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Location: Melbourne
 
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Mein Auto: 2003 530i BABY!
Thanks guys!

Just so I've got this right, I just unhook the negative terminal right?
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  #5  
Old 06-26-2014, 06:02 PM
John in VA John in VA is offline
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Mein Auto: '74 tii / E28s / '03 530i
Quote:
Originally Posted by Nuggets530i View Post
Just so I've got this right, I just unhook the negative terminal right?
Jim said it. Turn off the car, remove the key, then:
Quote:
Originally Posted by JimLev View Post
Let the car go to sleep (16 min, trunk light turns itself off) before you pull the negative lead off the battery.
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