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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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  #51  
Old 11-01-2012, 06:11 AM
Belicek Belicek is offline
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Location: MOuntain Home
 
Join Date: Aug 2011
Posts: 11
Mein Auto: 528it
Silence!

It was definitely the siren batteries. Once removed, the battery has not died once nor have the lights been seen flashing. I am once again gaining confidence that I can go to my car and it will actually start versus being met with a dead battery.

I have received the batteries and will wire them into the siren, reassemble it and install when I get time; I'll try to post pics to help explain.

Hope no one else has to go though this, but if they do, at least there will be a post to help them.
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  #52  
Old 11-01-2012, 09:54 PM
EconoBox EconoBox is offline
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Location: LA
 
Join Date: Aug 2011
Posts: 934
Mein Auto: 2001 530i (E39) 120k
That is horrible. For my car, it was a weak car battery that caused it.
Once I got a new AutoZone battery, everything was back to normal.
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  #53  
Old 11-02-2012, 09:56 AM
jeludev jeludev is offline
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Location: NY
 
Join Date: Nov 2012
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Mein Auto: BMW X6 2005
I have my car alarm going on and on too. I've read an article about car alarms and code grabbers but I don't believe that someone would try to unlock my car with a grabber. Is it really possible?
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  #54  
Old 11-13-2012, 09:03 AM
Belicek Belicek is offline
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Location: MOuntain Home
 
Join Date: Aug 2011
Posts: 11
Mein Auto: 528it
Unfreaken Beleivable

I simply can not believe this POS car.

AFTER disconnecting the interior sensor, hood sensor and completely removing the siren assembly...a workmate comes to me yesterday and asks "Are you car's lights supposed to be flashing?.

Evidently there is still something activating the alarm system but I have no idea what it could be. I've read online from people stating their car had dirty metal contacts on the doors but when I looked at the entire door perimeter I did not see any.

Can anyone on this site list all of the sensors that make up the alarm system on a 528it?

Begin rant...I am so sick of this car and the myriad of problems associated with owning a BMW. Between the crap gas mileage, outrageous maintenance fees and parts prices what exactly is the allure to owning these cars? I just don't see it. Problem now is that this POS has depreciated 70% in 4 years so it's about worthless to trade in on a decent reliable car. Rant over... I now feel slightly better.
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  #55  
Old 11-14-2012, 06:00 AM
EconoBox EconoBox is offline
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Mein Auto: 2001 530i (E39) 120k
Quote:
Originally Posted by EconoBox View Post
That is horrible. For my car, it was a weak car battery that caused it.
Once I got a new AutoZone battery, everything was back to normal.
I reiterate this.
How old is your battery?
Mine was only 2 years old.
Replace the battery.
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  #56  
Old 11-15-2012, 02:26 PM
Belicek Belicek is offline
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Location: MOuntain Home
 
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Mein Auto: 528it
Quote:
Originally Posted by EconoBox View Post
I reiterate this.
How old is your battery?
Mine was only 2 years old.
Replace the battery.
I reiterate, I had the complete battery and charging system just checked...all good (battery is one year old).

No one has anything telling where the alarm sensors are? (Hood, siren, interior roof sensors have all been taken out of the picture).
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  #57  
Old 11-15-2012, 11:57 PM
salesman salesman is offline
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Location: Brentwood, CA
 
Join Date: Oct 2012
Posts: 170
Mein Auto: E39 540i/6, Acura CL-S
Quote:
Originally Posted by cagoguy View Post
Before making any assumptions and shelling out $$ on an interior sensor, try disabling the under-hood sensor. It's a hugely common problem on E39s.

Lots of discussion on it here:

Hood Sensor / Alarm issue

Try pulling the plug. See if the alarm still goes off randomly. This doesn't affect your main door/interior alarm sensors in any way.
this is what caused my alarm to go off when i first bought my car. i just unplugged it too. hasn't gone off randomly since then
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1999 BMW 540i/6 - Eibach ProKit - E60 SSK - ZHP knob - DJ Autos/FX-Rs/Orion V2s - HID Fogs - M5 front bumper - muffler delete - 19" LM reps

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  #58  
Old 09-09-2013, 11:51 AM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
 
Join Date: Mar 2008
Posts: 20,127
Mein Auto: 02 BMW 525i M54 auto 130K
Quote:
  • Check if the battery is loose.
  • Replace the battery with a new one.
  • Detach hood sensor.
  • Check door latches/sensors
  • Disable motion sensor by press key locking button twice
  • Detach inside motion sensor
  • Unplug fuse #48 in trunk
Based on this thread today, we can add a check for the fuel filler door being ajar due to a non-standard (too large) gas cap:

> E39 (1997 - 2003) > fuel door actuator alarm falsing
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Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #59  
Old 04-26-2014, 06:28 PM
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ztom ztom is offline
I gotta have more cowbell
Location: Thousand Oaks CA
 
Join Date: Sep 2007
Posts: 843
Mein Auto: 1997 528i
In reply to: "I've read online from people stating their car had dirty metal contacts on the doors but when I looked at the entire door perimeter I did not see any."

The door switches are part of the assembly the door hooks onto when it closes. Look closely and feel, there's a small bump that clicks when pushed in. All 4 doors.
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