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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 11-25-2012, 06:56 PM
Bigset3102 Bigset3102 is offline
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Location: Florida
 
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Mein Auto: 528i
1998 528i lock issues

My keyless entry does not work I have tried reprogramming keys many times doesn't work. Also my alarm keeps going off randomly I believe it to be hood sensor any ideas?
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  #2  
Old 11-25-2012, 08:56 PM
edjack edjack is online now
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Mein Auto: '97 540i 6 speed
Neither master key works? When was the last time you replaced the battery in the key?
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  #3  
Old 11-25-2012, 09:44 PM
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QSilver7 QSilver7 is offline
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Mein Auto: 1997 740iL / 2006 X5 4.4
Does the red LED on the key illuminate when the buttons are pressed? If no, then like edjack mentioned...have you changed the key's battery? (see text in red box in pic below)

Your model year probably requires a single 2016 battery:

-
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2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg
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  #4  
Old 11-26-2012, 03:34 AM
Bigset3102 Bigset3102 is offline
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Ok when I stick the key in the door it works but the led on the key does work I have replaced the battery and got a new key from dealer but it still doesn't work
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  #5  
Old 11-26-2012, 03:35 AM
Bigset3102 Bigset3102 is offline
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Quote:
Originally Posted by edjack View Post
Neither master key works? When was the last time you replaced the battery in the key?
I've replaced it along with getting a new key from dealer I've also checked all fuses
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  #6  
Old 11-26-2012, 03:37 AM
Bigset3102 Bigset3102 is offline
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Quote:
Originally Posted by QSilver7 View Post
Does the red LED on the key illuminate when the buttons are pressed? If no, then like edjack mentioned...have you changed the key's battery? (see text in red box in pic below)

Your model year probably requires a single 2016 battery:

-
Yes the light illuminates I believe my hood sensor is faulty so ordered a new one and am going to try that
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  #7  
Old 11-27-2012, 06:58 AM
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DHoang DHoang is offline
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re; alarm going off....
i concur....your hood switch could be the problem.
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  #8  
Old 11-27-2012, 12:39 PM
Bigset3102 Bigset3102 is offline
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Quote:
Originally Posted by DHoang View Post
re; alarm going off....
i concur....your hood switch could be the problem.
Yes I hooked it up to computer and its shooting fault codes so I've ordered new switch. But not sure about why keyless entry isn't funtional
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  #9  
Old 11-27-2012, 03:29 PM
DBell DBell is offline
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How are the chances of repairing the keyless entry buttons? ('99 528i)
My Lock and Trunk buttons work, but Unlock doesn't; wife's Lock fails, but Unlock works.
(Yeah, between us, we can enter and exit keylessly, but...)

Dave
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  #10  
Old 11-27-2012, 05:09 PM
Bigset3102 Bigset3102 is offline
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Quote:
Originally Posted by DBell View Post
How are the chances of repairing the keyless entry buttons? ('99 528i)
My Lock and Trunk buttons work, but Unlock doesn't; wife's Lock fails, but Unlock works.
(Yeah, between us, we can enter and exit keylessly, but...)

Dave
Are the rubber buttons worn out?
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  #11  
Old 11-27-2012, 05:49 PM
DBell DBell is offline
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Quote:
Originally Posted by Bigset3102 View Post
Are the rubber buttons worn out?
Mine are pretty worn down, yeah.
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  #12  
Old 11-27-2012, 05:51 PM
Bigset3102 Bigset3102 is offline
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I would order new rubber pieces off of eBay they're like 5-10 dollars
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  #13  
Old 11-27-2012, 05:57 PM
Bigset3102 Bigset3102 is offline
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New rubber on left old on right
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  #14  
Old 11-27-2012, 05:58 PM
DBell DBell is offline
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Quote:
Originally Posted by Bigset3102 View Post
I would order new rubber pieces off of eBay they're like 5-10 dollars
Great! I love it! Buy it Now for <$4 & free shipping...

Thanks!
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  #15  
Old 11-27-2012, 06:01 PM
Bigset3102 Bigset3102 is offline
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Yes then look it upon YouTube And it will show step by step how to do it
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  #16  
Old 11-27-2012, 06:24 PM
DBell DBell is offline
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Quote:
Originally Posted by Bigset3102 View Post
Yes then look it upon YouTube And it will show step by step how to do it
New batteries when I do it, too...
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  #17  
Old 11-27-2012, 07:07 PM
Bigset3102 Bigset3102 is offline
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Yes don't leave batteries out for more than 30 seconds
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  #18  
Old 12-11-2012, 06:00 PM
DBell DBell is offline
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Mein Auto: 1999 528i
Replacing key buttons

Received new buttons and CR2016s.
Wife's key had nearly new buttons, as it turned out, but really weak battery. Works like new!

As for mine, repair levels I and II completed, but . . .
Can I go to level III and replace the contact film *under* the buttons?
Lock and Trunk are great, but Unlock was still dead.
Re-opened the patient, slipped off the film on the transmitter PCB and held it up to the light.
The carbon(?) film is totally gone under the Unlock bubble.
PCB pads look perfect, and the solder mask is intact except where the film makes contact.

N'mind! Eventually found the film on Ebay.
Not under BMW E39 key film, key repair (several shops, ALL in the UK?), but key parts.
Another whopping $2.84 w/free shipping!

Dave

Last edited by DBell; 12-11-2012 at 06:11 PM.
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