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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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Old 08-12-2019, 02:42 PM
Ubolt Ubolt is offline
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Join Date: Aug 2019
Posts: 1
Mein Auto:
Key Fob

Hello All,

I have a 2002 540i. The key fob began not unlocking the car doors. It is a diamond case shape. I split the case open and thought I may need a new battery. Battery checked out OK at 3.24v. Checking it over it may appear the micro switch which unlocks the doors may be at fault.
Just does nor click like the other two switches. So my question is does anyone rebuild these key fobs or where is the best place to order a new one?

Thanks for all the help, it is much appreciated.
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Old 08-12-2019, 03:06 PM
edjack edjack is offline
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Location: San Jose, CA
Join Date: May 2007
Posts: 14,900
Mein Auto: '97 540i 6 speed
Read post #4. Two repair sources are noted:

Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
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Old 08-12-2019, 05:19 PM
Burning2nd's Avatar
Burning2nd Burning2nd is offline
Under the lift arms
Location: Under the lift Arm
Join Date: Aug 2010
Posts: 11,890
Mein Auto: e39, e83, e60
call the dealer.. have your last 7 of your vin, your vehicle registration and drivers license ready,

(you can fax or email the info to them)

pay over the phone,

either pick up your key or have them mail it to you..

Specializing In Breaking Things Professionally

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Old 08-13-2019, 04:46 AM
Joe-BMW's Avatar
Joe-BMW Joe-BMW is offline
Officially Welcomed to the 'Fest
Location: Boston
Join Date: Dec 2007
Posts: 4,302
Mein Auto: F10, E39, Audi Q7
This was all recently covered here:

Email Dillon, $50 bucks including a spare. Stay away from Scott in that other link above, he's kind of a jerk. Dillon will take care of you.
2003 540i|Jet Black|Gray Interior|M-Sport|WS NAV|Shades|PDC

Prior BMW's: 1987 325e|1993 740i|1998 740il|2001 530i|745li|2007 750li|2006 750li|2001 530i|2012 535xi|
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