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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 12-20-2009, 03:12 PM
mafu10 mafu10 is offline
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Location: reading
 
Join Date: Jan 2008
Posts: 7
Mein Auto: 523se
ignition switch - battery drain

chaps,

I have a major battery drain issue, iam pretty sure its not the fsu as i dont have any heater problems at all!, however i have noticed since the battery drain ha started the electric windows still work even after 15 minutes since the key has been removed from the ignition.

So i'am thinking could i have a faulty igniition switch (although nothing else i.e. the radio comes on, just the windows) or could the GM unit be faulty, i.e. not shutting the car down and in so doing the windows still work. I also have the emission warning light randomly coming on and off, i'am told this could be ignition switch related is this correct?

advise would be greatly appreciated, 523i, 2000 reg, 120k miles, no other faults to report.


many thanks

matt
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