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Old 10-05-2012, 03:26 PM
EconoBox EconoBox is offline
Officially Welcomed to the 'Fest
Location: LA
 
Join Date: Aug 2011
Posts: 949
Mein Auto: 2001 530i (E39) 120k
A new battery seems to have solved my car alarm issue!
I was locking and unlocking the car with glee (and silence)

As a postmortem, I did notice my door locks were occasionally acting "weak" over the last few weeks.
Sometimes, they'd hesitate when unlocking (weak battery?).
I also noticed I had to sometimes unlock again when they first try seemed to abort/stall.
Otherwise, there was no indication of a low battery.
The locking/unlocking now seems more "crisp", but I'm not sure if that's the placebo effect.

A new 49-DL was $118 out the door at AutoZone. Here is the DIY
Even if this isn't the real culprit, I don't mind dropping $100 on a service item. My Excide was about 2 years old, FWIW.

It's been 5 months since anything has gone wrong with my E39.
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