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Alarm system reset

Tiny
ERNESTO EUGENIOI
  • MEMBER
  • 2012 BMW X5
  • 3.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
I replaced the battery on my car and had no power on it for a day. After I installed the new battery and registered it, I noticed that my alarm is no longer working. The panic alarm works but my regular alarm does not work. I already followed the procedure posted on this forum but I think it may have something to do with the rolling code in the system. Any advise?
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Thursday, February 8th, 2018 AT 11:29 AM

1 Reply

Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
BMW is very complicated even when replacing battery. You pretty much need a good scan tool or there scanner to initialize everything down to the seat memory.

I would advise you take it in to a shop that has that equipment to do those calibrations and check for codes.
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Thursday, February 8th, 2018 AT 10:53 PM

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