Question about 2007 BMW X3 3.0si SAV
My 2007 X3 is forever unlocking itself completely - including Alarm. Mirror LED not flashing when self unlocked. This happens after normal locking with the Key Remote, not sure if it will happen when manually locked with key at the door. Dealer is stumped after much troubleshooting and changing Drivers Door Lock, Recoding the Wireless Remote and latterly changing the Alarm Control Module. This unlocking happens intermittently, probably on average at least once per month, but in last 3 days it has happened twice. Car is found to be unlocked just as if unlocked and disarmed by Key Remote. After latest discussion with dealer I suspect an intermittent fault in the Remote WIreless Sensor, as yet not changed, but dealer and BMW still not coming up with this. Any thoughts please.
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Posted on Jan 02, 2017
Replace fuse 57 (15 amp) then disconnect battery and wait 30 to 45 minutes before reconnecting the battery.
My 2006 BMW 325I had the same problem with the door locks not responding. I checked all related fuses and found #57 (15 amp) was the only related fuse blown. I put in a new fuse and it still would not work. I then disconnected the battery for a while then once I reconnected the battery everything worked fine.
I believe I blew the fuse while repeatedly pushing the unlock button rapidly while walking across the parking lock to the car. I suggest only pushing the unlock button only once or twice.
Posted on Dec 11, 2009
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