5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
My alarm goes off after sitting for ten fifteen minutes. Not all the time very inconsistant. I normally hit the fob twice to deactivate. I would like to solve this problem. Any one have like problems. Thanks
It's an integrated system. No ripping out. Your dealer can go in with the tester, and see what the "alarm counter" says. There is a memory of exactly what trips the alarm, and how many times it occured.
Those cars had an interior sensor problem that would do just that. There is an updated sensor that can be installed, and is relatively cheap.
so if you have some moving toys, such as bunnies, dolls, vibrators(i hope not), ummm chickens that will set it off if they are moving inside :wink but yes like tech said it is a common problem in them that has been resolved
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Can anyone tell me where that interior motion sensor is located? My alarm went off once last week as I was walking out to my car in a parking lot. I was still about 100 feet away, was holding the key but hadn't pressed any buttons, when the alarm went off. No one and nothing was near the car. It hasn't happened again, but I never figured out what did it.
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Good to know others have had the same problem. I'll check with the dealer for parts. The last time it went off was in the church parking lot with the whole congregation standing there for an easter blessing. Not too red faced.
The motion sensor on the 528 is located on the "ceiling" of your car look above your head slightley to the back you will see an integratyed colored box covered with the same material like the roof of the interior almost square in shape. This is your motion sensor.
Now for these alarms to go off and on I mentioned it on a different post on this forum..running the risk of repetition I say This: when the alrm goes off for no apparent reason make sure you battery is not near dead....drop in voltage may affect the alarm.
Also if you read the manual it tells you how to deactivate the motion sensor feature on the alarm without paralyzing the entire alarm system. Simply put: when you arm your car make it a habit of pressing the large button on your keyTWICE while looking at the red light under the rear view miror, the red light will go solid from blinking each time you press the button. It is telling you the motion sensor has been deactivated......the same results can be achieved by turning the key clockwise all way in the drivers side key hole. LOCK THEN TURN THE KEY TWICE AS FAR AS IT WILL GO WHILE WATCHING THE RED LIGHT GO SOLID EACH TIME YOU DO IT....
Locate the siren and stick a screw driver through the fucker!
Only joking - As Bill says press the Lock button (Button #2 in the manual) to lock the doors then press it again, you will see the led under the mirror go solid and you have now activated the alarm but deactivated the internal radar motion sensor and tilt sensor. If you keep having the problem whilst doing this then obviously the sensor isn't at fault otherwise like the good people above have said buy and fit the replacement part.
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