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how sensitive is our alarm?(factory)

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Old Apr 3, 2007 | 09:01 AM
  #16  
papiloco21's Avatar
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Originally Posted by KPierson
Most OEM systems have to compromise between overall security and false alarms. No one wants to own a car with an alarm that goes off all the time.

Everytime you add a sensor you greatly increase the chance of a false alarm. Motion sensors are notoriously bad for this, and I've never actually seen a car that had a motion sensor installed on the assembly line. Was the motion sensor a dealer add on?
my '97 bmw 528i came and all other e39 5 series came with oem factory motion sensors, was right behind sunroof on the headliner. on earlier model years they were easily triggered by microwaves and such, so i always found myself holding the lock button to shut off the sensor anyway when i armed the alarm.
 
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Old Apr 3, 2007 | 09:41 AM
  #17  
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From: Boston, MA
Originally Posted by LjN_728
I installed an aftermarket shock sensor myself and it works like a charm. Depending on the sensitivity level, a knock on the window will set the alarm off.

http://www.autotechs.com/items/item1081.htm
Does it have decent instructions on what you have to do or can you write something up for people here? I would love to install something like this on my car. The second night I brought my car home, some focker threw a trash bag full of crap on the hood of my car. I want them to be scared ****less the next time they try this.
 
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Old Apr 3, 2007 | 11:10 AM
  #18  
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From: Burtonsville, MD
Originally Posted by LT1 SS
If the hood, doors, or trunk are opened while the alarm is armed it will go off. If someone breaks a window or smacks into your car the alarm won't go off.
unfortunately that happened to me stupid alarm
 
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Old Apr 3, 2007 | 12:09 PM
  #19  
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Originally Posted by virtualbong
Does it have decent instructions on what you have to do or can you write something up for people here? I would love to install something like this on my car. The second night I brought my car home, some focker threw a trash bag full of crap on the hood of my car. I want them to be scared ****less the next time they try this.

The sensor pkg does have instructions but you can find a detailed install here. LINK Sorry I wouldn't linked it sooner but didn't have the site on hand.
 
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Old Apr 3, 2007 | 12:37 PM
  #20  
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From: Boston, MA
/\/\/\/\

This looks straight forward enough. How long did it take some of you to do this install?
 
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Old Apr 4, 2007 | 11:15 AM
  #21  
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so when the windshield is broken? will the alarm go on??
 
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Old Apr 4, 2007 | 11:16 AM
  #22  
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Originally Posted by Conscons
so when the windshield is broken? will the alarm go on??

Without the aftermarket shock sensor...no.
 
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Old Apr 14, 2007 | 07:55 PM
  #23  
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From: MD
just did this mod today, easy and works like a charm
 
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