E30 BMW Alarm

Honest John Back Room » Technical matters
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Tue 5 Aug 2003 09:02
E30 BMW Alarm - Matt
The Sigma alarm fitted on my 1991 E30 BMW is playing up! Just when I\'ve crawled into bed at about 12:00, the thing will self activate and, if left, will keep turning on and off for a while. The problem only seems to happen when the car has been left in the sun during hot days and then garaged in the evening - it seems to be caused by something cooling down. The alarm appears to be good quality and well fitted with the standard two glass-break detectors and suffers no other problems at all. Any ideas very much appreciated!
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Tue 5 Aug 2003 11:54
E30 BMW Alarm - Matt
Just wanted to add that the alarm doesn't always go off at 12:00 exactly, it does seem to know when I've just retired to bed however - and no, I'm not sleeping on the blipper!
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