My dad just purchased a 1992 400E with 50,000 miles and is having a problem with his alarm system. Sometimes (appearingly random) when he unlocks the car and opens the door the factory alarm goes off (just horn and flashing lights, no starter interrupt). Does anyone know a fix, or if there is a fuse or relay he can remove to permanently disable the factory alarm. I think I'm going to get him a remote start for his birthday anyhow and that would have an alarm as well to make up for the disabled factory one. Thanks!

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Thanks,
Dave

1998 BMW 540i Sport
1995 E320
1992 400E
1989 BMW M3
1979 Triumph TR7 (1st car)
1986 BMW 735i (Sold)
1980 BMW 320i (Sold)