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General E46 Forum
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Old 07-18-2013, 11:36 PM   #1
bmw_328ci_e46
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Bmw e46 alarm beeps only unlock?

Bmw e46 alarm beeps only unlock? I installed the kit today and the siren goes off if you unlock it or hold the trunk button but if i lock it , it may beep one out of ten lock. All the settings in pa soft for the alarm except the rear motion sensor for the vert.


Any ideas?


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Old 07-19-2013, 12:18 AM   #2
white46
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Re: Bmw e46 alarm beeps only unlock?

Open hood and slam close it and try again.
If it works properly after that, then it's the hood sensor need replacing.
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Old 07-19-2013, 08:24 AM   #3
Hector45
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Originally Posted by white46 View Post
Open hood and slam close it and try again.
If it works properly after that, then it's the hood sensor need replacing.
+1
Mine was starting to go bad and would set the alarm off randomly. After unplugging the hood sensor the problem went away. I think a new sensor is only $16 bucks.
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Old 07-24-2013, 02:52 PM   #4
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Right after I installed and activated my alarm system, it would go off randomly due to a faulty hood switch. It also would not beep every time I locked the car. I replaced the hood switch and that cured the alarm issue, but it still does not beep every time the car is locked. More like every 10-20 times. It does beep every time I unlock the car, though.
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Old 07-24-2013, 09:25 PM   #5
tachi1247
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Re: Bmw e46 alarm beeps only unlock?

See the end of this thread http://forum.e46fanatics.com/showthread.php?p=15536661 for a solution that worked for me

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Old 08-06-2013, 03:39 AM   #6
bmw_328ci_e46
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Bmw e46 alarm beeps only unlock?

Quote:
Originally Posted by LeMansteve View Post
Right after I installed and activated my alarm system, it would go off randomly due to a faulty hood switch. It also would not beep every time I locked the car. I replaced the hood switch and that cured the alarm issue, but it still does not beep every time the car is locked. More like every 10-20 times. It does beep every time I unlock the car, though.
Same here anyone else have suggestions?


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Old 08-27-2013, 12:34 AM   #7
bmw_328ci_e46
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Bmw e46 alarm beeps only unlock?

Changed the hoodswitch


Beeps on lock most of the time but sometimes still does not . Anyone?


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Old 08-27-2013, 10:25 AM   #8
willsbma
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I jumped out my hood switch and I still have issues with not always beeping/flashing on lock or unlock. I contributed it to data corruption during the coding, maybe my batt voltage had something to do with it?
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