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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Fri, Jun-24-2016, 05:30:46 PM   #31
JamesSJ1
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Default Re: My car doesnt make the beeping sound when i lock/unlock it

My 2006 'vert has the OEM system installed from the factory, and it only beeps intermittently when locking, always beeps when unlocking. I hooked up my car computer and checked all the settings, and even re-did them, to ensure flashing lights and beeps, but it's still intermittent. I guess it's a sensor, but nothing comes up when pulling codes. I just ignore it. Got the car only 1 1/2 years ago at 30k miles, so it's not like it's a wear issue. I've just chalked it up to a little glitch in the system and I don't worry about it. Maybe there is a slightly loose wire somewhere that isn't getting a solid connection, but haven't worried enough about it to try to track it down.

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Originally Posted by ROASTM View Post
Reviving old thread - I'm having this exact same issue now.

I believe the previous owner had the clown nose turned on, but did not have the OEM alarm system. I installed the OEM alarm system myself, but have yet to have it activated by the dealership due to sheer laziness and not wanting to pay the hour of labor for it, when I have a buddy that can program it for free.

Anyway, when I first installed the alarm, the car would beep once upon locking, and beep twice when unlocking - every time.

As of recently, it will not beep when locking, but will beep when unlocking. I know this is typically because a door is not closed all the way (or trunk or hood), but all doors/trunk/hood are appropriately closed/sealed shut. Where would you guys start?

Would you assume that one of the sensors has gone bad? I thought about this, but I have no lights on in the instrument cluster saying that a door is ajar when I'm driving (though I guess the hood would not show such a light).

Any help would be appreciated!
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Old Fri, Jun-24-2016, 06:09:38 PM   #32
Obioban
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Default Re: My car doesnt make the beeping sound when i lock/unlock it

The e46 does not beep if all doors are closed when you lock it. If something (trunk, passenger door) is open when you look it, it'll beep (letting you know it's locked but not secure) and then beep again when you close whatever was open.
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Discussing My car doesnt make the beeping sound when i lock/unlock it in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)