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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 09-03-2012, 05:30 PM   #1
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Join Date: Aug 2012
Location: Des Moines, Iowa
Posts: 3
My Ride: 2004 325xi (base)
Alarm diagnostic assistance please.

Hey guys,

I bought our 2004 325xi with high millage and it runs great but has a couple minor things wrong with it. I'm attempting repairs myself unless they become too complex that it becomes a trip to the dealer.

One issue that is annoying the crap out of me is the alarm system does not "appear" operational. The "clown-nose" does not blink, and there is no indication from the turn-signals or horn that the car is either locked or un-locked.

I have checked the fuses (specifically 43 & 45 i think) and both were fine.

Does anyone have any experience with this issue or can provide some basic pointers on what to check in an attempt to resolve?

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Old 09-03-2012, 10:36 PM   #2
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Join Date: Sep 2011
Location: CO
Posts: 244
My Ride: 330Xi
Those are car/key memory settings that can be changed by the dealer or other coding software. You can check if the alarm is operational by locking the car with all the windows down, then reaching in, popping the hood and opening it, assuming the hood switch is still good.
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Old 09-04-2012, 08:56 AM   #3
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Location: Omaha, NE
Posts: 5,684
My Ride: 2001 BMW 330xi
you need to program the car for the blinker and clown nose. get a cable that comes with software on ebay for $35 and do it yourself.
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Old 09-04-2012, 08:57 AM   #4
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Join Date: Apr 2012
Location: Pa
Posts: 418
My Ride: 2001 325xi
Do you even have an alarm installed? Not all cars do, pull down the little box on the headliner, if there is something in there you do, if there's just a wire and no box in there you don't have the alarm
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