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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 03-24-2012, 07:56 AM   #1
Ralph Thomas
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My Ride: 2005 325xi
325xi battery replacement help

Car = 2005 325xi
Need = battery replacement

Questions:
1) Do I need a battery with a vent tube?
2) Will any battery do? Or should I go to BMW dealer?
3) What's this I read about computer resetting, can I do that? What is it?

Thanaks in advance.
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Old 03-24-2012, 08:31 AM   #2
Kubica
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1) yes
2) no, no. read more threads. Autozone, Walmart, etc.
3) no that's for an e90
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Old 03-24-2012, 08:32 AM   #3
Gus330vrum
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Quote:
Originally Posted by Ralph Thomas View Post
Car = 2005 325xi
Need = battery replacement

Questions:
1) Do I need a battery with a vent tube?
2) Will any battery do? Or should I go to BMW dealer?
3) What's this I read about computer resetting, can I do that? What is it?

Thanaks in advance.

Go auto zone, Get Battery 49 DL. warranty depend on location..that is what we all use here as xi owners.

100$

or yes u can go to the dealer and buy that expensive OEM ONE.

yes you need vent tube it should come with new battery.

GOOD LUCK
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Old 03-24-2012, 08:44 AM   #4
Ralph Thomas
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Thank you very much. Now I feel comfortable doing this myself. That computer reset thing I read about was putting me off from doing this myself. There's an autozone in same town I work in, so I'm all set there.
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Old 03-24-2012, 08:46 AM   #5
dmax
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OP,

Just so it's been said, and I'll be more polite than most in saying this...but search the site, you'll find answers.

You've obviously read some threads, thus your question about the resetting, but 99/100 threads on batteries mention the 49DL.

Let's call this your 'mulligan'--use the search feature, otherwise you're in for a world of hurt here...just saying!

I just replaced my 49DL in the Autozone parking lot in 5 mins...brought core back in for the $10-20 they give you for it.
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Old 03-24-2012, 09:42 AM   #6
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and I used the wal-mart 94r MAXX (the johnson controls one) that was identical to the OEM one I pulled out. Either way, its pretty easy.
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Old 04-11-2012, 11:51 AM   #7
Riverbmr3
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just replaced mine with 49 DL, easy install
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Old 04-11-2012, 06:04 PM   #8
Espeedy
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Quote:
Originally Posted by mrlatexxx View Post
Go auto zone, Get Battery 49 DL. warranty depend on location..that is what we all use here as xi owners.

100$

or yes u can go to the dealer and buy that expensive OEM ONE.

yes you need vent tube it should come with new battery.

GOOD LUCK
I'll thank you sir not to speak for ALL XI owners, JK.
I went with an interstate battery and i've been quite happy with it, just my 2 cents.
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Old 04-11-2012, 07:29 PM   #9
shadow 2
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I bought a Bosch a few years ago from Pep Boys and quite satisfied with it.
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Old 05-06-2012, 09:25 AM   #10
Ralph Thomas
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My Ride: 2005 325xi
I ended up going ot Youtube and doing a search for "BMW 325 battery" and found a 7 minute video of someone changing their battey; ultimately I can say this was the first time I walked up to my vehicle with exactly all the right tools to do the job, and never had to go back to the tool chest.

The AutoZone I went to didn't have the 49 DL in stock, so I bought the next one up, the "94R-DLG" for $154.99; and it fit like a glove.

So far so good, all working perfectly fine. Quite possibly the easiest 'do it yourself' repair I could imagine.

Thanks to all that posted.

.. R
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Old 10-21-2013, 04:22 PM   #11
Smurphymurphy89
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the 49dl is discontinued
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Old 10-30-2013, 02:56 PM   #12
AWDBMW
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Let me pitch in an answer to the OPs first question: NO you don't need a battery with a vent tube if you get an Optima AGM type battery that is sealed. I have a yellow top (deep discharge) Optima and it fits fine in the back of my XIT with the existing clamp and a wood block spacer. No worries about venting hydrogen gas into the interior of the car. Plus AGMs are supposed to have very low self discharge rate if you car sits for a while between charges. I use an AGM in my motorcycle as well.
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Old 10-31-2013, 04:20 PM   #13
jmo69
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Bought mine from Batteries Plus for about $150.
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Old 11-02-2013, 12:11 PM   #14
White_Knuckles
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Quote:
Originally Posted by AWDBMW View Post
Let me pitch in an answer to the OPs first question: NO you don't need a battery with a vent tube if you get an Optima AGM type battery that is sealed. I have a yellow top (deep discharge) Optima and it fits fine in the back of my XIT with the existing clamp and a wood block spacer. No worries about venting hydrogen gas into the interior of the car. Plus AGMs are supposed to have very low self discharge rate if you car sits for a while between charges. I use an AGM in my motorcycle as well.
Yes, this is the ticket. With AGM batts, the GM stands for Glass Matt. The electrolyte solution is suspended in fibrous glass matting. They are indeed maintenance free and sealed. Autozone carries two flavors, the vented lead/acid version and an AGM not needing a vent. There's about a 30-40 dollar difference where the AGM is more. The fit is correct with both. I bought and recommend the AGM for many reasons. I'm certain they're rebranded Johnson Controls.
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