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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 03-28-2012, 10:16 PM   #161
slowreader
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Hey E46'ers

Thank you for this valuable thread - saved $200 on what the dealer was quoting for the labor on replacing
my battery!

I researched a bunch of batteries. The Walmart Evermaxx was coming in at $105 but I wasn't sure if I wanted
to deal with Walmart customer service in case something went awry.

So I bought the Autozone Duralast 94R-DLG (for $154.99 in Norcal). It fit right in. Installation was a breeze.
Only thing to remember is to **save** your little plastic tube that connects the vent hose to the battery.
Autozone does NOT sell them.
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Old 03-28-2012, 10:21 PM   #162
sellsellsell2000
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Econo Battery ~ $40
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Old 04-02-2012, 09:41 AM   #163
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Quote:
Originally Posted by Chris3Duke View Post
ETA: One more thing I forgot to mention, I just realized there are two vent holes on the battery: one for the vent hose, and one has a plug. I forgot to grab the plug out of the old core, so that hole was just open, which probably defeats the purpose of venting. I just put a piece of foil-backed tape over it for now, but will run back by Advance in a bit to try to grab the plug from my old core...
Just wanted to add, make sure you save this too. The new battery (at least mine) comes with just the two holes open. The little plastic elbow piece goes in one end (and connects to the vent tube), and you need to block the other hole. I went back and picked up the plastic plug from the old core, and it's in the new one now.

I'm guessing a piece of tape or something would probably work, but why risk it?
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Old 04-12-2012, 11:35 AM   #164
boki85
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49-DL vs 94R-DLG

Went with 49-DL, fits great and the DIY was super easy. Thanks to you all!
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Last edited by boki85; 04-12-2012 at 09:59 PM.
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Old 04-16-2012, 11:01 AM   #165
Spark330i
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Excise Replacement at BJ's, 60 month Warranty $110

BJ's Wholesale Club has the 94R replacement with a 60 month warranty, free replacement within 20 months, and it is even white.

Has the vent tube in the correct location and second vent blocked.

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Old 08-24-2012, 08:10 PM   #166
baygins
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Was reading in another place that one may need to "register the battery with the car" after putting in a new one. Is this really needed?
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Old 08-24-2012, 08:53 PM   #167
A.J. W.
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baygins, I think that is just for some of the newer ones with the Adapative Charging System or whatever they call it. I think some of the newer 5's have it, but AFAIK there is no registration needed for any e46s.
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Old 09-06-2012, 05:55 PM   #168
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Quote:
Originally Posted by Chris3Duke View Post
Just wanted to say thanks to all the posters in this thread, but especially to koolkat, as I had an Advance Auto Parts a mile from my house (I'm in Vienna off 123), and used a $50 off $150 code (Code = VISA) to get this battery for the same price. Advance tested my battery (It was at like 145 CCA), and installed it for free (the guy installing it didn't hook up the vent hose. I pointed this out, while watching over his shoulder, and he hooked it up). Price at the local mechanic was $230, I'm sure would have been at least $300 at the dealer.

The 94RH7 fit without any modification, which was worth it to me in terms of time (I was in and out in 30 minutes). Only downside was my little time-setter stalk thingie broke when resetting the time afterwards...

ETA: One more thing I forgot to mention, I just realized there are two vent holes on the battery: one for the vent hose, and one has a plug. I forgot to grab the plug out of the old core, so that hole was just open, which probably defeats the purpose of venting. I just put a piece of foil-backed tape over it for now, but will run back by Advance in a bit to try to grab the plug from my old core...


Thanks I used the VISA code online and picked up in store. For some reason my receipt said delivery but the manager honored the $50 off coupon. $128 for the 94RH7

Only problem I have now is putting the plug in for the air vent. The guy that put the battery in for me couldn't fit it, eventhough I told he should have put it before placing the battery in the car. I know it's an easy DIY but I injured my hands and tight squeeze stuff is hard to do.
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Old 09-06-2012, 10:59 PM   #169
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Quote:
Originally Posted by Tim30250 View Post
I learned that the hard way when I was 17.
I once let my mechanically challenged older brother hook up one end of a set of jumper cables. Yea meltage...luckily I disconnected my end quickly and gave him **** for getting something so simple wrong... Sigh....
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Old 10-15-2012, 06:54 AM   #170
PMR30
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I bought and installed a 49-DL yesterday and was surprised that my local AutoZone charged me $121.00. Then I looked at the dates in this thread and realized that maybe in 2005 a 49-DL cost $70. But, the information in the thread helped me greatly so thanks.
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Old 10-31-2012, 08:29 AM   #171
Alextorres0890
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Do you go to autozone and ask for the battery you put in or you ask for the specific one for bmw..? I looked online and the battery costs 170, but read a post that said thry paid 70
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Old 10-31-2012, 10:27 PM   #172
John in VA
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Originally Posted by Alextorres0890 View Post
Do you go to autozone and ask for the battery you put in or you ask for the specific one for bmw..? I looked online and the battery costs 170, but read a post that said thry paid 70
Get one of the models that everyone here has been talking about all these years. Prices have gone up since this thread started 7 years ago!
Walmart had the EverStart MAXX-49 for $82.00, 850 CCA, distributed by Johnson Controls, in Dec 2011. It's been working fine.
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Old 12-04-2012, 06:17 PM   #173
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Great Forum, i was ready to pay $300 today to have a battery installed and whatever the dealer was "suppose to do" til i read this. Went to autozone and bought the 49 DL and it may have taken them 10 minutes to install it, $97 total. i have a 2005 325I, it was the original battery, so 7 years wasn't too bad.
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Old 04-17-2013, 06:01 PM   #174
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Hey I just got told by both O'Reilly Auto Parts AND my local mechanic that I should have the battery changed by a pro who can maintain a charge to the system during the swap. They said by not doing so all kinds of computer issues can come up, like windows & sunroof not working right, readouts getting fouled, etc. Are they just blowing smoke up my posterior or what?

Oh yeah--the mechanic even told me a story of someone who had the steering wheel cranked al the way to one side when they did a swap without maintaining a charge & it screwed up their relays & cost them lots of money in replacement parts/relays. Is he serious, or do I need a new mechanic that maybe DOESN'T smoke crack?

I'm rollin' a 2003 330i. No mods.

Last edited by Argermacher; 04-17-2013 at 06:05 PM. Reason: Add-on
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Old 04-17-2013, 06:05 PM   #175
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Nah, you don't NEED to maintain the charge! I didn't do any of that, and the only thing I lost was seat position memory.
Even the radio presets were still there, and never had a problem with ANY power stuff.
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Old 04-17-2013, 06:40 PM   #176
Argermacher
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Nah, you don't NEED to maintain the charge! I didn't do any of that, and the only thing I lost was seat position memory.
Even the radio presets were still there, and never had a problem with ANY power stuff.
Thanks for the quick reply, Washburn. Sounds like I DO need to start looking around for a new mechanic...
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Old 04-17-2013, 06:58 PM   #177
Washburn
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You're welcome.
I got mine at Walmart and I had to help the guy a bit to take off the covers to access the battery, etc, but it was very simple for him to do in about 10 minutes
- most places install it free if you buy it from them. I just had them do it because I was lazy, and don't own a lot of tools/wrenches etc, but really there's nothing to it, you can do it yourself.

http://www.walmart.com/ip/EverStart-...ttery/20531542
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Last edited by Washburn; 04-17-2013 at 07:02 PM.
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Old 01-04-2014, 07:47 PM   #178
chet31
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Replaced my battery today. I have an '05 vert. The original battery was replaced with a BMW battery in '08, so I did not feel particularly motivated to throw in another BMW battery. I went with what is now called the Wal-Mart Everstart Maxx H7 (just to repeat, the convertible requires a different battery than the coupe or sedan, at least if you want it to fit without modification). $139 - didn't have time to search for a better deal. The previous battery vent elbow tube had not been connected to the vent hose, or had fallen off, this is why people DIY.
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Old 02-07-2014, 04:42 AM   #179
XKxRome0ox
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So it is time to replace the battery again
I replaced my original battery in my 2001 325i with a duralast 49-DL back in april 2007

Do i get another durast 49-dl or the everstart maxx-49?
Or is there a newer better (cheaper?) go-to replacement battery?
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Old 02-07-2014, 12:53 PM   #180
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49DL was discontinued, I believed there is 94DL at Autozone
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