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Discussion Starter #1
My 2015 435i is in need of a new battery. Few weeks back I was able to find decent brands like Bosch and Exide online but now they are either discontinued, or they cannot be shipped because they contain hazardous materials. I'm not sure if suddely laws have changed but Iooks like I'm stuck with the type of brands that are available locally. Is duralast a good option? This is the only brand I can find in store or online from places that are willing to ship. Of course, the dealer is out of question as they quoted me $400 for a new one.
 

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I'm on the right coast, but can find an AGM battery similar to that in the car at the big box parts stores & even Walmart. You'll need to register it after installing it. I've used wet cell Duralast batteries, but not their AGMs.
 

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Did you know that almost all car batteries are made by only 2 - 3 companies? The AutoZone and Advanced Auto batteries that you can get for about $180 bucks will work just fine. As previously noted, just get it registered to ensure a long life.
 

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My local dealer was actually cheaper ($322) than both Intersate($349) and NAPA($370+)

When I called the dealer from the NAPA store to check their price, the NAPA parts guy went and got the Manager to beat it by$10 dollars, but I’d rather have a BMW part in the car for the extra $10 even if they are made in the same factory. The dealer replaces so many that the stock is fresh. The BMW parts guy said the H8 AGM is the most common BMW battery and they sell a lot of them.

The dealer wanted $250 to install and register it. So I installed it myself and took the car to an independent European car specialist who registered it for $90.

The car went from being a pain in the Butt always crying for a charge to trouble free, so I’m very happy.
 

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Discussion Starter #5
Thank you for the comments. After reading more on the group 49 batteries it comes down to two choices:

1. DieHard 38217 Group Advanced Gold AGM Battery GP 49 (92AH /850CCA which is direct replacement for mine)

or


2. ACDelco 49AGM Professional AGM Automotive BCI Group 49 Battery (95AH / 900CCA)

Both are priced similary ($199 and $208 on Amazon with free shipping). I'm inclined towards the ACDelco because I used their products before and I know they are high quality, but not their batteries.

I'll do the registration myself with ISTA-D/Rheingold.
 

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My 2015 435i is in need of a new battery. Few weeks back I was able to find decent brands like Bosch and Exide online but now they are either discontinued, or they cannot be shipped because they contain hazardous materials. I'm not sure if suddely laws have changed but Iooks like I'm stuck with the type of brands that are available locally. Is duralast a good option? This is the only brand I can find in store or online from places that are willing to ship. Of course, the dealer is out of question as they quoted me $400 for a new one.
If you have a pepboys near you they will carry bosch or champion.

Ive used both from them and the warranty is quite good. Should be somewhere in the range of $150 for the agm.

Ironically both batteries i bought had a sticker that said made in Germany..
 

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Discussion Starter #7
If you have a pepboys near you they will carry bosch or champion.

Ive used both from them and the warranty is quite good. Should be somewhere in the range of $150 for the agm.

Ironically both batteries i bought had a sticker that said made in Germany..
Unfortunately not, the closest pepboy shop near me is a 2 hour drive away :(
 

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Sam’s Club and Costco are worth a look, purchased a Duralast AGM last December for my X3. $185.

Used BimmerLink to register it.


2011 BMW X3 F25 N52
2015 BMW 328i F30 N20
 

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Has anyone used AAA mobile battery service for their F30 328i? They seem to be using ACDelco one, 94RAGM-c, with 800CCA, for $215 installed. This sounds like a good price.
 

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Has anyone used AAA mobile battery service for their F30 328i? They seem to be using ACDelco one, 94RAGM-c, with 800CCA, for $215 installed. This sounds like a good price.
That one is a little smaller(shorter) and cheaper than the 49 H8. Maybe in CA it would be less of an issue.
 

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That one is a little smaller(shorter) and cheaper than the 49 H8. Maybe in CA it would be less of an issue.
Your assessment is correct, this 94RAGM is only 80Ah versus 92Ah of BMW logo one.

Amp Hour 80
Reserve Capacity 140
Voltage 12 2H
BCI Group Size 94R
Length 12.4 IN
Cold Cranking Amperage 850
Positive Terminal Location Top Right Front
Width 6.9 IN
Terminal Type Top Post
Height 7.5 in
 

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Your assessment is correct, this 94RAGM is only 80Ah versus 92Ah of BMW logo one.

Amp Hour 80
Reserve Capacity 140
Voltage 12 2H
BCI Group Size 94R
Length 12.4 IN
Cold Cranking Amperage 850
Positive Terminal Location Top Right Front
Width 6.9 IN
Terminal Type Top Post
Height 7.5 in

Our 335 GT’s battery tray does not have a hole for the clamp in the shorter position. The 94R would required a spacer for the clamp to make it work. Because these cars are so full of electric operating items I want all the battery I can get and especially in cold climates.
 

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Discussion Starter #13
If you have a pepboys near you they will carry bosch or champion.

Ive used both from them and the warranty is quite good. Should be somewhere in the range of $150 for the agm.

Ironically both batteries i bought had a sticker that said made in Germany..
Unfortunately not, the closest pepboy shop near me is a 2 hour drive away <img src="http://s1.bimmerfest.com/forums/images/smilies/sad.gif" border="0" alt="" title="Frown" class="inlineimg" />
Received the ACDelco battery this tuesday, registered it with ISTA-D, absolutely no error codes thrown, only had to set the clock. I noted something interesting, VO says the car came with a 90ah battery, but the one in my trunk was 92ah (exide branded BMW). This one is 95ah and ISTA never asked about the capacity. I only chose the option to 'replace battery with lower or higher capacity' so I take it autodetected the amperage. Suprisingly easy (and free) considering it took me less than 5 minutes. Now, fingers crossed!
 

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Registering new replacement battery is another BMW quirk that I don't like, why does BMW make things overly complicated? Like most cars this should be plug and play.
 
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