[e36mmm]

Originally Posted by DR-JEKL

Hmm that's odd...

How much did they sting you for that?

$700 mate

[e36mmm]

Battery got replaced for another. All problems solved. Car is running silky smooth again. No DME issues emerged. Brought her home happy. Now it's time for a detail. I'd like to thank Active Motorwerke, all of you here that gave me quick responses and Vtl for the kind support and putting up with my OCD's lol

[DR-JEKL]

Fark mate that's an expensive battery... glad to hear she's all working fine now bet it's a relief you don't have a dead DME like Heath had!!!

[e36mmm]

Originally Posted by DR-JEKL

Fark mate that's an expensive battery... glad to hear she's all working fine now bet it's a relief you don't have a dead DME like Heath had!!!

Yeh it's an AGM type battery, most expensive type you can buy from BMW. The original lasted me 8 years as I previously mentioned and apparently that was a shortfall as they are supposed to last from 10-12 years! Which is why it is so expensive in the first place to replace. I could've got a cheaper battery from BMW but car had to be re-coded for a lower spec battery and I didn't want to complicate things so I stuck with the original. Thanks, I am also glad that she's back on the road again. Indeed very lucky to not have a dead DME. Time to invest in a trickle charger now.

[Fundguy1]

Mine, oem, lasted 5 yrs. Heat affects battery life.

[DR-JEKL]

Originally Posted by e36mmm

Yeh it's an AGM type battery, most expensive type you can buy from BMW. The original lasted me 8 years as I previously mentioned and apparently that was a shortfall as they are supposed to last from 10-12 years! Which is why it is so expensive in the first place to replace. I could've got a cheaper battery from BMW but car had to be re-coded for a lower spec battery and I didn't want to complicate things so I stuck with the original. Thanks, I am also glad that she's back on the road again. Indeed very lucky to not have a dead DME. Time to invest in a trickle charger now.

I've never heard of an AGM battery lasting 10-12 years?

My oem BMW battery lasted 6 years (previous owner never drove it much) and my oem AGM VW Varta battery lasted 5 years... (and it gets driven a lot!)

[e36mmm]

I have seen an e36 with a 10 year old battery and have seen a battery last 12 years on an e46. Depends on usage and how often you drive per day if it's a daily.. if my alternator was not an issue, I bet my battery wouldve lasted even longer..

[bmwheath]

Yeah my old E39 battery was 10yrs old when it finally died, and I think it died because I didn't drive it everyday like the previous owner, I only drove it twice a week

[e36mmm]

Yeh I start mine everyday now until I buy a trickle charger..

[NeT335]

Originally Posted by e36mmm

Yeh I start mine everyday now until I buy a trickle charger..

Bro EB89 has a charger for sale buy it off him.

I have the same one he is selling aswell

[e36mmm]

Ok bro I'll check it out..

[NeT335]

Here is the link

http://www.e90post.com/forums/showthread.php?t=1268962

[chinko]

Originally Posted by e36mmm

Okay seems like car will be off the road for a few more days. Replaced the battery with oem and tested the alternator. New Battery is fine but electronics are still messed up due to the alternator pushing 18 volts instead of 12 volts and my mechanic told me that its the end of the road for the alternator since it is providing such high voltage that it's effecting the ecu. The car needs to be towed in and get the alternator replaced before it can be driven. I could've blown 2k on mods and detailing and it goes to repairs. Fekk!

I had the same christmas tree warning lights on my dash and then car died. Mine's pushing 18v as well, indy is looking for one. What's the best option price vs value new/remanufactured/used?

[EB89]

So new alternator and battery from BMW?

Glad it's on the road mate, did you get a charger?

[e36mmm]

Yeh thanks mate, she's purring again. Yeh I bought a ctek 5.0 charger for dead cheap at repco. Haven't tried it yet. I still drive the car every few days so when it's storage time I shall try it out..

[yevg]

Originally Posted by EB89

I got a Bosche S5 for like $150 recently (I think it was that much)

Hey, old post, but do you mind updating how it has been holding up over this time? I recently put a Bosche one in and curious. thanks.

[e36mmm]

Not sure how bosch is but mines good..

[EB89]

Originally Posted by yevg

Hey, old post, but do you mind updating how it has been holding up over this time? I recently put a Bosche one in and curious. thanks.

Hey, I found my battery issues were caused by my JB4, once I got rid of it my factory battery was fine, i sold the S5 to another member.