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      09-13-2012, 07:34 PM   #1
rvaM3
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Battery Stabilizer

Where would one, locally, buy a battery stabilizer required for ECU tunes for the E92 M3?

Thanks in advance
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      09-13-2012, 09:08 PM   #2
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Search, you dummy!!!!
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      09-13-2012, 10:44 PM   #3
THE TECH
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If you want local help, you should post in the local section.
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      09-13-2012, 11:10 PM   #4
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you should post in the local section.
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      09-16-2012, 02:23 AM   #5
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No need for a stabilizer. The read will take 36 minutes with my cable, it will read the ECU even at a low voltage. Most cars have no problem.

Programming back the tuned file only takes under 5 minutes
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      09-16-2012, 06:25 AM   #6
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Just get a battery tender.
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      09-16-2012, 02:42 PM   #7
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Quote:
Originally Posted by armyav8tor View Post
Just get a battery tender.
That won't satisfy the battery voltage needs when doing long programming sessions.
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      09-16-2012, 03:27 PM   #8
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I got a battery charger at autozone for like 30 bucks. Charges at 2,8 and 12 amp increments. I usually use 8 amps.
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      09-17-2012, 08:09 AM   #9
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Quote:
Originally Posted by C|3R1C View Post
I got a battery charger at autozone for like 30 bucks. Charges at 2,8 and 12 amp increments. I usually use 8 amps.
FYI, for reprogramming or doing factory updates on the car as the OP asked, this will not work.
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      09-17-2012, 11:52 AM   #10
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Quote:
Originally Posted by THE TECH

FYI, for reprogramming or doing factory updates on the car as the OP asked, this will not work.
It worked on my friends 335. His battery died during flashing and left a part of the ecu blank. This was before the charger. (my battery never died so I can't comment on my car lol). Turned up the charger to 8 amps and it worked.

If this isn't OPs question then my bad lol. I guess I was understanding it wrong. And if I'm mixing up what I have with a charger then my mistake again lol
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      09-17-2012, 11:57 AM   #11
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Quote:
Originally Posted by C|3R1C View Post
It worked on my friends 335. His battery died during flashing and left a part of the ecu blank. This was before the charger. (my battery never died so I can't comment on my car lol). Turned up the charger to 8 amps and it worked.

If this isn't OPs question then my bad lol. I guess I was understanding it wrong. And if I'm mixing up what I have with a charger then my mistake again lol
The issue is that when programming, the ECM requires precise voltage or it will stop programming. Most battery chargers or tenders will not provide a stable amount of voltage. For lengthy programming, it's not safe to use anything but a voltage stabilizer.
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      11-07-2012, 10:00 AM   #12
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So what exactly do I need for programming/update to 240e sessions? I've borrowed a charger that can do 13v and 15amps. That should be enough no?
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      11-15-2012, 08:23 AM   #13
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Quote:
Originally Posted by KmndntKlink
So what exactly do I need for programming/update to 240e sessions? I've borrowed a charger that can do 13v and 15amps. That should be enough no?
I ask the same
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      11-15-2012, 09:41 AM   #14
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Quote:
Originally Posted by KmndntKlink View Post
So what exactly do I need for programming/update to 240e sessions? I've borrowed a charger that can do 13v and 15amps. That should be enough no?
Quote:
Originally Posted by edwinm3 View Post
I ask the same
For just an update to 240E and no other module updates, you shouldn't need a charger at all.
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