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16 Autobahn Battery Replacement

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CosmosMpower

Ready to race!
Location
Dallas, TX
The battery on my 16 Autobahn GTI died. I did some searching on the forum and saw some mixed messages on the replacement process.

I don't believe I have the auto engine start/stop since it's a US car. I couldn't quite tell which size battery is the best compromise between direct drop in without any other coding etc.

Can someone tell me what size/group battery I need for an easy swap? Thanks!
 
KevinC

KevinC

Autocross Champion
Location
The land of Wyatt Earp & Doc Holliday
Car(s)
'19 Golf R, '21 M2c
I moved up to a Group 48 AGM replacement in mine, which is slightly larger than stock but fits the tray just fine, but requires a larger battery cover, if you want to retain it - which I think is a good idea.
 
jimlloyd40

jimlloyd40

Autocross Champion
Location
Phoenix
Car(s)
2018 SE DSG
You've driven the car for over two years and you don't know if you have auto stop/start? I don't know if they had auto stop/start in the 16 models but they definitely have it in cars in the US.
 
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CosmosMpower

Ready to race!
Location
Dallas, TX
I just bought the car 1 month ago and it’s my wife’s daily beater
 
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IVDUB1

New member
Location
Las Vegas, NV.
I Went with an H6-AGM Duralast Platinum. Its a little bigger than the stock one but still fits. I Also did the coding with my OBD11 to tell the car it's a new Battery. I was surprised that the Duralast Autozone battery is actually made in Germany.
 
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CosmosMpower

Ready to race!
Location
Dallas, TX
IVDUB said:
I Went with an H6-AGM Duralast Platinum. Its a little bigger than the stock one but still fits. I Also did the coding with my OBD11 to tell the car it's a new Battery. I was surprised that the Duralast Autozone battery is actually made in Germany.
Click to expand...

Is the coding just due to the increased size or do you have to do that with any new battery?
 
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IVDUB1

New member
Location
Las Vegas, NV.
CosmosMpower said:
Is the coding just due to the increased size or do you have to do that with any new battery?
Click to expand...

The car adjusts its charging pattern according to battery health. It's going to send more power to an older battery to keep the charge. A new Battery doesn't need as much of a charge. There for the car will overcharge a new battery decreasing its life if the car is not told its a new battery.
 
anotero

anotero

Autocross Champion
Location
Hither and thither
Car(s)
Mk7 GTI
IVDUB said:
The car adjusts its charging pattern according to battery health. It's going to send more power to an older battery to keep the charge. A new Battery doesn't need as much of a charge. There for the car will overcharge a new battery decreasing its life if the car is not told its a new battery.
Click to expand...
Jumping in: does the coding requirement apply to OEM replacements as well? I'll be getting an OEM 72 Ah replacement for my 60 Ah currently installed.
 
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CosmosMpower

Ready to race!
Location
Dallas, TX
Is the coding something that has to be done right away? I’m putting a group 48/h6 but don’t have a cable or obdeleven yet
 
Strange Mud

Strange Mud

Autocross Champion
Location
Small Town CT
Car(s)
Assorted
one would think that a car that required battery programing would at least have a battery that lasted for more than the 3-4 yrs that I've been seeing folks replace their batteries at.


Mrs Muds CRV made 8/9 yrs
My Taco made it 11/12 yrs!
 
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