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Discussion Starter · #1 ·
Hi guys

So I went to the stealership for the last free service (60,000 km)

After I went and pick up the Q3, they told me that the battery needs replacement soon.

The quote is $300 for the OEM battery
I quoted a couple of other places including Autozone and the quote is about $60 bucks

They told me the difference is the capacity of the battery for the Start/Stop function

Do any of you know something about it? Would it be bad to save some money and buy the "normal" battery?

TBH, I don't use the Start/Stop function. It's not even working now that the battery is near dead.

Please share your knowledge and advise.

Thanks
 

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We don't have S/S on NAR Q3s, but on other Audis here that do, they DO have higher capacity batteries (and rated starters) for it. If you consistently don't use the function or turn it off all the time, I wouldn't feel the least bit guilty about using smaller-rated and less expensive alternate battery. Shoot, you could replace yours a few times for the difference in price...
 

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Discussion Starter · #4 ·
We don't have S/S on NAR Q3s, but on other Audis here that do, they DO have higher capacity batteries (and rated starters) for it. If you consistently don't use the function or turn it off all the time, I wouldn't feel the least bit guilty about using smaller-rated and less expensive alternate battery. Shoot, you could replace yours a few times for the difference in price...
thanks!!
 

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Happen the same with my past 2015 A3 with less than 27k km. After my wife left the courtesy lights on.


Sent from my iPhone using Tapatalk
 

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Discussion Starter · #6 ·
update

Battery still going strong.

S/S functions sometimes, I almost always turn it off when starting the car, but when I forget to do it, sometimes it works sometimes it doesnt.

I'll wait till the end to change the battery
 

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Youo can fiddle the S/S with brake pressure. If you're VERY light on the brakes coming to a stop - you'll fool the system. Try it when you can. Then while stopped gently and the engine is still running, apply more brake pressure and you'll see - it will engage the S/S. Other things also contribute to the S/S system, such as engine temp, HVAC controls, and electrical load elsewhere. Any/all of these will sometimes keep the engine running even at a full brake stop. And if in Sport mode it will keep the engine running too...
 

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My battery also needs replacement, but there is no way to go on the stealership for 340euro. I'll go for a Varta E39 which think it's best and then code only the battery Ampere on Energy Management Unit
 

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Discussion Starter · #9 ·
Youo can fiddle the S/S with brake pressure. If you're VERY light on the brakes coming to a stop - you'll fool the system. Try it when you can. Then while stopped gently and the engine is still running, apply more brake pressure and you'll see - it will engage the S/S. Other things also contribute to the S/S system, such as engine temp, HVAC controls, and electrical load elsewhere. Any/all of these will sometimes keep the engine running even at a full brake stop. And if in Sport mode it will keep the engine running too...
THANKS
I've known the brake pedal pressure trick and the other variables por SS to engage.

I'm sure is the battery.
Yesterday it engaged and the battery dash light got lit

The end is coming for that battery...:(
 
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