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Where are you measuring?

Sure. I have a Ctek agm charger. And I have the Varta H15 agm battery.

As you mention, I wonder if there are specific coding for the agm battery.
I do have the full VCDS thingy..

Im very happy the RS6 does not pop or fart.. or crackle. Its my wifes daily driver.

Anyone using a AGM battery in their C6 RS6?

My battery is on the way out (Varta I6) and I have a new AGM battery...

Any issues fitting these?

Its not ''miles per gallon''. Its ''smiles per gallon''.

Fill it up when the warning comes on. Easy.

Hows the quality? Is it flexible? I have been running with a fiberglass unit which I have ripped apart twice.......

11" et 30.... how did that go?

I might put some 21” wheels on my RS6.

Any suggestions? Pics?

Was thinking 9,5x21 et 33 or so. With 285/30..

Yeah, located the fill holes for the front diff. Quite tricky to get to.

Haha, I do everything myself.

Anyway, just did the rear diff.

The rear diff has both a drain and a fill hole. Luxury. About a litre came out. 1,5l went in. Motul 300.

Now on to figure out the transfer case and front diff.

Try a reset.

Im going to change the oil in my front diff/transfer case.

Any writeups on this? Where is the drain /fill plug?

Is it a combined front diff / transfer case oil?

I understand a LS oil is to be used.

Cheers!

Perfect. Just changed it. Thanks

Just drained the rear diff. About 1litre came out.

Yes. Watercooled.