Questions you thought were too dumb to ask

[The Infiltrator]

IIRC Forge sells those.

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Think I found it.

https://www.forgemotorsport.com/Forg...uct--1446.html

[Dirt]

Does the 2018 S6 “learn” your driving style and change things like shift points? (I’m not talking about Auto mode)

[Shuga]

Does the 2018 S6 “learn” your driving style and change things like shift points? (I’m not talking about Auto mode)

I think what you’re referring to is an adaptive transmission. I’m not sure the S6 has it.


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[wuplur]

Does the 2018 S6 “learn” your driving style and change things like shift points? (I’m not talking about Auto mode)

“Fuzzy logic” All Audi’s have had this for years. Which is why, when a customer comes in with a transmission concern, we’re not too quick to perform a basic settings on the transmission because it erases this and takes 500-1000 miles to fully adapt and can cause more concerns till it finishes.

[Dirt]

“Fuzzy logic” All Audi’s have had this for years. Which is why, when a customer comes in with a transmission concern, we’re not too quick to perform a basic settings on the transmission because it erases this and takes 500-1000 miles to fully adapt and can cause more concerns till it finishes.

Could you please explain further?

Here’s why I’m asking: when I first installed a piggyback tuner, the only side effect was more power. As time passes and more miles are put on the car, it feels like the transmission has a longer pause before engaging reverse. There’s also a minor stumble or hesitation when leaving from a stop. I don’t experience either of these when the piggyback is removed or for the first couple of days after it’s installed.

[Dirt]

I think what you’re referring to is an adaptive transmission. I’m not sure the S6 has it.


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Pics of your former cars?

https://www.audizine.com/forum/showt...-are-your-cars

[Shuga]

Pics of your former cars?

https://www.audizine.com/forum/showt...-are-your-cars

Lol thank you for bringing that thread to my attention as I haven’t seen it yet, just because someone has a hard on for me I’m not going to post my cars for people to rate them.


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[Shuga]

Could you please explain further?

Here’s why I’m asking: when I first installed a piggyback tuner, the only side effect was more power. As time passes and more miles are put on the car, it feels like the transmission has a longer pause before engaging reverse. There’s also a minor stumble or hesitation when leaving from a stop. I don’t experience either of these when the piggyback is removed or for the first couple of days after it’s installed.

Try resetting the transmission. On my Touareg the procedure is Car off.... push the ignition on engine NOT running 3: Press gas pedal all the way to the floor.... hold for 10 to 15-seconds. 4: Take foot off gas pedal 5: Turn off car. Open driver's door Close the door. Restart car


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[The Infiltrator]

Lol thank you for bringing that thread to my attention as I haven’t seen it yet, just because someone has a hard on for me I’m not going to post my cars for people to rate them.


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You troll this thread daily and you didn't see it huh? Let's see some car pictures and the post above is the most useful thing you posted here.

[Shuga]

You Scroll through this thread daily and you didn't see it huh? Let's see some car pictures and the post above is the most useful thing you posted here.

FTFY, I actually didn’t see that thread.

And that’s debatable.



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[vman932]

Could you please explain further?

Here’s why I’m asking: when I first installed a piggyback tuner, the only side effect was more power. As time passes and more miles are put on the car, it feels like the transmission has a longer pause before engaging reverse. There’s also a minor stumble or hesitation when leaving from a stop. I don’t experience either of these when the piggyback is removed or for the first couple of days after it’s installed.

@Dirt
Is your transmission issue intermittent, or does it happen all the time? I have a similar issue, but it is very intermittent. When pulling away from a stop, I let off the brake, the rpms drop a few hundred and it feels as though it has dropped into neutral, then it will grab 1st somewhat harshly. It will also do the same occasionally when shifting into reverse. Typically in a 3 point turn scenario. Drive forward, stop, shift to reverse, but it feels as though it drops into neutral for a second, then it will grab reverse. Does this sound like your issue?

I cannot recall if it ever happened stock. I think it might have, but I went APR stage 2 ECU and TCU within a few hundred miles of getting the car, so I didn't have much experience with it stock. I am now stage 3 APR ECU and TCU and it still happens, but only occasionally. I had a couple of guys at APR drive it, but of course it wouldn't do it with someone else driving....

[Dirt]

@Dirt
Is your transmission issue intermittent, or does it happen all the time? I have a similar issue, but it is very intermittent. When pulling away from a stop, I let off the brake, the rpms drop a few hundred and it feels as though it has dropped into neutral, then it will grab 1st somewhat harshly. It will also do the same occasionally when shifting into reverse. Typically in a 3 point turn scenario. Drive forward, stop, shift to reverse, but it feels as though it drops into neutral for a second, then it will grab reverse. Does this sound like your issue?

I cannot recall if it ever happened stock. I think it might have, but I went APR stage 2 ECU and TCU within a few hundred miles of getting the car, so I didn't have much experience with it stock. I am now stage 3 APR ECU and TCU and it still happens, but only occasionally. I had a couple of guys at APR drive it, but of course it wouldn't do it with someone else driving....

It only seems to do it after the piggyback has been on for a while, but my issue does sound similar to yours. The hesitation is fairly consistent after it shows up.

[vman932]

It only seems to do it after the piggyback has been on for a while, but my issue does sound similar to yours. The hesitation is fairly consistent after it shows up.

I assume your piggyback tune is strictly ECU correct? No TCU tune? I'll try flashing my ECU back to the stock file and see whether or not it shows up.

[Dirt]

I assume your piggyback tune is strictly ECU correct? No TCU tune? I'll try flashing my ECU back to the stock file and see whether or not it shows up.

Thanks man. And you’re correct: ECU only

[The Infiltrator]

I found this interesting and thought I'd share. Might be a good idea for people with the old oil screens and haven't changed them yet.

https://blog.amsoil.com/is-an-engine-flush-good-or-bad/

[ericw.]

@Dirt
Is your transmission issue intermittent, or does it happen all the time? I have a similar issue, but it is very intermittent. When pulling away from a stop, I let off the brake, the rpms drop a few hundred and it feels as though it has dropped into neutral, then it will grab 1st somewhat harshly. It will also do the same occasionally when shifting into reverse. Typically in a 3 point turn scenario. Drive forward, stop, shift to reverse, but it feels as though it drops into neutral for a second, then it will grab reverse. Does this sound like your issue?

I cannot recall if it ever happened stock. I think it might have, but I went APR stage 2 ECU and TCU within a few hundred miles of getting the car, so I didn't have much experience with it stock. I am now stage 3 APR ECU and TCU and it still happens, but only occasionally. I had a couple of guys at APR drive it, but of course it wouldn't do it with someone else driving....

There's actually a class action lawsuit against Audi for the issue you're describing but they probably won't use your car as part of their lawsuit since the TCU is tuned. Here's the latest news on that: https://topclassactions.com/lawsuit-...d-leave-amend/

[vman932]

There's actually a class action lawsuit against Audi for the issue you're describing but they probably won't use your car as part of their lawsuit since the TCU is tuned. Here's the latest news on that: https://topclassactions.com/lawsuit-...d-leave-amend/

My issue only happens from a stop. The issues described in that class action suit are shifting into 2nd, 3rd or 4th, or hard downshifts on decel. I don't have any of those issues. No mention of anything from a stop.

The Audi class action lawsuit alleged that the defective gearbox caused “juddering” or jerking in the affected vehicles when shifting into second, third, or fourth gear.

The plaintiffs said that the defect also caused a dangerous pause before acceleration that could result in a hard downshift when decelerating.

[ericw.]

My issue only happens from a stop. The issues described in that class action suit are shifting into 2nd, 3rd or 4th, or hard downshifts on decel. I don't have any of those issues. No mention of anything from a stop.

What about this part?

The plaintiffs said that the defect also caused a dangerous pause before acceleration that could result in a hard downshift when decelerating.

The APR TCU tune solves for the rough shifts.

[vman932]

What about this part?

The plaintiffs said that the defect also caused a dangerous pause before acceleration that could result in a hard downshift when decelerating.

The APR TCU tune solves for the rough shifts.

Read the portion after what you bolded: "could result in a hard downshift when decelerating" - This implies the "pause before acceleration" is while in motion.

[ericw.]

Read the portion after what you bolded: "could result in a hard downshift when decelerating" - This implies the "pause before acceleration" is while in motion.

Could isn't a certainty and the TCU tune has changed the shift points for better shifting.

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[PeoplesChoice]

I have a 2014 RS7 and I'm looking at a the AK-Racing-47 lowering module. It says that in order for it to work, I have to have the factory air suspension. How can I tell if I my car has this?

https://www.youtube.com/watch?v=wdhlXAzulso

[ericw.]

I have a 2014 RS7 and I'm looking at a the AK-Racing-47 lowering module. It says that in order for it to work, I have to have the factory air suspension. How can I tell if I my car has this?

https://www.youtube.com/watch?v=wdhlXAzulso

Your car will change ride height between comfort and dynamic mode if you're on air ride. You'll also have the "raise" function on the MMI. All RS7 in America came with air ride unless it's the Performance edition.

[PeoplesChoice]

You are awesome, thank you!

[bknewtype]

Stock s7 ( with intake ) vs b8.5 stage 2+

Which is faster u think?


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[Shuga]

Stock s7 ( with intake ) vs b8.5 stage 2+

Which is faster u think?


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B8.5 what? S5? S4?


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[bknewtype]

B8.5 what? S5? S4?


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S5


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[Shuga]

S5


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Hmm. I think it’d be extremely close. You have the weight...


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[bknewtype]

Whats the lowest someone went on factory air without issued? Im looking to close more of my wheel gap but iv already exceeded whatever was recommended on the vagcom guide. I think 14-17mm or something like tnat


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[ThewhippetsS5]

Whats the lowest someone went on factory air without issued? Im looking to close more of my wheel gap but iv already exceeded whatever was recommended on the vagcom guide. I think 14-17mm or something like tnat


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17

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[bknewtype]

17

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Whats the current value on urs? U lowered?


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[ericw.]

B8.5 what? S5? S4?


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The stage 2 S5 will be faster especially against a stock S7.
S5 3.0t will run mid 11's at stage 2 w/ 100 octane.

[X_BMW]

I have a 2017 A6 Quattro. Being all-wheel drive. Do I need to rotate the tires? I know I should balance them but not sure about rotating since they all should have the same wear on the treads.

[bakes]

I have a 2017 A6 Quattro. Being all-wheel drive. Do I need to rotate the tires? I know I should balance them but not sure about rotating since they all should have the same wear on the treads.

I would rotate front to back as the front wheels carry the engine weight and do all the cornering so they'll wear slightly faster...at least that is the way I approach it.

[Dirt]

The stage 2 S5 will be faster especially against a stock S7.
S5 3.0t will run mid 11's at stage 2 w/ 100 octane.

Agree with this

[bryanb8]

I have a 2017 A6 Quattro. Being all-wheel drive. Do I need to rotate the tires? I know I should balance them but not sure about rotating since they all should have the same wear on the treads.

I was advised from more than one Audi service center not to rotate tires on a Quattro car. Balance yes, rotate no.

[bahula03]

I have a 2017 A6 Quattro. Being all-wheel drive. Do I need to rotate the tires? I know I should balance them but not sure about rotating since they all should have the same wear on the treads.

The thing to look out for is having big differences in tread depth side to side and front to rear as the car will treat the worn tire(s) as wheel slip, which will lead to excessive wear or damage to the diffs. I forget what the exact numbers are for the maximum allowable tread difference side to side and front to rear, but you can find it in the owner's manual. Tire wear depends on a lot of factors (alignment, air pressure, how you drive the car, etc), but I'd venture a guess that with the car being rear-biased and those wheels doing most of the work when you're accelerating...probably going to see a little bit more wear on the rear tires.

It's totally fine to rotate the tires within the wear recommendations of the manual. Rotating just front to back should be most helpful if you're looking to get the most life out of a set of tires (something is probably out of alignment if you're seeing substantially different wear side to side).

[Dirt]

I was advised from more than one Audi service center not to rotate tires on a Quattro car. Balance yes, rotate no.

Why?

[bryanb8]

They all said they wear at an even rate and not to rotate them due to alignment issues as well. Some may not agree, but I'm just stating what they all have been telling me for years. Surprisingly, this has rung true for all my previous Audi's with Quattro. When I replaced the tires the wear was always within 1/32 of tread on all...and I even take the twisties home every day from work. Just passing along, I'm sure some will swear by and fume about non-rotation of tires on any car.

[Practical]

Are there factory rear and side sunshades for the A/S/RS7 models? I’ve found the rear with part number 4G8-861-325, but it appears to mount in a less than ideal location. I’m looking for something that will attach close to the glass instead of behind the rear headrests.

[kebabman]

Are there factory rear and side sunshades for the A/S/RS7 models? I’ve found the rear with part number 4G8-861-325, but it appears to mount in a less than ideal location. I’m looking for something that will attach close to the glass instead of behind the rear headrests.

Just get a ceramic tint, tidier and looks cool.