Unitronic Stage 1+ E85 feels a bit slow, will Stage 2 solve my problems?

[DanMPower]

Car and Mods:

2018 RS3 full weight, no reduction.
Unitronic Stage 1+ E85 Tune
Unitronic Stage 2 TCU tune
Unitronic FMIC
Unitronic 3" Inlet
Unitronic NGK Race Spark Plug kit gapped to .024
Unitronic Wastegate Line upgrade
K&N drop in filter

E85 fuel tested to exactly E85. I always fill a VP container and test it before pouring it into the car.

The car feels kinda inconsistent from day to day, some days it feels like it rips and some days it just feels a bit sluggish. The car definitely is quick from a dig and to the 1/4 mile but not so much from a roll.

My best 0-60 on Dragy is 3.0 seconds flat, my best 1/4 is 10.89@128. 100-200kmh is 6.85.

The problem is my 60-130 is 8.13 seconds which seems pretty slow to me. My previous F80 M3 with an E85 tune only ran 7 flat 60-130, which I think gave me the perfect amount of thrill and the car ALWAYS felt fast, never seemed to have a "cranky" day.

It seems like on paper and Unitronic's own website, Stage 2 E85 only gains maybe another 30hp or so. Before I drop another $2500 on Unitronic DP's, Injectors and Stage 2, in real-world does Stage 2 make a noticeable difference? Seems like some RS3 guys who are Unitronic Stage 2 are posting low 7 seconds 60-130, it seems a bit hard to believe an extra 30hp or so will knock off a second during 60-130 or is there something else I'm missing?

[Razzaa]

Car and Mods:

2018 RS3 full weight, no reduction.
Unitronic Stage 1+ E85 Tune
Unitronic Stage 2 TCU tune
Unitronic FMIC
Unitronic 3" Inlet
Unitronic NGK Race Spark Plug kit gapped to .024
Unitronic Wastegate Line upgrade
K&N drop in filter

E85 fuel tested to exactly E85. I always fill a VP container and test it before pouring it into the car.

The car feels kinda inconsistent from day to day, some days it feels like it rips and some days it just feels a bit sluggish. The car definitely is quick from a dig and to the 1/4 mile but not so much from a roll.

My best 0-60 on Dragy is 3.0 seconds flat, my best 1/4 is 10.9@127

The problem is my 60-130 is 8.5 seconds which seems pretty slow to me. My previous F80 M3 with an E85 tune only ran 7 flat 60-130, which I think gave me the perfect amount of thrill and the car ALWAYS felt fast, never seemed to have a "cranky" day.

It seems like on paper and Unitronic's own website, Stage 2 E85 only gains maybe another 30hp or so. Before I drop another $2500 on Unitronic DP's, Injectors and Stage 2, in real-world does Stage 2 make a noticeable difference? Seems like some RS3 guys who are Unitronic Stage 2 are posting low 7 seconds 60-130, it seems a bit hard to believe an extra 30hp or so will knock off a second during 60-130 or is there something else I'm missing?

Have you logged the car lately? Also, why are you running your Ethanol @ 85%. Stage 1+ should run perfect around E70ish depending on ambient temps.


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[mike_TX]

So I'm almost on the same setup as you except that I have a catless DP, catless mids, 4" turbo intake, 4" intake pipe. Stock airbox (about to be replaced with IE Intake). I went from stock to Uni stage 2 93 and just recently switched to stage 1+ e85. Both running with Uni stage 2 TCU. I definitely feel faster with e85 than 93 stage 2. About to get Uni injectors in su that I can go stage 2 E. I think you should definitely go to stage 2 E. The things currently holding you back are the downpipes, larger turbo intake and the larger intake pipe. I'd say do it!!


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[DanMPower]

Have you logged the car lately? Also, why are you running your Ethanol @ 85%. Stage 1+ should run perfect around E70ish depending on ambient temps.


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I've logged the car a few times and had Brian Saxon@Unitronic look them over for me, everything seems solid, no timing was pulled. The only thing weird was the Unitronic datalogger doesn't give me an option to log wastegate duty cycle. I've tried mixing the fuel down as well and ran a few tanks within the E60-E70 range with no change and since Unitronic said the car will run perfectly on full E85 I decided to not mess with mixing it down any further. On one of my datalogs I did have a weird anomaly where I had a throttle closure for a few hundred RPMS @ around 3500, I always do my logs in 3rd gear with traction control fully off so not sure what happened.

[Rs31000]

So I'm almost on the same setup as you except that I have a catless DP, catless mids, 4" turbo intake, 4" intake pipe. Stock airbox (about to be replaced with IE Intake). I went from stock to Uni stage 2 93 and just recently switched to stage 1+ e85. Both running with Uni stage 2 TCU. I definitely feel faster with e85 than 93 stage 2. About to get Uni injectors in su that I can go stage 2 E. I think you should definitely go to stage 2 E. The things currently holding you back are the downpipes, larger turbo intake and the larger intake pipe. I'd say do it!!


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Can you run Uni Stage 1+ E85 with a downpipe? Do you get any CEL?

[BDP]

I know this may sound silly but try blending your fuel down to around E70 let it relearn and see how it feels. I'm similar mods to you not Stg 2 yet and I can't run straight E85 in my car with out getting soft limps on occasion. I do have a 4" inlet and a 034 Motorsports 4' intake though versus your 3" set up. I've called Unitronic and they said they see my issue when the ethanol is too high and told me to keep my ethanol content at E65-E70.

Most of my issues happen as the gears get higher starting towards the top of 3rd through 4th gear....right where your 60-130 is. When I blend down...I don't have any issues. I'm guessing you are having boost reduced in the higher gears due to the higher ethanol content to keep the stock fuel system in check. I see it in my times where the car on higher E feels godly around town and in the 1/8th mile then gets anemic after 1/8th mile and 60-130.

Also 7 flat on just an E85 tune is pretty much the top of the class on a M3. I've mainly seen mid 7's. You won't see that on a RS3 Stg 2 without weight reduction and great DA's. I doubt anyone full interior will come close to it. With that also, high 7's are doable on the RS3 with Stg 1+ with the 4" intake and turbo inlet...might be a stretch with the 3" inch.

[tegxsi]

E85 tunes are really setup for E70 and rely on fuel trims for the E60-E85 adjustment range.

I think the intake might be a restriction... but i think inconsistencies may be caused by IAT

[mike_TX]

Can you run Uni Stage 1+ E85 with a downpipe? Do you get any CEL?

Currently I'm running stage 1+ E with a catless DP and I do get the light. I'm awaiting injectors to go to stage 2 so that should take care of that.


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[DanMPower]

Does Stage 2 from Unitronic bump the rev limiter further? I've seen Vancity Audi do a POV and it showed 7500 redline IIRC...

[VirtuousWolf]

Yes the rev limiter moves to 7500 with stage 2 E85 which is cool. In sports mode it will shift at 6,800, but in manual sports mode it will allow you to rev to 7,500. Unfortunately, the soft limiter while not moving is still there :(

[Brian@Unitronic]

stage 2 e85 has pretty good gains in the 60-130 department over stage 1 as well as 4-5 mph typically in the 1/4 mile.

Brian

[DanMPower]

stage 2 e85 has pretty good gains in the 60-130 department over stage 1 as well as 4-5 mph typically in the 1/4 mile.

Brian

That’s all I needed to hear.

Just placed an order for:
Unitronic downpipe
Unitronic port injectors
Unitronic 4” inlet
Unitronic 4” carbon intake
Unitronic stage 2 upgrade

Can’t wait .

[Kaliking]

2021 BMW M5 Competition tested at 10.9@128mph / 60-130mph- 8.4 Seconds
2022 Porsche 911 GT3 PDK tested at 10.9@129mph / 60-130mph- 8.4 Seconds
2017 Audi R8 V10 Plus tested at 10.9@129mph /60-130mph- 8.1 Seconds
Your Car= 2018 Audi RS3 Stage 1+ draggy tested 10.9@128mph / 60-130mph- 8.2 Seconds

Not sure what the problem is? Your car seems to be running just fine as far as I can see according to your test results. Now feeling slow and actually being slow are totally different topics, and I am not sure even stage 2 will fix that for you. The stock turbo is laggy (sorry to break the news to you), but I've been told stage 3 feels incredible. I guess it just depends on driving style, I like that the RS3 even in stage 2 is relaxed when not really pushed, I don't really need a car that feels like it's always on the edge when I am driving two miles down the road to pick up milk.

[Kaliking]

Thought I add a couple more things. Even at stage 2 you are probably not going to touch low 7s in 60-130mph full weight, sorry but the F80s M3/M4 are monsters from a roll, but not as much from a dig, I mean they are not terrible, but the 60-130mph compared to the 1/4 mile don't line up, not sure if it's traction, gearing, a bit of both. Also can we stop with this tune only sh*t, all these turbo cars including a RS3 is all about the tune. Probably 95% of the power gain for stage 1+ RS3 is from the tune. I am stage 2 and almost all of my mods that are not the tune are there for support and peace of mind (NOT POWER), peace of mind that my engine won't blow (fingers crossed). But wouldn't surprise me one bit, if my car was incredibly close to running similar times if I was just Tune Only.

[DanMPower]

2021 BMW M5 Competition tested at 10.9@128mph / 60-130mph- 8.4 Seconds
2022 Porsche 911 GT3 PDK tested at 10.9@129mph / 60-130mph- 8.4 Seconds
2017 Audi R8 V10 Plus tested at 10.9@129mph /60-130mph- 8.1 Seconds
Your Car= 2018 Audi RS3 Stage 1+ draggy tested 10.9@128mph / 60-130mph- 8.2 Seconds

Not sure what the problem is? Your car seems to be running just fine as far as I can see according to your test results. Now feeling slow and actually being slow are totally different topics, and I am not sure even stage 2 will fix that for you. The stock turbo is laggy (sorry to break the news to you), but I've been told stage 3 feels incredible. I guess it just depends on driving style, I like that the RS3 even in stage 2 is relaxed when not really pushed, I don't really need a car that feels like it's always on the edge when I am driving two miles down the road to pick up milk.

I guess I was expecting more because this video sold me on the RS3.
https://www.youtube.com/watch?v=Ek3TTHQee8U

The owner said he was doing 6.8 60-130 in 400 DA with minimal weight reduction and low 6s in -2000DA. I was like, "Holy smokes, this thing would pull my E85 F80 from a roll and murder it from a dig, I'm sold!"
Now I'm wondering if he was full of it... or if in fact going to Stage 2 will make that much of a difference. Guess I'll find out in a couple of weeks when my parts arrive.

[BDP]

I guess I was expecting more because this video sold me on the RS3.
https://www.youtube.com/watch?v=Ek3TTHQee8U

The owner said he was doing 6.8 60-130 in 400 DA with minimal weight reduction and low 6s in -2000DA. I was like, "Holy smokes, this thing would pull my E85 F80 from a roll and murder it from a dig, I'm sold!"
Now I'm wondering if he was full of it... or if in fact going to Stage 2 will make that much of a difference. Guess I'll find out in a couple of weeks when my parts arrive.

Like I said a few posts back you aren't going to be in the 6's without weight reduction. I got in a whole sh*t show debate with another poster on here over a year ago before I owned my RS3 on this. The M4/M3 cars and now even the A90 Supra's are roll monsters. Nobody wanted to listen to me then either. You are going to be a mid to maybe low 7 car with Stg II with full weight.

The best my RS3 has run is 8 flat in favorable DA's....now that DA's are up in the high 2's and low 3's...I'm sitting around an 8.3.

Just like you I'm waiting on my Stg 2 parts to come in, specifically my downpipe is holding me up now on backorder. I'm not expecting to run much better then mid to low 7's Stg 2. It is what is is but the RS3 compared to the F80 M3's etc and A90 port injected E85 Supra's is going to get walked from a roll. Now a dig is a different story.

[DanMPower]

Like I said a few posts back you aren't going to be in the 6's without weight reduction. I got in a whole sh*t show debate with another poster on here over a year ago before I owned my RS3 on this. The M4/M3 cars and now even the A90 Supra's are roll monsters. Nobody wanted to listen to me then either. You are going to be a mid to maybe low 7 car with Stg II with full weight.

The best my RS3 has run is 8 flat in favorable DA's....now that DA's are up in the high 2's and low 3's...I'm sitting around an 8.3.

Just like you I'm waiting on my Stg 2 parts to come in, specifically my downpipe is holding me up now on backorder. I'm not expecting to run much better then mid to low 7's Stg 2. It is what is is but the RS3 compared to the F80 M3's etc and A90 port injected E85 Supra's is going to get walked from a roll. Now a dig is a different story.

I'd be fully happy with low-mid 7s 60-130 to be honest with full interior.

Which downpipe are you ordering?

[DanMPower]

Just a little update!

I now have the full Stage 2 Catalog from Unitronic.
Added their 4" inlet, catted downpipe, 4" carbon intake, port injectors, and flashed to Stage 2 E85.
Unitronic stuff is of amazing quality and the fit/finish is the best I've seen from the aftermarket.




Okay, the first impression, some say going from Stage 1+ to Stage 2 won't make that much of a difference but nothing could be further from the truth in my experience so far. This car absolutely rips now, bloody hell!

Took it out the same stretch of road I do my DRAGY testing and on the first pass I got the following:
60-130 in 7.12 seconds
100-200 km/h in 6.10 seconds

The best times before on Stage 1+ E85 was:
60-130 in 8.13 seconds (This was a 10.89 @ 128mph 1/4 miles pass)
100-200 km/h in 6.85 seconds

Stage 2 shaved off 1 second off my 60-130, this is full weight including some extra stuff in the trunk I forgot (wife's 4 custom solid wood picture frames). Bonus with Unitronic's downpipe there is ZERO smell and it sounds incredible, the 4" intake makes all kinds of interesting wooshing and sucking sounds that is a riot to listen to. I'm so glad I stuck with all Unitronic stuff because everything seems to work together in perfect harmony, the car starts and drives like stock...until you put the pedal down. I'm so in love with this car!

[8STTRS]

Awesome. I'm happy you got the results you were hoping for. I wish I had E85 available to me to experience nearly the same thing. My car is getting dropped off today to get a charge pipe, intercooler, throttle inlet, downpipe, and dog bone installed. I'll be flashing to Unitronic Stage 2 93 afterwards. I suspect that outside of the noise it'll make, and some slightly firmer feeling shifts, it won't be much quicker but hopefully it'll be more consistent.

[Kaliking]

Just a little update!

I now have the full Stage 2 Catalog from Unitronic.
Added their 4" inlet, catted downpipe, 4" carbon intake, port injectors, and flashed to Stage 2 E85.
Unitronic stuff is of amazing quality and the fit/finish is the best I've seen from the aftermarket.




Okay, the first impression, some say going from Stage 1+ to Stage 2 won't make that much of a difference but nothing could be further from the truth in my experience so far. This car absolutely rips now, bloody hell!

Took it out the same stretch of road I do my DRAGY testing and on the first pass I got the following:
60-130 in 7.12 seconds
100-200 km/h in 6.10 seconds

The best times before on Stage 1+ E85 was:
60-130 in 8.13 seconds (This was a 10.89 @ 128mph 1/4 miles pass)
100-200 km/h in 6.85 seconds

Stage 2 shaved off 1 second off my 60-130, this is full weight including some extra stuff in the trunk I forgot (wife's 4 custom solid wood picture frames). Bonus with Unitronic's downpipe there is ZERO smell and it sounds incredible, the 4" intake makes all kinds of interesting wooshing and sucking sounds that is a riot to listen to. I'm so glad I stuck with all Unitronic stuff because everything seems to work together in perfect harmony, the car starts and drives like stock...until you put the pedal down. I'm so in love with this car!

Congrats. I didn't think the RS3 full weight was capable of 60-130 in low 7s, but I stand corrected. Just wondering though, were the weather conditions the same for both runs?

[DanMPower]

Congrats. I didn't think the RS3 full weight was capable of 60-130 in low 7s, but I stand corrected. Just wondering though, were the weather conditions the same for both runs?

On the 8.13 run on Stage 1+ the temp was 63F, 58ft elevation, 669DA with a positive 0.24% uphill slope.
On the 7.12 run on Stage 2 the temp was 59F, 44ft elevation, 226DA with a positive 0.28% uphill slope.

[MXblau]

Good stuff!

[BDP]

On the 8.13 run on Stage 1+ the temp was 63F, 58ft elevation, 669DA with a positive 0.24% uphill slope.
On the 7.12 run on Stage 2 the temp was 59F, 44ft elevation, 226DA with a positive 0.28% uphill slope.

Yeah, you have a cheat code going on with that sea level and good temps. 59 degrees where I live gets me maybe 1500 DA's. I won't see DA's like yours until the whether here get's down into the low 40's and even then it's maybe 600-800ft.

Great comparison though. I'm glad you are happy, only .1 off your old M3 ehh? My stuff goes on the week of Oct. 13th so I'll be able to see what I get. I'm not expecting a full one second drop.

[DanMPower]

So I received my new phone mount yesterday to take advantage of the DRAGY video function.

Did a couple test hits, one 0-60 and one 1/4 mile before I noticed a Highway Patrol pass by. Decided to call it quits but I think I can improve since on the 1/4 mile pass, the 1-2 shift wasn't as clean as I liked.

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

https://www.youtube.com/watch?v=7hHswJzRvvo

[NoggieRS5]

So I received my new phone mount yesterday to take advantage of the DRAGY video function.

Did a couple test hits, one 0-60 and one 1/4 mile before I noticed a Highway Patrol pass by. Decided to call it quits but I think I can improve since on the 1/4 mile pass, the 1-2 shift wasn't as clean as I liked.

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

https://www.youtube.com/watch?v=7hHswJzRvvo

Get an ECE Dogbone mount. That should help tighten those shifts so you don't miss 1-2. Are you launching in S Dynamic or Manual Dynamic? TCS Sport or Fully Off?

[S3DUDE]

To the OP,

That is impressive on the 60-130 but what was the improvement on the 1/4 mile? what is your new trap speed and ET? I wouldn't expect much of a difference on the 0-60 but perhaps big improvement on the 1/4 mile. How do you like the new red line?

[DanMPower]

To the OP,

That is impressive on the 60-130 but what was the improvement on the 1/4 mile? what is your new trap speed and ET? I wouldn't expect much of a difference on the 0-60 but perhaps big improvement on the 1/4 mile. How do you like the new red line?

0-60 improved from 3 seconds flat to 2.89.
1/4 mile improved from 10.89@128 to 10.49@133, picked up 5mph in the 1/4 mile.

After adding lighter wheels, tires, and 2pc brake rotors I was able to drop my 60-130 down to 6.91 on Stage 2, full interior. Redline was very cool, was nice to hear that beautiful DAZA sing a few more hundred RPMs.

Didn't take long before I was craving more so I added a Hybrid TTE700.

60-130 is now 5.9
1/4 mile improved to 10.1@139 (lots of wheel spin on this run, I'm thinking a flat 10 might be possible with a better launch)

[3beeps]

0-60 improved from 3 seconds flat to 2.89.
1/4 mile improved from 10.89@128 to 10.49@133, picked up 5mph in the 1/4 mile.

After adding lighter wheels, tires, and 2pc brake rotors I was able to drop my 60-130 down to 6.91 on Stage 2, full interior. Redline was very cool, was nice to hear that beautiful DAZA sing a few more hundred RPMs.

Didn't take long before I was craving more so I added a Hybrid TTE700.

60-130 is now 5.9
1/4 mile improved to 10.1@139 (lots of wheel spin on this run, I'm thinking a flat 10 might be possible with a better launch)

Out of curiosity, were your best 60-130 runs from a dig or roll? I assume from a dig due to AMAX shifting -- curious if you have the same results as me, as our data is incredibly similar.

[JBones81]

Dan, is your motor still stock, or have you beefed it up at all?

[DanMPower]

Out of curiosity, were your best 60-130 runs from a dig or roll? I assume from a dig due to AMAX shifting -- curious if you have the same results as me, as our data is incredibly similar.

For my car, I found the best 60-130 times were from a roll. https://www.youtube.com/watch?v=XLwAP_spI60

Our cars do seem to perform very similarly when I was still on Stage 2. Heck, they look nearly identical from the outside as well.

[DanMPower]

Dan, is your motor still stock, or have you beefed it up at all?

The engine block/head is completely stock.

[S3DUDE]

0-60 improved from 3 seconds flat to 2.89.
1/4 mile improved from 10.89@128 to 10.49@133, picked up 5mph in the 1/4 mile.

After adding lighter wheels, tires, and 2pc brake rotors I was able to drop my 60-130 down to 6.91 on Stage 2, full interior. Redline was very cool, was nice to hear that beautiful DAZA sing a few more hundred RPMs.

Didn't take long before I was craving more so I added a Hybrid TTE700.

60-130 is now 5.9
1/4 mile improved to 10.1@139 (lots of wheel spin on this run, I'm thinking a flat 10 might be possible with a better launch)

Thanks a lot for the response. I have been on Stage 1 forever but I need to read posts like this specifically providing data going from Stage 1 to stage 2. I want to do a catless downpipes for faster spool. It seems like the Unitronic DP makes decent power.

[JBones81]

The engine block/head is completely stock.

I feel like most of the blown stock motors are happening on stage 2 E cars or turbo upgraded ones. I would love to go from stage 1+ here to stage 2, or even to an upgraded turbo, but i'm too scared to do it without upgrading the engine components first.

[S3DUDE]

^^ Upgrading the engine is a lot more money and by the time you are done there are other cars out there right now with forged crankshaft, forged pistons and mahle forge rods from factory like the S58 M3. I know what you are saying, I am itching for a Stage 2 and I haven't done it for the same reasons as you mentioned but in my opinion it takes a complete data base to analyze all the blown engines and look into what exactly went wrong. You are correct, lots of blown engines but at all levels, maybe less on Stage 1.

I am at 25k miles on Stage 1 Unitronic and never had a hiccup. 4 Harsh Arizona summers so far and on stock intercooler and I never had problems overheating. I switch maps between 91oct and E-85 every few months.

[M3_Dylan]

Glad you surpassed your F80! The RS3 can really put up some impressive numbers. Especially with 1 less cylinder and 1 less turbo than the S55. The F80 is a beautiful car, I would have 100% bought one as a daily instead of the RS3 if I didn't have to deal with snow in the winters. Maybe one day I will pick up a G80 comp xDrive… or move to a warmer climate lol.

[JBones81]

^^ Upgrading the engine is a lot more money and by the time you are done there are other cars out there right now with forged crankshaft, forged pistons and mahle forge rods from factory like the S58 M3. I know what you are saying, I am itching for a Stage 2 and I haven't done it for the same reasons as you mentioned but in my opinion it takes a complete data base to analyze all the blown engines and look into what exactly went wrong. You are correct, lots of blown engines but at all levels, maybe less on Stage 1.

I am at 25k miles on Stage 1 Unitronic and never had a hiccup. 4 Harsh Arizona summers so far and on stock intercooler and I never had problems overheating. I switch maps between 91oct and E-85 every few months.

Yep, same...I'm at 24k miles now. Been unitronic tuned since about 600 miles and have had no issues. I run e85 with 1gal of 91 to make about e72 so the car will start on cold mornings

[MXblau]

I guess I was expecting more because this video sold me on the RS3.
https://www.youtube.com/watch?v=Ek3TTHQee8U

The owner said he was doing 6.8 60-130 in 400 DA with minimal weight reduction and low 6s in -2000DA. I was like, "Holy smokes, this thing would pull my E85 F80 from a roll and murder it from a dig, I'm sold!"
Now I'm wondering if he was full of it... or if in fact going to Stage 2 will make that much of a difference. Guess I'll find out in a couple of weeks when my parts arrive.

@0:29 in this video - how do you get the tire pressure by wheel screen? This a non-US car? TPMS?

[lemonvr6]

It’s one of the menus. Direct tpms

[orrribah]

@0:29 in this video - how do you get the tire pressure by wheel screen? This a non-US car? TPMS?

It’s under one of the sport display option.


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[NoSuchSol]

I guess I was expecting more because this video sold me on the RS3.
https://www.youtube.com/watch?v=Ek3TTHQee8U

The owner said he was doing 6.8 60-130 in 400 DA with minimal weight reduction and low 6s in -2000DA. I was like, "Holy smokes, this thing would pull my E85 F80 from a roll and murder it from a dig, I'm sold!"
Now I'm wondering if he was full of it... or if in fact going to Stage 2 will make that much of a difference. Guess I'll find out in a couple of weeks when my parts arrive.

RWD cars or biased RWD cars just tend to feel a lot more fun. BMW did an excellent job with the F80 at making you enjoy the drive. The DCT was ridiculous and fun compared to the DSG. They were both naggy in similar ways but the DCT felt like it wanted to throw you around. There's also something much more hooligan about that back end and it wanting to kill you. It's not just the F80 and the RS3 either. I went from FoRS to RS3 to F80 M3 to 2020 S4 to M240i. BMW just dials in fun a little different. I loved both the RS3 and the S4 but they didn't have that dressed down feel of the others. ;) I'd love to see about throwing a TTRS around and see how that goes!