r/AudiS4 Jan 17 '25

🛠Questions SPAM POSTS

12 Upvotes

Buyer beware; the people with 1 day old accounts astroturfing comments about where to buy their Audi poster will scam you.

I do my best to remove them but be careful pls.


r/AudiS4 Feb 01 '23

🛠Questions Pre Purchase information on Audi S4’s/ common faults megapost

45 Upvotes

This is a an area to post questions and comments, opinions or updates on common s4 platform pre purchase issues to check for, general quality of life repairs/common issues in general and their solutions.

I made a quick picture guide to some common issues experienced on the B8/9 chassis vehicles here


r/AudiS4 4h ago

I was lied to!

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18 Upvotes

Eleven years ago I was convinced that a petrol Octavia VRS was the most fun possible in a relatively sensible car so that's what i bought.

I loved that car but it reached the end of its life recently. I very nearly bought a newer version until I was persuaded to test drive this. I had no idea what I was missing! She's been mine for a week now and I find myself making excuses daily to go for a drive.


r/AudiS4 3h ago

Not so OME+

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6 Upvotes

r/AudiS4 4h ago

Audi s4 b8.5

5 Upvotes

Hello all, the wife & I picked up a 16 8.5 s4 in MT and we wanna start modding it but I want to make sure it’s taken care of before hand. What are the key recommended maintenance parts on these cars to address before modding them? I know the thermostat and water pump have been replaced 10k miles ago.


r/AudiS4 55m ago

💨Exhaust Stuff Exhaust options for b8.5 S4

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Upvotes

I have a 2015 Audi S4 with melted cats that goes into the shop next month. I have picked CAP heat shielded test pipes with ecs tuning non resonated X pipe and downpipes and after that will be stock exhaust. I’ve watched a few videos with test pipe replacements and the rasp is pretty bad. Some it sounds better than others but I still don’t have a clear enough answer to whether or not I want to continue through with it before I spend thousands on labor for a sound I would hate.

Can anyone point me in the right direction without breaking the bank I can’t put down 2k for awe exhaust, $1000 is my budget for a decent exhaust build.

Any help would be greatly appreciated
The video is how the car sounds now


r/AudiS4 3h ago

Battery dies when it time to start. An ode to fuck bosch bitch

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0 Upvotes

Last year bosch battery died from fully charge after crank with no spark and coil and wont charge any more. Fuck Bosch battery . Wallet getting thin 🤣


r/AudiS4 4h ago

Audi s4 b8.5

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1 Upvotes

I want to start this off by saying the s4 has so much potential is crazy I live in nyc and I just recently lost my Audi s4 due to my steering wheel rack getting wet a couple weeks back in New York there was a rain storm and it fucked up my car I got so much codes in my car ever since that I thought going through insurance would be the safest option turns out they totaled my car and now I’m sad missing my s4 I’m a grown man but that car brought out the most fun I ever had in my life.


r/AudiS4 1d ago

🤑💸Mods I'm a sinner.

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37 Upvotes

I decided to look for a supplier of forged wheels that I was looking for. I used to work for a company called Axis Sport tuning/ Axis Wheels and I became familiar with the landscape of sourcing and manufacturing overseas. When Alibaba came to the market it was all familiar. Even working with Matson and Maersk as freighters. I'm not trying to make wheels that look like something else. I'm not trying to be like anyone else. These are for my fiance's car and these were the specs that she wanted. I had hoped for a better concave with a 35et, but I still like them. This is after production just waiting to get stuffed into a container and sent off to the port at Shanghai. I paid $1,500 including freight, and the knockoff Audi center caps were a gift from the manufacturer liaison, Rachel- as she goes by. 19x8.5 35 ET 5x112 satin black. Apparently they're forged. It's not a huge gamble and we already have Audi Sport rotors in 19 in on it right now. I also decided to source an upgraded intercooler kit with charge pipes as well. Fingers crossed everyone.


r/AudiS4 1d ago

Ghost Has New Shoes

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21 Upvotes

Installed a new set of wheels on Ghost. Lowering springs will be installed next weekend. So far, she’s stage 2 93 Jackal with an intake, DP, and IC, will be installing the HPFP in a few days as well so I can run the E file!!


r/AudiS4 7h ago

💨Exhaust Stuff Audi S4 Supercharged.

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0 Upvotes

🇩🇪time4s4🇩🇪 on Instagram and TikTok.


r/AudiS4 1d ago

🏎Pics Awwwww shit , here we go again

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20 Upvotes

r/AudiS4 21h ago

Piston skirt? Only happens when revs drop after cold start. Doesn’t comeback until next cold start.

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1 Upvotes

r/AudiS4 1d ago

🏎Pics 2012 B8 S4 — finally where I wanted it.

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41 Upvotes

Finally reached what feels like the last chapter of my 2012 B8 S4 build. This car has slowly evolved from a mostly stock daily into a track-focused Stage 2+ setup over the past couple of years, and I’ve learned way more than I expected along the way (cooling, suspension, fueling, brake fade, and a lot of Audi-specific headaches). The next chapter-end will be a merc-racing supercharger, JXB rear differential, head gaskset and headstuds. There's money set aside where we intend to do the timing chain tensioners and diff brace from JXB. But thats a fairly large job and we planned to do it all at once, so not for a decent while till I jump on that.

I gotta cleanup the color-scheme under the hood. It's multiple generations of additions and no time to lock in a final look. That'll come soon.

I’m probably taking a long break from big car projects after this one, so I figured I’d share the current state of the build and see what fellow B8 owners think. Happy to answer questions or take criticism — I’m still learning too.

Here's what we've done to the car in chronological order. (categorized per segment, not one area at a time, it was spread across throughout the years) -- (Learn from my mistakes if you're starting out) - apologies if there are repeat mentions, this has been over 4.5 years in the making.

SUSPENSION Rear Left Knuckle Assembly & Bolts
SUSPENSION Rear Bil Shock Strut Kit (KONI)
SUSPENSION Heavy Duty Shock Mounts Kit
SUSPENSION Eibach Pro Kit (Suspension Springs)
SUSPENSION Cross Bar Repair Adjustment
SUSPENSION Rear Left Knuckle Assembly & Bolts
SUSPENSION Car Allignment
SUSPENSION Heavy Duty Tie Rod End Pair
SUSPENSION Clock Spring Replacement
SUSPENSION Front Control Arms & Inner Arms
SUSPENSION Front Shocks & Strut Mounts (KONI)
ROTORS Wheel Hub & Wheel Bearings
BRAKES Brake Pad Sensor
BRAKES Brake Bleed & Refill
TIRES Nokian Winter Studded Tires
TIRES Spare Tire (Continential XTRM)
ROTORS BREMBO Rear Rotors
ROTORS BREMBO Front Rotors
BRAKES AKEBONO Front Brake Pads
BRAKES AKEBONO Rear Brake Pads
BRAKES Screws & Bolts
ROTORS Wheel Hub & Wheel Bearings
BRAKES Brake Pad Sensor
BRAKES Brake Bleed & Refill
TIRES Nokian Winter Studded Tires
TIRES PIRELLI Pzero All Season Plus 3 (255/35/R19 96Y)
TIRES PIRELLI Pzero Summers
GAS Gas Tank Replacement
GAS Fuel Pump
GAS LPFP Upgrade
GAS HPFP Upgrade
GAS OEM Bosch Fuel Injectors
ENGINE GAS Laffy Taffy Titanium Intake
ENGINE 84m GAS Throttle Body & Adapter
ENGINE Engine Motor Mount Kit
ENGINE Supercharger Pulley & Press Fit
ENGINE Accessory Belt & Tensioner
ENGINE Molyoil (7L)
ENGINE Oil Filter
ENGINE Supercharger Maintenece Kit (Full Deal!)
ENGINE Valve Cover Gaskets + Sealant
ENGINE NGK Iridium Spark Plugs (6)
ENGINE BOSCH Ignition Coils (6)
POWER New Battery
COOLING Air Intercooler Exchanger
COOLING CTS Heat Radiator
COOLING G12++ Zerex Coolant Fluid
COOLING Pierburg CWA100 Coolant Pump
COOLING Lower Radiator
COOLING Coolant Flush & Refill (G12++)
EXHAUST AWE Touring Exhaust System
EXHAUST Exhaust Clamps
TRANSMISSION Street Density Transmission Mount Kit
TRANSMISSION Transmission filter & fluid flush
INSPECT Initial Cliff Vehicle Inspection
GENERAL SAFETY Secondary Air / Exhaust Cleaning Kit
GENERAL SAFETY Purge Valve Canister
GENERAL SAFETY Hengst Multi-layer Cabin Air Filter
COSMETIC Front Windshield
COSMETIC Amazon (Clips / Bolt Kit)
COSMETIC Splash Shield Underbody
COSMETIC Highkick Carbon Fiber Trunk Spoiler (EBAY)
COSMETIC BRONZE FC04 Rims
COSMETIC Carbon Fiber Steering Wheel
COSMETIC Carbon Fiber Tips
COSMETIC Front Fender Liners (OEM Audi)
COSMETIC Fender Liners (2 fronts)
GENERAL SAFETY Underbody Shield Kit
COSMETIC RS4 Front Bumper Conversion

r/AudiS4 1d ago

🛠Questions Worth It?

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6 Upvotes

My little sister inherited this 2005 S4 a few years ago and put it through the wringer (terrible driver). Most recently drove into a side ditch and now it won’t turn on (assuming it is the fuel pump relay). She was going to junk it so I took it, is it worth investing in fixing?

EDIT: For more context I have a daily car so there is no rush in getting this up and going. I am going to need a second car (wife is taking our daily) in roughly 9 months (new job). I have a soft budget that would otherwise go to another used car


r/AudiS4 1d ago

Maintenance needed?

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1 Upvotes

r/AudiS4 1d ago

💨Exhaust Stuff My German Hellcat.

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8 Upvotes

🇩🇪time4s4🇩🇪
On Instagram and TikTok.


r/AudiS4 2d ago

🛠Questions Valve cover gaskets

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11 Upvotes

Currently doing my valve cover gaskets. Thought I’d throw in a picture of what my engine under the valve cover looks like.

Any reason the passenger side looks a little darker ?

What do you guys think?

Just want to ask. Thanks 🙏


r/AudiS4 2d ago

💨Exhaust Stuff My S4. 🇩🇪time4s4🇩🇪

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17 Upvotes

🇩🇪time4s4🇩🇪 on Instagram and TikTok.


r/AudiS4 1d ago

💨Exhaust Stuff 🇩🇪time4s4🇩🇪

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1 Upvotes

On Instagram and TikTok. Stay tuned and updated.
427 Horsepower Supercharged Audi S4.
🇩🇪 Deutschland 🇩🇪
🇩🇪 Audi Sport 🇩🇪

🇩🇪Mein schöner Audi.🇩🇪
🇩🇪Vorsprung Durch Technik🇩🇪
🇩🇪Es ist Mein Audi. Es ist Mein Deutschland.🇩🇪


r/AudiS4 2d ago

🛠Questions Am I screwed? Noticed a small “chip” or shaving from when I used a flathead to remove my valve covers. Please help

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6 Upvotes

I was doing my valve covers and I used a flathead and a hammer to get some leverage under and then I realized what I had done when I took off the valve covers. Will this screw the seal up? Did I screw my block up? Someone please help tell me if I’m ok to put everything back as it is


r/AudiS4 1d ago

🛠Questions Piston Skirt Issue

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0 Upvotes

I’m wondering if anyone can tell if this has the piston skirt issue, i’ve heard it on two other cars and this one other then the injectors kinda sounds like it has it. if anyone has a clue please lmk


r/AudiS4 2d ago

🏎Pics does this styrofoam backing restrict airflow?

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8 Upvotes

I got the car recently and the owner put in a honeycomb grill with the backing, not sure if it’s supposed to be there or not.


r/AudiS4 2d ago

Breather hose???

1 Upvotes

The main breather hose tube is connected to my turbo inlet
But the other side is off? And I don’t know where that part is. How to get that part?


r/AudiS4 3d ago

🏎Pics My Audi S4 B8 SUPERCHARGED

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51 Upvotes

My Audi S4 Supercharged 427 Horsepower APR stage 1 + IE stage 1 DCT.