- Selling 2018 S4
- Intake options - B9.5 "Mild Hybrid"
- Bosch MG1 HW80 ECUs Finally Unlocked by AutoTuner! 2.9T/3.0T/4.0T/6.5L!
- Dash nessage "Inspection in 28 days"
- Rear Window Side Wing S4 Avant 2017
- Another dreaded rocker arm failure
- Dead Driver Mirror Camera
- AutoTuner One Smartphone Flasher Now Supports both ECUs and TCUs!
- S4 Avant (Stock) Exhausts Misaligned
- 2020 S4 B9 Ambient Light After Installation Review
- Tuning now possible on "locked" ZF8 Transmissions! (AL552/AL952 Gen 2)
- 2019 audi s4 prestige value
- RS4 B9.5 Brakes
- Piston Skirt Stats?
- Suggestions for Spring replacement - DFW Texas
- Audi Piston Skirt Coverage(No More Short Blocks)
- OEM Trunk Spoiler Removal?
- 2021 S4 Water pump questions
- D3S LEDs - brighter than xenon - cleaner white - instant on - no errors
- Low boost cold
- Coolant Leaking Out of Vacuum Circuit
- Throttle Response
- Introducing the SCT X2R In-Line Performance Device for 2016 Audi S4 (B9) 3.0 TFSI
- Enhance Your S4 to Premium Light with this Retrofit
- B9 S4 RMS Leak + Oil Filter Housing Leak – Advice Needed
- Do Major Service before Tuning? Will modding lead to great chance of failure?
- Thoughts on Sport Package
- Programming for Drive Modes
- audi b9 s4 wont shift from P
- tte810+ 3300 free shipping 9xx miles perfect condition
- new shoes
- Front camera mount for RS-style grille on B9 S4
- 2018 S4 Engine Coolant Temp Sensor
- No Gateway Communication, No Instrument Cluster, No Start - B9 Nightmare
- Boost Creep/Control Issue
- gateway controle module RS4 B9
- B9.5 S4 is extended warranty worth it
- Tips for Storing S4 for 6 Months
- Akebono pad part numbers?
- Oil Leak... help!
- Electricals / sensors issues
- Received notice from Aldi!
- Car Gods Punished me…
- Catless downpipe question
- How many 2025 S4s
- 95 mph Cruise Control Limit Raise
- Intermittent Engine Temp Warning
- Audi Oil Change?
- VCDS Fault code 13894400(B1050 00)
- Strut diameter size question
- What is this for?
- Oxygen spacers that work
- Correct platform?
- Brake Rotor Replacement w/Pads
- Weak Audi Radiator
- Drive System Malfunction
- Interior LED lights color change question
- 2021 Audi S4 Insane Oil Consumption
- audi s4 drive system malfunction At 4k RPM
- Correct procedure for coil packs & plugs
- APR B9 S4/S5 Exhaust System! Great Gains. Deep Sound. High Quality / Free Flowing.
- For Audi A4 S4 RS4 2008-2018
- The B9 + B9.5 Activations + Retrofits Information Post...
- Looking for Charlotte area parts and help
- Water Pump or Gasket?
- 2020 S4 40k Mile Update
- S4 B9.5 APR Stage 1 MAX Boost low RPM concern
- Misfire on cyl 6 and codes - p0027 and p0029 exhaust valve control selenoid
- CN: Oil choice and Oil temperature?
- 2018 S4 tune question
- All warning/dash lights after starting
- B9 S4 Oil dipstick tube replacement
- Boost Leak Update
- 2019: Pothole - bent wheels
- rattling ticking sound when a 'cold' start
- Audi S4 B9 reliability/longevity mods
- S4 - S5 SEDAN COMPARISON
- SiriusXM / MMI “forgetting” radio favorites
- 2019 S4 sport differential fault code question
- Exhaust Options
- Porsche GT4 RS vs 034 Modified Audi S4!
- Ambient lighting retrofit!
- New APR B9 S4/S5 Intake System: Big power. Full system. Low price.
- Audi S4 B9 Won't engage in gears from P
- are wheel spacers a bad idea?
- Fitcamx Installation
- 1994 RX7 vs. Tuned B9.5 S4
- Help, fault on double subwoofer speaker 2 "open circuit"
- Anyone running 17" winter wheels?
- MMI maps inaccurate or just a skill issue? (UK)
- New B9.5 S4 owner!
- Tuned my car, 2 weeks later boom
- GT3 RS vs. 034 Tuned S4
- A question about torque distribution of Audi S4 B9.5 during dyno test
- Audi S4 B9 Software Update
- Hardwire dashcam now getting malfunction messages on dash
- Stage 2 S4 Rips!
- Steering Wheel Heater
- s4 b9 2020 3.0tfsi gearbox tiptronic problem
- Electrical specialist In Socal
- Stage 2 Audi TT vs Stage 1 Audi s4
- Rear differential of Audi S4 B9 2018 year
- Civic Type R vs. Tuned S4!
- S4 side reflectors
- UK; Oil Spec?
- M4 Comp vs. S4
- Purchasing A 2018 Audi S4 w/ 51,000 Miles
- Global Time Attack World Finals - B9.5 S4 - Full Weight/No Aero
- 2018 S4 Battery Replaced
- Exhaust timing sprocket incorrect position
- ECS Tuning Black Friday Deals!
- whining noise from rear
- TCU Upgrade LOCKED
- OBD 11
- Stolen car help
- Oil Leak
- Vibration noise
- Dealer can't fix DRC suspension leaks (2022 RS4)
- Who's this jokester?
- Launch Control
- Auto Start/Stop and Mod 17 wrong code
- B9 Turbo / Launch control problem
- New Product - OEM A4, S4, RS4, A4 allroad Post-Facelift Highline Taillight Packages
- You kept your S4 past 3 years.... did you regret it?
- Ticking Sound: Rear Deck Area
- Passive Tire Pressure Monitoring
- CETE S4/5 B9 Exhaust Valve Controller Information...
- S4 rear ended tonight.
- Water pump and Coolant shutoff temperatures
- Identifying the screw - 2018 B9 S4
- 2024 Audi 20" Black Optic Wheels and Tires Fitment Question
- knocking type sound coming from engine idiling
- S4 Dipstick kit?
- Max tire width for B9.5 S4?
- B9 S4 - Water Pump, Thermo, and Valve failure
- 2021 B9.5 S4 Engine Noise
- Brake Pad Life - Expert Opinions Welcome
- C10C929 Code - Power Steering Failure
- 2018 gotland green metallic prestige with gotland grey Interior
- B9 Rocker Arms - Whats the official revision date
- Pre sense module
- Coolant leak only once, than turn off engine and check coolant level
- $4K rebate on S4
- Feels Like Misfire under Hard Acceleration
- Good buy? - 2018 Audi S4 with 56k miles -
- Door panel fabric replacement
- Headlight Switch Pop Up Dimmer
- B9 S4 with 50k+ miles out of warranty?
- Help - Oil Leak
- Brake Replacement Questions, Survey
- IE stage 2 trans tune issues on '22
- Audi S4 B9 Rear Shock replacement
- 2018 S4 Motor Mounts
- Cannot resubscribe to Audi connect plus
- No B10 for MY2025
- Rhythmic clunk in rear end
- Audi S4 B9 2018 56k mi ticking from the engine
- Intake air system leak and hunting Idle
- P0299 - possible intermittent issue with boost
- Parasitic Draw Troubelshooting
- Fuses
- Ding/dent warranty coverage question
- What wheels are these for Audi?
- Metal clanking/grinding noise coming from front end
- My S4 Build
- Threw A Rod 2018 S-4, 62,000 Miles
- Online Parts
- G2 Brake Caliper Paint System
- Cam solenoid location
- 18 S4 suspension error
- Getting custom CF work done
- Possible Rack Seal Leak?
- Launch Control in the 2024 Audi RS5
- [Advice Required] Trunk Subwoofer Replacement Using Stock Amp
- Aftermarket Wheel Options for Audi S4 RS4
- Audi B9 S4 steering off center (electromechanical steering warning)
- New 034 Wheels & Bullet Nose Stud Kit!
- VCDS users - ignition angle and WG DC
- New to this forum
- Location of air intake points?
- ZA: Will RS4 sedans return?
- What Is This?????
- Jack Storage Location??
- 20% off our bright D1S / D2S / D3S LEDs! These are brighter than xenon bulbs!
- ZA: Coolant Warning Message B9 2018 S4
- New Product - A4, S4, RS4, A4 Allroad Hidden Electric Hitch Package
- Help with exhaust valve issue
- Passanger Massage Seat Setting Not Displaying on MMI
- New Forgedlite TF Series 1pc Forged Monoblock - Custom Made for your Audi
- All-season Tires
- MMX Wheels 1P 2P 3P & 4P Forged Aluminum Wheels Master Distributor Wheel Designers
- Ordered an S4
- Dynamic Steering Option
- B9 VAG-COM Codes
- Loud Exhaust At Start-Up
- UK: Doors
- Doors
- Best New Exhaust For B9/B9.5 s4/s5
- Turbo Whistle Under Load, Squeal During Blow Off
- Speedometer Under reporting
- Is Camber Adjustable
- UK: Crankshaft Position and Camshaft Position Errors (S4) (Bank 1)
- New Stance SF12 and SF13 in 19" and 20" Sizes - Wheel Designers
- coolant flowing into crankcase
- Seatbelt reset/repair (2018 S4)
- Audi S4 with 171k miles?
- Torn Caliper Dust Boot - Rebuild or Replace?
- Resonator delete question
- Wastegate DC and Fuel Pump DC using VCDS
- E85 Fuel Tester at the Pump - Is it Really E85?
- iD Forged 17"- 20" Japanese Inspired 1pc Forged Wheels
- Random Picture of the day
- New Vertini RFS2.2 RFS2.3 RFS2.4 19" and 20" Sizes
- For Sale: Pure 750 Brand New in Box Free Shipping
- 2021 S4 Prestige Used?
- “Please reduce oil level” warning came on a week after oil change
- B&O System Hurts My Ears
- AC Code in 2018 S4
- Weird Issues Starting 2018 Audi S4
- New Wheels TPMS question
- CEL P24D600 and P24D800
- S5 seats in S4
- Christmas Holiday Sale
- Removing chip to make exhaust sound louder
- Life After Tune! - Stage 1 E85 Dyno Run - 034 Tune Review
- Crappy paint - Quantum Gray
- 2018 Audi S4 Slipping on Freeway
- Weird Noises Coming From 2018 S4 Body
- Auto Stop/Start Off on Start Device
- Drive System Fault - Contact Workshop
- Carbon fibre side skirts
- BLACK FRIDAY SALE / CYBER MONDAY ON NOW @ deAutoLED.com – bright error free LEDs
- BLACK FRIDAY SALE,, SuperSprint Italy
- Car turn off puting on Park
- Help with Drive System Malfunction
- Control Cabij temp from
- Forgedlite Wheels Black Friday Sale 11/6 to 11/27
- Aftermarket audio
- S4 B9 2023 auto braking for no reason
- Possible coolant leak?
- b9 3.0T Zero boost. P0299 / 34203
- Can I run E85 temporarily on my 034 stage 1 93 octane tune?
- Windshield Replacement
- Battery replacement question/s
- Engine oil temp in HUD
- Owner Search
- 2021 audi s4 B9.5 engine failure?
- Low Coolant Warning
- NEW 20" Brada Wheels - CX1 AND CX3 FORMTECH Series
- Front End Damage to my New B9