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  1. Audi A5/S5 Tech DIY
    Hi, my S5 (2008 CAUA engine) with 212k km / 132k mi started misfiring on cylinders 1-4 (whole right bank) every time when I hit 4,3 - 4,5k RPM. During this, the Check Engine light starts flashing and turns off as soon as I put the engine under load at low RPMs. VCDS's freeze frames suggest that...
  2. For Sale
    AWE Tuning Carbon intake for B9 S4 / S5 / RS 4 / RS 5 Installed for less than 3,000 miles $600 https://www.awe-tuning.com/awe-airgate-carbon-intake-audi-b9-s4-s5-rs4-rs5
  3. S5 General Q&A
    Good morning all! I have a cracked nipple on the back edge of the intake pipe between the air box and throttle body for the vacuum line, hearing this is a common problem with them being brittle. Does anybody know if this single nipple can be replaced or if its a whole pipe? Thank you!
  4. A5 Performance & Mods
    Just installed my CAI and i can now hear a faint whistle coming from the engine bay. The ECU has also made the car more responsive with less turbo lag. Only way to hear the whistle is by having windows down, but a soon as i hit the gas the engine sucks up air like a beast:thumbsup: Try...
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