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  1. S5 Performance & Mods
    Hello, I’m reading up about the ECU/TCU upgrades. I live in CA so wondering how to swap back for smog check? Is this a reflash back and forth anytime we need to smog? Do any kits offer something quicker than a reflash such as a switch? b8.5 S5
  2. A5 Performance & Mods
    Hi All Hope someone might be able to help? I have a 2011 Audi A5 1.8TFSI. Had the Parking Brake Malfunction message on the dash. Then a stabilisation message. The car will not start at all. I have had a mechanic out and he said that the diagnostics were saying that there was no connection to...
  3. 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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