Just wondering if anyone has had the same problem as me with their interior fan in their pre-facelift S3? When I start the car, the interior fans are on 'Auto', and usually this is the same as the settings that I stopped the car with. I mostly run without the A/C on, so it fires up with A/C off, and recirculation off. When it is in this setting, the interior fan buzzes intermittently.
When I put the recirculation on, the buzzing stops, so this must be something to do with this circuit. Has anyone got a manual/guide to get to the interior fan? I guess it's behind the climate control panel, but the sound is further towards the passenger footwell side.
Hope to hear from anyone soon!