humming

Hi all, I’m new here! So, I have a 2007 Audi A4 B7 2.0Tdi Avante. I have recently decided to upgrade my head unit to something more modern so bought an Xtrons head unit. Plug & play... I wired it in, it all works as it should, apart from a very annoying humming noise which gets worse when...

When my car is under load there is a weird noise coming from the front drivers side. Its not a wheel bearing because they have just been replaced and if i knock it in to N the noise disappears. Garage isn’t 100% on what it is either. Anyone have any idea?

Hi all, It's been a 6 month costly roller-coaster of ownership so far, 2004 B6 S4, and this latest issue has me (and the garage) at a loss. I'm now pitching the heart against the mind to decide how much longer to really keep going before calling it a day and retiring her. A recent...