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Hello Steve, Check the brake flexible hoses for ballooning when an assistant presses hard on the pedal. Inspect carefully for any slight increase in diameter. Worth checking the simple things first! Kind regards, Gareth.

Hello, Yes they can be folded manually. I just test drove (and bought) a 2015 A7, which does not have have electric folding mirrors. I asked the sales guy if they did fold manually - he wasn't sure but tried to do so and successfully showed me that they can...they kind of roll up and back rather than just at a straight angle (hope this makes sense). Looking forward to collecting it next week, its a white -Black Edition, S-Line 272 HP with 21" wheels. Hope this helps N

Im no expert but on idle pump the pedal and step on the brake hard. If the pedal went soft, I would suspect a leak in the system. If they pedal didn't go soft after pumping, it might be a bad master cylinder or brake booster

Jack up the car, turn the wheel to check if it is both or one of them . This will rule out a stone or screw in the tires if its still there. Also u might find the point of the click with should help indentify what is it

Yeah my last 2 roles nearly drove me to leaving the industry with all the hours but in a 40 hour/5day week with every Sunday off now so have it pretty good at the moment lol

Thanks for the response Trevor. I've bitten the bullet with my mechanic and am going to replace the o2 lamda sensors initially. He reckons it's more than likely issue with the converter; and that fuel treatment unlikely to solve the issue (although he would say that wouldn't he). But doing the sensors would be a must-do when doing the convertor anyway. My fuel consumption also seems higher than it should be for motorway driving, so that would probably point to at least a sensor issue. Got some longish journeys coming up - so just want a 'sorted' car. One of those things when you can't really look for when you buy a used car privately.