I don't know but that is a sweet ride
My brake job on my A4- rotors and pads- $473.
You should have a Brake Wear Sensor that will give you the light on your dash when it's time to change brake pads.
check your brake pads
Assuming that the brake pads were just changed and the sensor is still on, Perhaps the sensor wire was broken during installation causing the sensor to stay on. Happened on my 2001 a4.
Audi has a greedy touch by scaring audi owners that their brakes are bad... It's BS
How do I change the oil filter on an Audi A4 Diesel 2007
The brake light in the Audi A4 display means there is an issue with the brake system. The most common cause of this warning light is low brake fluid.
Id leave it in to a qualified mechanic - brakes are not to be messed with!
As of 2014, the cost for a Audi A4 brake light is between 12 and 15 dollars. This light can be purchased at stores like Auto Zone.
This site has step by step instructions (with photos), perhaps the A4 is similar. http://audidiy.blogspot.com/2010/04/how-to-replace-brake-light-bulb-on-audi.html
By going to the nearest service!
6 rupees