At October 2009 prices range between £170 £190 from Audi dealers.
There does not seem to be a cheap way around this!!
You can refer to the user manual if you want to reprogramme Audi A4 key.
get spare key
How much does it cost for a new starter on a 2000 audi a4 1.8t not quattro?
There is no such thing called a TONGUE converter
Auto glass comes in different qualities and with special features. The best way to check for the cost of replacement is through Google. Then you can pick the options you need. The price I got online for my location was $350 for the Audi a4 car window.
The 2010 Audi A4's engine produces 258 ft-lbs. @ 1500 rpm.
The 2009 Audi A4's engine produces 258 ft-lbs. @ 1500 rpm.
The 2001 Audi A4's engine produces 166 ft-lbs. @ 1950 rpm.
The 2005 Audi A4's engine produces 166 ft-lbs. @ 1950 rpm.
The 2011 Audi A4's engine produces 258 ft-lbs. @ 1500 rpm.
The 2006 Audi A4's engine produces 207 ft-lbs. @ 1800 rpm.
The 2002 Audi A4's engine produces 166 ft-lbs. @ 1950 rpm.