Here are some mods that you can do to your A4 B8 that will breathe new life into it without breaking the bank.
034Motorsport B8 Audi A4/A5 & Q5 2.0 TFSI (EA888 Gen 2) Performance Software
Best Upgrades For Your Audi B7 A4 – ECS Tuning
5 Best Cheap Performance Mods for an Audi A4 B8
Best Audi's To Modify
$10,000 Mod List for my Audi A4 (B8.5)
The Audi A4: History, Generations, Specifications
The Affordable Mods That You NEED For Your Audi!
5 Best Mods for B8/B8.5 Audi A4 – A Beginner's Guide – ModBargains.com's Blog
Best Upgrades for Audi B8 and B8.5 S4 - European Auto Repair in Salt Lake City, , (801) 566-6115European Auto Repair in Salt Lake City
Audi S4 Must-Have Mods (B8 & B8.5 3.0T)
Best Mods and Maintenance for your Audi B7 A4 2.0T – ECS Tuning
Why used audi are so cheap in the market? : r/Audi
Audi S4 Must-Have Mods (B8 & B8.5 3.0T)
Integrated Engineering is your source for Audi B8 S4 & S5 2.0T Cold Air Intake. Our easy to install and high-quality cold air intake kits add
IE Audi 2.0T TSI Cold Air Intake | Fits B8/B8.5 A4 & A5