Audi A4 (B8) Powertrain Guides
Learn how to upgrade and maintain your A4 (B8)'s engine and drivetrain with our articles here. Solve the mystery of your A4 (B8)'s engine problems with our diagnostic articles. Fix the broken powertain components in your A4 (B8) with our repair how to articles. Educate yourself on how your car gets its power to the wheels below.