Manual Boost Controller | Audi-Sport Apr 19, 2018Staff Member Moderator Audi S3. 23,637 5,175 113. I have a manual boost controller from my old car I was going to try and use to get the boost closer to the requested amount. Because the car is tuned for 22psi I figure this would be a one-off situation a MBC might actually work with our cars.S3 Manual - Launch Control | Audi-SportFeb 26, 2016replacing n75 with mbc 1 agu | Audi-SportAug 20, 2012Boost controller yes or no?? | Audi-SportOct 11, 2010electronic boost controller on remapped s3 | Audi-SportMar 15, 2010See more results Audi S3 Boost Controllers at Andy's Auto Sport We go out of our way to carry every major line of Audi S3 boost controllers, so that whether you are looking for a Audi S3 manual boost controller or a electronic boost controller or anything in between, we've got it for you. Andy's Auto Sport is the ultimate shopping destination for your Audi S3 boost controller needs!