Audi S4 B9 platform - 3.0 V6 single turbo
As our good friends at SA Tuning have just cracked the software for this platform we collectively thought it would be a good idea to make the turbo bigger.
Although internally these turbos are Borg Warner B03 platform, they have slightly changed the design to the thrust system so repair kits are currently not available. Left us with only one choice, Ball Bearing upgrade...…….
Our stage 1 made a very easy 519bhp on the rollers at SA Tuning, our stage 2 will be on the way down there in the coming weeks to get tested, hopefully 550bhp will be the figure, watch this space.