Cart Continue shopping “Audi B9 S4 / S5 / SQ5 3.0T ECU Software Upgrade” has been added to your cart.Remove itemThumbnail imageProductPriceQuantitySubtotal × Audi B9 S4 / S5 / SQ5 3.0T ECU Software Upgrade $1,283.99 Audi B9 S4 / S5 / SQ5 3.0T ECU Software Upgrade quantity $1,283.99 (incl. tax) Coupon: Apply coupon Update cart Cart totalsSubtotal$1,283.99 (incl. tax)Service / Financing / Processing$54.96Total$1,338.95 (includes $87.60 Tax)- Proceed to checkout