Cart Continue shopping “Porsche Panamera 4S 2.9T ECU Software Upgrade” has been added to your cart.Remove itemThumbnail imageProductPriceQuantitySubtotal × Porsche Panamera 4S 2.9T ECU Software Upgrade $2,353.99 Porsche Panamera 4S 2.9T ECU Software Upgrade quantity $2,353.99 (incl. tax) Coupon: Apply coupon Update cart Cart totalsSubtotal$2,353.99 (incl. tax)Service / Financing / Processing$100.75Total$2,454.74 (includes $160.59 Tax)- Proceed to checkout