You will need wkd 480 520 and wkd 481 021 to complete the set. The best manuals you can purchase for your Porsche, these concise books show everything to make repairs simple and accurate with easy to follow German logic! They may seem expensive, but if it saves you one repair trip to the Porsche dealer, they have paid for themselves! Note: turbo manuals are supplements to be added to the complete sets.