1988 Porsche 930 Turbo "Slant Nose" Cabriolet 2 Owner, California Car Major Service Completed 1 of 591 "M505" Slant Nose Cabriolets Built In 1988 2 owner 1988 Porsche 930 Turbo Cabriolet with factory rare "M505" Slantnose option with 68,776 original miles. This California car is beautiful inside and out. The factory Marine Blue Metallic shines and is in great condition along with the tan leather interior. The car has just completed a major service including a complete ...engine reseal. Very few Slant Nose Turbos were produced in 1988 and even fewer Cabriolet models making this particular vehicle a very special find. Comes with tool kit, books, records, air compressor, Porsche Front End Bra and Tonneau cover.