Place Ad Comfort seat for F700GS, F800GS, F650GS Click to enlarge image. Contact Information Contact RPivonka Phone: 4405438704 Price: $ 320 More Information BMW Comfort Seat PN 52538546377 (new substitute for PN 77347724099), REDUCED TO $320 (price new $640) Fits MANY bikes F700GS (K70) Jun-'11 to Dec '17 F800GS (K72) Oct-'06 to Jan-'18 (not GS A ) F650GS (K72) Oct-'06 to Jan-'18