[Nimbus117]

Porsche released the list of affected VIN's so check against this also:

6. Which Porsche vehicles are included?
The following Porsche Boxster and 911 vehicles that experienced or will experience IMS related engine damage are included:
• Model year 2001 - 2005 Porsche Boxster vehicles manufactured with an IMS between May 4, 2001 and February 21, 2005 with VINs in the following ranges:
o WP0CA29851S620508 - WP0CA29831S620619
o WP0CB29811S660405 - WP0CB29801S660492
o WP0CA29821U625959 - WP0CA29891U627644
o WP0CB29861U664289 - WP0CB29841U665473
o WP0CA29892S620061 - WP0CA29802S620238
o WP0CA29832U620061 - WP0CA29892U626107
o WP0CB29802U660062 - WP0CB29892U664319
o WP0CB29862S660062 - WP0CB29852S660344
o WP0ZZZ98Z2U602762
o WP0ZZZ98Z2U640813
o WP0CA298X3S620068 - WP0CA29853S620222
o WP0CA29813U620061 - WP0CA298X3U625002
o WP0CB29803U660063 - WP0CB29803U663240
o WP0CB29853S660068 - WP0CB298X3S660227
o WP0ZZZ98Z3U604185
o WP0ZZZ98Z3U640971
o WP0CA29854S620061 - WP0CA29824S621085
o WP0CA298X4U620061 - WP0CA29854U621568
o WP0CB29804S660061 - WP0CB29834S660555
o WP0CB29854U660061 - WP0CB29834U661824
o WP0CA298X5U710067 - WP0CA29815U711852
o WP0CB29885U730069 - WP0CB29835U731310