The m90_pack.zip file you have requested: Skins / Skin Packs / M-90 Skin Pack (1.0) - 8.23mb is not available. Perhaps try browsing all files for the game Call of Duty 4: Modern Warfare and upload any files you want to share or are missing. This is the only information we could locate:
PBV3022s M-90 Battlepack== INSTALATION =====================Place colour the .iwd file of the colour you desire in "C:Program FilesActivisionCall of Duty 4 - Modern Warfaremain"====================================This can be used Contains 4 different skins with the Swedish M-90 camouflage. Skin pack includes an Abrams tank, Force Reacon, SAS (Not on Cargoship level though) and Deltas.