Battlefield 1.5 patchen til klient-versionen er nu blevet udgivet. Den findes i to versioner - en opdatering på 45mb (denne virker KUN hvis du allerede har installeret version 1.45 af Battlefield), denne kan findes her. Derudover er der en anden version på 143mb, der opdaterer fra alle tidligere versioner af Battlefield. Denne kan hentes her.
Ændringerne i denne patch er som følger:
================================================== Battlefield 1942(tm) v1.5 Read Me File October 12, 2003 ==================================================
================================================== Patch 1.5 ================================================== CLIENT FIXES -No more swapping CD's. Any installed Battlefield 1942 expansion pack or community mod can be played using any Battlefield CD. -Fixed an issue that would cause severe lag when going from a vehicle ladder directly into a vehicle position. This was especially prevalent with the MG positions on Destroyers. -Fixed Omaha Beach ammobox-bunker exploit.
NEW FEATURES -New map - Invasion of the Philippines, complete with all new Patrol Boats. -A new US Marines skin replaces the USA army skin in the Pacific theatre. -US Marines Engineer is equipped with the M1 Garand. -Japanese Engineer has been retrofitted with the Type 5 semi-automatic rifle. -Kubelwagen replaced with the Black Medal Scout Car for the Japanese forces. -Hanomag replaced with the Ho Ha APC for the Japanese forces.