When Rommel left Tunisia in March 1943 after the failed attack during the Battle of Medenine (Operation Capri), Bayerlein was appointed German liaison officer under the new commander, Italian Giovanni Messe.
Da Rommel forlod Tunesien i marts 1943, efter det fejlslagne angreb ved Medenine (Operation Capri), blev Bayerlein udpeget til tysk forbindelsesofficer til den nye leder, Giovanni Messe.