Change of major - Berkeley Engineering does not make that entirely obvious. However, engineering undeclared students are a special case, with free choice of single majors within the CoE: Undeclared - Berkeley Engineering
Assuming you did translate semester system at UCB and UCM (120 semester units to graduate) and quarter system at other UCs (180 quarter units to graduate) based on 1 semester unit = 1.5 quarter unit, right?
UCB CoE AP credit policy is listed at Exams - Berkeley Engineering .