Fig. 1: BMW Transmission Identification Code (1 Of 2) Courtesy of BMW OF NORTH AMERICA, INC. 2003 BMW X5 44i 1997-2005 AUTOMATIC TRANSMISSIONS Servicing - A5S 325Z & A5S 360R/390R
Fig. 2: BMW Transmission Identification Code (2 Of 2) Courtesy of BMW OF NORTH AMERICA, INC. Fig. 3: BMW Transmission Specification Plate 2003 BMW X5 44i 1997-2005 AUTOMATIC TRANSMISSIONS Servicing - A5S 325Z & A5S 360R/390R
Courtesy of BMW OF NORTH AMERICA, INC. Fig. 4: BMW GM Transmission & Oil Application Chart (2000 - 02) Courtesy of BMW OF NORTH AMERICA, INC. 2003 BMW X5 44i 1997-2005 AUTOMATIC TRANSMISSIONS Servicing - A5S 325Z & A5S 360R/390R
Fig. 5: BMW ZF Transmission & Oil Application Chart (2000 - 02) Courtesy of BMW OF NORTH AMERICA, INC. LUBRICATION SERVICE INTERVALS Transmission fluid replacement is not necessary, except for some newer model vehicles with Condition Based Service. See AUTOMATIC TRANSMISSION overview article. CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (A5S 325Z) NOTE: Transmission is sealed at factory for life of transmission. If any leaks are found, factory recommends replacing transmission assembly. CAUTION: It is absolutely essential to use the approved automatic transmission fluid in this automatic transmission. Failure to comply with this requirement will result in serious damage to the automatic transmission. See RECOMMENDED FLUID . NOTE: Before releasing filler plug (1), make sure temperature of automatic transmission fluid is at least 30 °C. 2003 BMW X5 44i 1997-2005 AUTOMATIC TRANSMISSIONS Servicing - A5S 325Z & A5S 360R/390R