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TECHNICIANS DIAGNOSTIC GUIDE INDEX BMW, AUDI, PORSCHE BMW ZF 5HP 18 DIAGNOSTIC INFORMATION FOUND IN 93 94 320i 3.0L V/8 93 95 530i 3.0L V/8 95 98 M3 3.0L/3.2L L6 730 3.0L V/8 F Z Y N MA R GE BH T M S E G W E N B I RIE E T D E A G M ZF This transmission is manufactured in Germany by ZF and carries the BMW designation A5S 310Z. The A5S 310Z ZF 5HP 18 is an electronically controlled, five speed automatic transmission with a lock up clutch type torque converter. Two planetary gear sets, one Ravingneaux gear set and one standard planetary gear set on the output side, four rotating multiple disc clutches, three multiple disc brake clutches, one brake band, and two sprag clutches Freewheels are used to provide the five forward speeds and reverse. Key to designation Automatic 5 Speed Transmission Overdrive Top Gear Maximum Torque Capacity Nm Manufacturer ZF A 5 S 310 Z 2003 ATSG Figure 49 AUTOMATIC TRANSMISSION SERVICE GROUP 59 TECHNICIANS DIAGNOSTIC GUIDE INDEX BMW, AUDI, PORSCHE Refer to Figure 50 for Clutch and Band Application Chart. Refer to Figure 51 for Manual Shift Lever Operation, Mode Switch Operation and location, and Failsafe Operation. Refer to Figure 52 for both MV Solenoid Operation and EDS Solenoid Operation and Tests. Refer to Figure 53 for Shift Solenoid Application chart and their locations. Notice that the MV 6 Solenoid is used only for Converter Clutch application and that it is identified by a White connector on the solenoid, where all the others are Black. Notice also that EDS 1 Solenoid is used for line pressure control. MV 4 and MV 5 Solenoids are used only for downshifts. Refer to Figure 54 for wiring harness identification, internal wiring schematic, and transmission case connector pin identification and functions. Refer to Figure 55 for identification and internal component resistance chart. Refer to Figure 56 and 57 for retr