Manual Transmissions GS637BZ / GS653BZ

Manual Gearboxes
The following 6speed manual gearboxes are used in the E60:
^ GS637BZ for the 525i, 530i
^ GS653BZ for the 545i
For additional detailed information on the 6speed manual gearbox (including Workshop Hints), refer to the ST045 (E85) Z4 Complete Vehicle Technical Training Handout.