Transmission Identification
BMW uses three different transmission suppliers.
- Zahnradfabrik Friedrichshafen: A German supplier of BMW transmissions. Commonly referred to as ZF. ZF manufactures both manual and automatic transmissions.
- Getrag: A German supplier of BMW manual transmissions.
- Hydramatic: A French supplier of BMW automatic transmissions. Hydramatic is a manufacturing division of General Motors Powertrain.
The BMW identification code system is the method used for parts ordering, information research and identification within BMW technical organization.
The breakdown of the BMW transmission identification code is as follows:
Each manufacturer has it's own internal identification for its products. For example: the A5S 360R is the GM 5L40E, and the A5S 325Z is the ZF 5HP 19.