TEST CODE/CONTROL UNIT IDENTIFICATION Function

WARNING: This page is about a different car, the 1995 BMW 530iT and 1995 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

After selecting a control unit through BMW diagnostic software, an identification page appears. Printout of this page is followed by a test code on printer. This test code contains information which can be used to determine whether correct control unit is installed without having to remove control unit from vehicle. Control unit identification output consists of the following.

DME Version
Model Designation/Engine Type
Oxygen Sensor Control (With/Without)
Transmission Type

AG - Automatic Transmission (Hydraulic)

EH - Automatic Transmission (Electronically Controlled)

HG - Manual Transmission

Fuel Requirement (Regular, Unleaded, etc.)
Destination Country (USA)
DME/Motronic Control Unit Code
BMW Hardware/Software Part Number
Bosch Hardware/Software Part Number
Production Code (If Any).