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Ground, Power & Input/Output Circuits

WARNING: This page does not describe the selected car, but rather 34 other vehicles, including the 2001 BMW Z8, 2001 BMW Z3, 2001 BMW X5, 2001 BMW M5, and 2001 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Testing information is not available from manufacturer. See WIRING DIAGRAMS article to identify DME/Motronic control unit ground circuits, power circuits and input/output circuits. See Fig 1-Fig 4 . See DME PCM CONTROL UNIT LOCATION table.

Fig 1: Identifying PCM 88-Pin Connector (E36/7)

G98J11311

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Identifying PCM 9-Pin Connector

G99I05493

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 3: Identifying PCM 24-Pin Connector

G99A05494

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 4: Identifying PCM 40-Pin Connector

G99F05496

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 5: Identifying PCM 52-Pin Connector

G99D05495

Courtesy of BMW OF NORTH AMERICA, INC.

DME PCM CONTROL UNIT LOCATION

Application

Location

3-Series

E46

Inside Box On Left Rear Corner Of Engine Compartment

Z3

In Right Rear Side Of Engine Compartment

All Others ⁽¹⁾

Inside Box On Right Rear Corner Of Engine Compartment, Behind Strut Tower

⁽¹⁾	V12 engine utilizes 2 PCM units.