11 37 700 Replacing Control Unit (Valvetronic)

Switch off ignition.

Follow instructions for disconnecting and connecting battery.

Disconnect battery.

CAUTION:

Follow instructions for removing and installing electronic control units. See INSTRUCTIONS FOR REMOVING AND INSTALLING ELECTRONIC CONTROL UNITS .

Observe following instructions before replacing control unit:

Remove right fresh air duct.

Release screw and remove holder (1).

Release screws and remove cover (2) from control unit box.

NOTE:

Release screws on seal (3) only when removing wiring harness.

Fig 1: Locating Holder And Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Insert tabs (1) in openings (2) and close cover.

Fig 2: Identifying Tabs And Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach plug connections on Valvetronic control unit (1).

Remove Valvetronic control unit (1).

Fig 3: Identifying Valvetronic Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Interrogate fault memory of DME control unit.

Check stored fault messages.

Rectify faults.

Then clear fault memory.