11 37 700 Replacing Control Unit (Valvetronic)

WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2010 BMW X5, 2010 BMW 650i, 2009 BMW X5, 2009 BMW 650i, and 2008 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

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:

PROGRAM 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

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Installation:

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

Fig 2: Identifying Tabs And Cover

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

Remove Valvetronic control unit (1).

Fig 3: Identifying Valvetronic Control Unit

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NOTE:

Interrogate fault memory of DME control unit.

Check stored fault messages.

Rectify faults.

Then clear fault memory.