11 37 700 Replacing control unit (Valvetronic)

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. 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. See 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY

Disconnect battery.

CAUTION: Follow instructions for REMOVING AND INSTALLING CONTROL UNITS .

Observe following instructions before replacing control unit:

Program control unit 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: Identifying Holder, Cover And Seal

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Installation:

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

Fig 2: Inserting Tabs In Openings

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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.