11 37 700 Replacing Control Unit (VALVETRONIC)
WARNING: This page is about a different variant/trim than selected.
Switch off ignition.
Disconnect battery leads. See 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
CAUTION:
Follow instructions for removing and installing electronic control units
. See 12 00 ... INSTRUCTIONS FOR REMOVING AND INSTALLING ELECTRONIC CONTROL UNITS
.
Observe following instructions before replacing control unit:
Program control unit . See 12 14 705 PROGRAMMING CONTROL UNIT (DME / DDE) .
Remove right fresh air duct . See 64 31 053 REMOVING AND INSTALLING OR REPLACING 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.
Installation:
Insert tabs (1) in openings (2) and close cover.
Unlock and detach plug connections on Valvetronic control unit (1).
Remove Valvetronic control unit (1).
NOTE:
Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults.
Then clear fault memory.