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Home >> BMW >> 2003 >> 745i (E65) V8-4.4L (N62) >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Variable Valve Timing Control Module >> Service and Repair
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Variable Valve Timing Control Module: Service and Repair




11 37 700 - Replacing control unit (Valvetronic)





Switch off ignition.
Follow instructions for disconnecting and connecting battery. Instructions for Disconnecting and Connecting Battery
Disconnect battery.

Caution!
Follow instructions for removing and installing electronic control units Service and Repair.

Observe following instructions before replacing control unit:
Program control unit. Programming Control Unit (DME/DDE)





Remove right fresh air duct Removing and Installing/Replacing Left or Right Fresh-Air Duct (Automatic A/C High).
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 Note:
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.
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