BMW 7 Series: Control Unit Box
REMOVING AND INSTALLING/REPLACING ELECTRONICS BOX
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).
NOTE: Follow instructions for removing and installing CONTROL UNITS !
Necessary preliminary work
- Read fault memory.
- Disconnect BATTERY EARTH LEAD.
- Remove DME CONTROL UNIT.
Release screws (1).
Tightening torque 12 90 1AZ.
Unclip coolant lines at clamp (2) from electronics box.
Feed electronics box (3) out upward and remove.
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Fig. 110: Identifying Electronics Box, Clamp And Screws
Installation note: When installing the electronics box, insert guide (1) on engine support.
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Fig. 111: Identifying Engine Support Guide
REMOVING AND INSTALLING/REPLACING ELECTRONICS BOX ADD-ON
IMPORTANT: Comply with NOTES ON PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD protection)!
NOTE: Follow instructions for removing and installing control units.
Necessary preliminary work
- Read fault memory.
- Disconnect BATTERY EARTH LEAD.
Remove right cowl panel cover.
Picture shows the left side, the procedure for the right side is identical.
Lever expander rivets (1) out of cover (2).
Installation note: If necessary, replace damaged expanding rivets.
Make sure holders (3) are correctly seated.
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Fig. 112: Identifying Rivets, Cover And Holders
Release screws (1).
Tightening torque 12 90 4AZ.
Release retainer (2).
Remove cover (3) from supplementary electronics box.
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Fig. 113: Identifying Supplementary Electronics Box Cover, Retainer And
Screws
Unclip grommet hold-down device (1).
Detach rubber grommets (2) from electronics box add-on.
Installation note: Make sure grommets are correctly seated (watertightness).
Release carrier plate (3) from lower section of supplementary electronics box (5) and set aside.
Release screw (4).
Tightening torque 12 90 2AZ.
Remove the lower section of the supplementary electronics box (5).
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Fig. 114: Identifying Grommet Hold-Down Device, Electronics Box Rubber
Grommets, Carrier Plate
And Supplementary Electronics Box
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Removing And Installing Electric Steering Box (EPS)
IMPORTANT: Steering box:
Check connection of steering box for corrosion, clean contacts if necessary.
The steering box must be replaced if the corrosion is too far advanced.
Connecting line:
In the event of moisture/corrosion inside the two plug connections, check the
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Indicator/warning lights
Concept
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display the status of some functions in the vehicle
and indicate when a malfunction is present in
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General information
The indicator/warning lights can light up in a variety
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Several of the
