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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Checking Fuel Tank And Tank Ventilation System For Leaks
Notes
NOTE: The following procedure is only applicable to vehicles without the
tank leak
diagnosis module.
Necessary preliminary work
Remove rear right wheel arch trim.
Comply with the following conditions in order to obtain plausible test
results:
Content of fuel tank:
Maximum 90 %
Minim
Mounting
SUBSEQUENT INSTALLATION OF WHEEL-BOLT LOCK
Loosen wheel bolts.
Raise car so that wheel can be turned freely.
Release wheel studs to such an extent that the wheel can move freely on the
wheel hub.
Turn wheel so that valve is face down.
Remove top wheel stud and insert wheel stud lock.
Fig. 72:
