12 51 100 Replacing wiring harness section for ignition coil (N62)
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Switch off ignition.
Installation:
Make sure seal of wiring harness section for ignition coils is correctly installed in electronics box.
REPLACING IGNITION COIL WIRING HARNESS WORK STEPS
| Work step | Note: |
|---|---|
| Remove acoustic cover | |
| Remove ignition coil cover. | This work step is described in the section "Replacing ignition coil". Refer to 12 13 511 Replacing ignition coil (N62) . |
| Remove center of assembly compartment bulkhead. Refer to 51 71 085 REMOVING AND INSTALLING CENTER OF ASSEMBLY COMPARTMENT BULKHEAD . | |
| Remove electronics box cover. Refer to 12 14 550 Replacing control unit (Digital Motor Electronics) (N62) . | |
| Detach grounding cable from cylinder head cover. | |
| Unclip cable duct. | |
| Unlock plug connections on ignition coils and disconnect. | Do not remove ignition coils This work step is described in the section "Replacing ignition coil". Refer to 12 13 511 Replacing ignition coil (N62) . |
| Unlock and detach plug connections on DME control unit. | Disconnect only plug connections of wiring harness section for ignition coils |
| Detach grounding cable from spring strut dome. | |
| Unclip and remove wiring harness. |
NOTE:
Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults.
Now clear the fault memory.
Check stored fault messages.
Rectify faults.
Now clear the fault memory.