Operation CHARM: Car repair manuals for everyone.

Wiring Harness Repairs,Using Special Tools



Caution!
Always find cause of damage (e.g. sharp-edged body parts, faulty equipment, seized mechanisms, corrosion from penetrated water, etc.) before repairing a wiring harness.

Read fault memory.
Eliminate cause of damage.
Disconnect battery negative terminal.

Caution!
Only repair a wiring harness if according to schematics no safety- relevant systems (e.g. ABS, active rear-axle kinematics, airbag, etc.) are influenced. Otherwise replace faulty wiring harness or use repair cables.

SI = 34 02 89 (029)
SI = 34 02 92 (553)

After a repair on the wiring harness, perform function check and interrogate fault memory once again. Eliminate new faults if applicable and clear fault memories.

Instructions are supplied with special tool 61 9 020. Information for ordering parts and a list of parts also form part of these instructions.





Repair ranges I,II,III for vehicle electrical system
I Order No.: 81 24 9 408 080
II Order No.: 81 24 9 408 300
III order No.: 81 24 9 408 400

These repair ranges are available from BMW Parts Service. They are primarily required for repairs on models of E 12, E 21, E 23, E 24, E 28, E 30 Series.





Repair range IV for vehicle electrical circuit
IV Order No.: 61 9 020
This repair range and As components are sold by CARTOOL.

Working instructions for repair range IV, refer to:
Cut cable to length and strip off insulation
Crimping on stops
Wiring harness repair using crimp connectors
Installing fan connector for retrofit equipment