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Home >> BMW >> 2017 >> 530i >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Engine Electrical System - Repair (G30) (4 Of 5) >> 12 51 Engine Wiring Harness >> 12 51 245 Remove and install/replace transmission module engine wiring harness (M550i xDrive 2018-2019) >> Remove the transmission wiring harness

Remove the transmission wiring harness

NOTE: RISK OF DAMAGE 
Electrostatic discharge. 
Damage to or destruction of electrical components. 
  • Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
  • Read and comply with user information on using the associated special tool 12 7 060.
  • Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
  • Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
  • For additional information see: NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .
NOTE: RISK OF DAMAGE 
Malfunction or failure of the DME. 
Grounding points that are not screwed on may lead to malfunction or failure of the DME. 
  • Screw all screw points of the cable ducts on again. Some of the screw points are also grounding points.
NOTE: TECHNICAL INFORMATION 
Disconnecting control units may cause fault code entries and functional limitations. Fault code entries must be read out and deleted if necessary.

Preliminary work 

Transmission wiring harness 

G14240834Courtesy of BMW OF NORTH AMERICA, INC.
G14240835Courtesy of BMW OF NORTH AMERICA, INC.
G14240837Courtesy of BMW OF NORTH AMERICA, INC.