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Home >> BMW >> 2021 >> 230i 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System -- Repair (F22 & F23) >> 12 51 Engine Wiring Harness >> 12 51 245 Removing and installing/replacing transmission module engine wiring (M240i and M240i xDrive coupe/convertible) >> Remove the wiring harness section for the transmission

Remove the wiring harness section for the transmission

Precondition 

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: 61 35... 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 
If control units are disconnected, fault memory entries and functional limitations may occur.
The fault memory entries must be read out and, if necessary, deleted.

Preliminary work 

G12729293Courtesy of BMW OF NORTH AMERICA, INC.
G12729294Courtesy of BMW OF NORTH AMERICA, INC.
G12729295Courtesy of BMW OF NORTH AMERICA, INC.
G12729296Courtesy of BMW OF NORTH AMERICA, INC.