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Home >> BMW >> 2021 >> 430i 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System -- Repair (G22, G23 & G26) (1 Of 2) >> 12 36 Electric Powertrain Control Unit, Brush Module, Radial Shaft Seal >> 12 37 703 Replace excitation cable front (Drive unit removed) (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan) >> Installing the excitation cable

Installing the excitation cable

TIGHTENING TORQUE SPECIFICATION

Double threaded bolt to housing
M5
Replace nut.
4.5 Nm
G15544891Courtesy of BMW OF NORTH AMERICA, INC.
G15544890Courtesy of BMW OF NORTH AMERICA, INC.

Installing the busbar 

TIGHTENING TORQUE SPECIFICATION

Busbar to housing
M5
Replace screw.
4.5 Nm
G15544889Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATION

Busbar to housing
M5
Replace screw.
4.5 Nm
TIGHTENING TORQUE SPECIFICATION

Shield plate to housing
M5
Replace screw.
4.5 Nm
G15544888Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATION

Clamp of excitation cable to housing
M5
Replace screw.
4 Nm
G15544894Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATION

Excitation cable to brush module
M5 4 Nm

Installing the lid of the brush module 

Precondition 

Correct lid provided (see "REMOVING THE LID FROM THE BRUSH MODULE  ")

NOTE: RISK OF DAMAGE 
Contaminant or foreign body. 
Contamination can result in malfunctions, loss of function or leaks. 
  • Adhere to the utmost cleanliness.
  • Protect components from contamination e.g. by covering.
  • Close off line connections with seal plugs.
NOTE: RISK OF DAMAGE 
Damage to the surface. 
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage. 
  • Do not use any metal-cutting tools.
NOTE: TECHNICAL INFORMATION 
The sealing surfaces must be free of oil, grease and cleaning agents.
G15544901Courtesy of BMW OF NORTH AMERICA, INC.
CONSUMABLE SPECIFICATION

Brake cleaner 2.0  500 ml, Spray can 83192365214
20, Canister 83192365215
NOTE: TECHNICAL INFORMATION 
The sealing surfaces must be free of oil, grease and cleaning agents.
G15544902Courtesy of BMW OF NORTH AMERICA, INC.
CONSUMABLE SPECIFICATION

Brake cleaner 2.0  500 ml, Spray can 83192365214
20, Canister 83192365215
G12700801Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
For additional information see: 11 00... OVERVIEW OF CONSUMABLES IN APPLICABLE BMW PARTS CATALOGUE .
G12700802Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
The processing time of the liquid sealing compound can be at a maximum of 10 min.
Commissioning of the assembly is not possible until 25 minutes after the processing time.
Non-observance can lead to leaks in the assembly.
G15544905Courtesy of BMW OF NORTH AMERICA, INC.
SEALING COMPOUND SPECIFICATION

Loctite 5970 liquid sealing compound Processing time < 10 minutes at room temperature  50 ml, Cartridge 83190404517
TIGHTENING TORQUE SPECIFICATION

Brush module lid to housing
M6 8 Nm
60°
G15544892Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work