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Home >> Mini >> 2017 >> Cooper Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Electrical >> Charging Systems >> Engine Electrical System - Repair (F57) >> 12 51 Engine Wiring Harness >> Replacing wiring harness section for injectors and ignition coils (B38) (Cooper Convertible)

Replacing wiring harness section for injectors and ignition coils (B38) (Cooper Convertible)

IMPORTANT: Read and comply with NOTES on protection against electrostatic damage (ESD protection).

Preliminary work needed: 

Removal: 

Partially detach seal (1).

Open locks by counterclockwise turn.

Release screws (2) and remove battery cover (3).

G11645571Courtesy of BMW OF NORTH AMERICA, INC.

Unclip and remove cover (1).

G11645526Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect all connectors (1) on control unit.

G11645527Courtesy of BMW OF NORTH AMERICA, INC.

Remove sound insulation from high pressure pump.

G11645513Courtesy of BMW OF NORTH AMERICA, INC.
G11671916Courtesy of BMW OF NORTH AMERICA, INC.

Overview of wiring harness section for injector and ignition coil 

Unlock and disconnect following connectors and lines Note
Unlock and disconnect connector from DME control unit  
Release connector from ignition coils and unplug  
Release and detach connector from injectors  

Release wiring harness from clips and guard controls.

Feed out wiring harness and remove.

Installation: 

Route and install wiring harness.

All connectors must audibly engage.

Connect all connectors (1) to control unit.

All connectors (1) must engage audibly.

Installation note: 

Connect connectors from front to rear.

G11645527Courtesy of BMW OF NORTH AMERICA, INC.

Install cover (1).

G11645526Courtesy of BMW OF NORTH AMERICA, INC.

Join battery cover (3) and tighten screws (2).

Tightening torque 61 21 6AZ .

Turn locks up to stop against arrow direction.

Join gasket (1) and press down firmly.

G11645571Courtesy of BMW OF NORTH AMERICA, INC.

Install sound insulation for high pressure pump.

G11645513Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: