Installing the electrical machine electronics (EME)

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• Do not place anything on the lid (1).

Repair information relating to high-voltage components

• Position the special tool 5 A2D AF0  on the electrical machine electronics (EME) (2) as shown and attach it with the knurled screw (1).

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• Position the special tool 5 A2D AF2  on the electrical machine electronics (EME) (2) as shown and attach it with the knurled screw (1).

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Cleaning the high-voltage connections o the new electrical machine electronics (EME) 

• Provide a soft, clean underlay.

  Dimensions: approx. 50x50 cm

• Take the new electrical machine electronics (1) out of the packaging and carefully place it face down on the underlay.
• Check both high-voltage connections (2) as described in the next step.

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• Do not touch the high-voltage connections.
• Check the equipment specification of the high-voltage connections:
• Type (1): Tin connections - Cleaning not required.
• Type (2): Copper connections - Clean the high-voltage connections using non-woven abrasive until the condition as displayed in illustration (2) is achieved.

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Non-woven abrasives  3M-07904

45176141 (BASF)

• Clean the sealing surfaces (1) and (2).

Brake cleaner 2.0	500 ml, Spray can	83192365214
	20, Canister	83192365215

• Dry the sealing surfaces (1) and (2) with a clean, lint-free cleaning cloth.

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• Install seals (1).

  Parts:  Seal

• Install the seal (2).

  Parts:  Seal

• Position the electrical machine electronics (EME) (1) in the electrical machine.
• Remove special tools 5 A2D AF2  and 5 A2D AF0  .

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• Tighten the screws (1).

Electrical machine electronics to housing
M6 Replace screw.	Tightening Torque	8 Nm
	Angle of rotation	90°

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• Do not touch conductor lines!
• Attach the excitation cables (5) with the nuts (1) to the poles.

Excitation cable to electrical machine electronics
M5	3.9 Nm

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• Attach the Y line (6) with the screw (2).

Y-line to electrical machine electronics
M5 Replace screw.	4.5 Nm

• Tighten the screws (3).

Electrical machine electronics busbar to aggregate connection
M5 Replace screw.	4.5 Nm

• Connect connectors (4) and lock.
• Tighten the screws (1).

EME busbar at high-voltage connection
M5 Replace screw.	4.5 Nm

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Installing the lid of the high-voltage connection 

• Clean sealing surface (1).

Brake cleaner 2.0	500 ml, Spray can	83192365214
	20, Canister	83192365215

Courtesy of BMW OF NORTH AMERICA, INC.

• Dry the sealing surface (1) with a clean, lint-free cleaning cloth.
• Replace lid (2).

  Parts:  lid

• Install the lid (2).
• Tighten the screws (1).

Lid of high-voltage connection to housing
M5	Tightening Torque	6 Nm

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• Connect connectors (2) and lock.
• Close the retainer (1) in arrow direction.

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Follow-up work 

• Refer to CLEANING SEALING SURFACES .
• Refer to INSTALLING THE LID OF ELECTRICAL MACHINE ELECTRONICS .
• Refer to CHECKING THE TIGHTNESS OF THE COOLANT CIRCUIT OF THE ELECTRIC DRIVE UNIT .
• Refer to INSTALLING THE COOLANT LINES .
• Refer to PROGRAMMING THE ELECTRICAL MACHINE ELECTRONICS, CARRY OUT FUNCTIONAL CHECKING BEFORE REINSTALLATION .
• Refer to REMOVING THE PRESSURE COMPENSATION ELEMENT FROM EME LID .
• Refer to REMOVING THE PRESSURE COMPENSATION ELEMENT FROM THE LID OF THE BRUSH COMPARTMENT .
• Refer to PERFORMING EOS TEST .
• Refer to STICKING THE PRESSURE COMPENSATION ELEMENT ON THE LID OF THE BRUSH COMPARTMENT .
• Refer to STICKING THE PRESSURE COMPENSATION ELEMENT ON THE EME LID .
• Refer to REMOVING THE ELECTRICAL DRIVE UNIT FROM THE ASSEMBLY JIG .
• Refer to INSTALLING REAR SOUND INSULATION .
• Refer to INSTALLING THE ELECTRIC DRIVE UNIT IN THE REAR AXLE SUPPORT .
• Refer to INSTALLING THE TOP SOUND INSULATION .
• Refer to INSTALLING THE WIRING HARNESS MOUNTING .
• Refer to INSTALLING THE RIGHT POTENTIAL EQUALIZATION LINE .
• Refer to REMOVING THE MOBILE LIFTING TABLE .
• Refer to INSTALLING COVERS AT FRONT BOTTOM ON LEFT AN RIGHT SIDES .
• Refer to FASTENING THE RIGHT AND LEFT OUTPUT SHAFTS ONTO THE WHEEL BEARING .
• Refer to INSTALLING REAR WHEEL ON THE LEFT AND RIGHT .
• Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING THE FLAP IN THE LUGGAGE COMPARTMENT WHEEL ARCH TRIM PANEL ON THE RIGHT .
• Refer to MEASURING THE RIDE HEIGHT OF THE REAR AXLE AND SETTING THE NORMAL POSITION .
• Refer to PERFORMING CHASSIS ALIGNMENT CHECK .
• Refer to DELETING FAULT MEMORY .
• Refer to CALIBRATING AND TEACHING IN THE ROTOR POSITION SENSOR .