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	500 ml, Spray can	83 19 5A260A6
	20 l, Canister	83192365215

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• Dry the sealing surfaces (1)  and (2)  with a clean, lint-free cleaning cloth.
• 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	Tightening torque	3.9 Nm

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

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

• Tighten the screws (3)  .

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

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

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

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Installing the lid of the high-voltage connection 

• Clean sealing surface (1)  .

Brake cleaner	500 ml, Spray can	83 19 5A260A6
	20 l, 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 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 PERFORM 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 POTENTIAL EQUALIZATION LINE .
• Refer to INSTALLING THE WIRING HARNESS MOUNTING .
• Refer to INSTALLING THE TOP SOUND INSULATION .
• Refer to INSTALLING THE REAR AXLE SUPPORT .
• Refer to REMOVING THE MOBILE LIFTING TABLE .
• Refer to ATTACHING THE CAMBER CONTROL ARM, LEFT AND RIGHT, TO THE SPRING STRUT .
• Refer to CONNECTING THE HIGH-VOLTAGE CONNECTOR .
• Refer to CONNECTING HIGH-VOLTAGE CONNECTOR .
• Refer to INSTALLING THE SKID PLATE OF THE ELECTRIC DRIVE UNIT .
• Refer to REMOVING THE RADIAL SHAFT SEAL FOR THE OUTPUT SHAFT AT THE REAR LEFT AND RIGHT OF THE ELECTRIC MACHINE TRANSMISSION .
• Refer to INSTALLING THE RADIAL SHAFT SEAL FOR THE OUTPUT SHAFT AT THE REAR LEFT AND RIGHT ON THE ELECTRIC MACHINE TRANSMISSION .
• Refer to INSTALLING THE OUTPUT SHAFT ON LEFT AND RIGHT .
• Refer to INSTALLING THE WHEEL CARRIER ON THE LEFT AND RIGHT .
• Refer to SECURING THE ANTI-ROLL BAR LINK ON THE LEFT AND RIGHT TO THE ANTI-ROLL BAR .
• Refer to ATTACHING THE AXLE GUIDE ON THE LEFT AND RIGHT TO THE WHEEL CARRIER .
• Refer to ATTACHING THE WIRING HARNESS OF THE INTEGRAL ACTIVE STEERING (HSR ACTUATOR) .
• Refer to CONNECTING THE CABLES AND LINE CONNECTIONS ON THE REAR AXLE .
• Refer to INSTALLING THE REAR LEFT AND RIGHT BRAKE PAD .
• Refer to CONNECTING THE COOLANT LINES TO THE ELECTRIC DRIVE UNIT .
• Refer to INSTALLING THE LONGITUDINAL STRUT ON THE LEFT AND RIGHT .
• Refer to INSTALLING THE REAR UNDERBODY PROTECTION .
• Refer to DRAINING THE COOLANT AND FILLING AND BLEEDING THE COOLANT CIRCUIT .
• Refer to INSTALLING THE REAR UNDERBODY PANELLING .
• Refer to INSTALLING THE UNDERSHIELD ON THE RIGHT SIDE .
• Refer to INSTALLING THE UNDERSHIELD ON THE SIDES ON LEFT .
• Refer to INSTALLING THE LEFT AND RIGHT DIFFUSER .
• Refer to INSTALLING THE CENTER DIFFUSER .
• Refer to INSTALLING THE HOLDER FOR THE REAR UNDERSHIELD .
• Refer to INSTALLING THE LEFT FRONT UNDERSHIELD .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to FASTENING THE RIGHT AND LEFT OUTPUT SHAFTS ONTO THE WHEEL BEARING .
• Refer to INSTALLING THE REAR LEFT AND RIGHT WHEELS .
• Refer to CLOSING THE ENGINE COMPARTMENT LID .
• Refer to ACTIVATING HIGH-VOLTAGE SYSTEM .
• Refer to INSTALLING THE FLAP IN THE RIGHT LUGGAGE COMPARTMENT TRIM PANEL .
• Refer to PLACING THE BRAKE PADS ON THE BRAKE DISK/PUTTING THEM INTO OPERATION .
• Refer to MEASURING THE RIDE HEIGHT OF THE REAR AXLE AND SETTING THE NORMAL POSITION .
• Refer to TIGHTENING THE THREADED CONNECTION OF THE CAMBER CONTROL ARM ON THE LEFT AND RIGHT OF THE SPRING STRUT .
• Refer to TIGHTENING THE THREADED CONNECTION OF THE LEFT AND RIGHT WHEEL CARRIER .
• Refer to TIGHTENING THE THREADED CONNECTION OF THE CONTROL LINK ON THE LEFT AND RIGHT ON WHEEL CARRIER .
• Refer to TIGHTENING THE THREADED CONNECTION OF THE CONTROL ARM ON THE LEFT AND RIGHT ON THE WHEEL CARRIER .
• Refer to ACTIVATING THE AIR SPRING SYSTEM .
• Refer to PERFORM CHASSIS/WHEEL ALIGNMENT CHECK .
• Refer to INSTALLING THE COVER OF THE CAMBER CONTROL ARM ON THE LEFT AND RIGHT .
• Refer to INSTALLING THE REAR UNDERBODY PANELLING .
• Refer to DELETE FAULT MEMORY .
• Refer to CALIBRATING AND TEACHING IN THE ROTOR POSITION SENSOR .