Install the electrical machine electronics (EME)

Connection overview for electrical machine electronics (EME)

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WARNING: High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see: 61 00... SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .

For additional information see: 61 25... NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

Support the electrical machine electronics (1) with the universal lifter, special tool 2 411 683 and the plate mounting (2).
Plate mounting (part number for applicable BMW applicable BMW Workshop Equipment: 81 22 2 357 071) is an element of the mobile table lift.

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Raise the universal lifter with the electrical machine electronics (2) until the screw connection for the positive battery cable (1) is accessible.
Tighten the nut (1) on the positive battery cable and attach the cover.

TIGHTENING TORQUE SPECIFICATIONS

Positive battery cable to electrical machine electronics
M8x16	Tightening torque	15 Nm

Connect the positive battery cable.

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Carefully position the EME with the universal lifter on the body.
Guide the holder for the EME into the bolt (2).
Tighten down screw (3).

TIGHTENING TORQUE SPECIFICATIONS

Holder for electrical machine electronics to body
M8	Tightening torque	22 Nm

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Tighten nuts (4) and (2).

TIGHTENING TORQUE SPECIFICATIONS

Holder for electrical machine electronics to body
M8	Tightening torque	22 Nm

Clip in the positive battery cable (1) into the holder for the EME.
Clip in the holder for the coolant lines (1).
Replace the holders for the coolant lines.
Parts: Holder for the coolant lines
Secure the coolant lines in the holders for the coolant lines (1).

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NOTE: TECHNICAL INFORMATION
Observe the additional information for unlocking and disconnecting various plug connections in electrical and hybrid vehicles!

Straightly connect the high-voltage connector.
Tighten the screws (2).

TIGHTENING TORQUE SPECIFICATIONS

High-voltage cable to electrical machine electronics
M6x25 Tighten screws in crosswise sequence.	Joining torque	3 Nm
M6x25 Tighten screws in crosswise sequence.	Tightening torque	8 Nm

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Position the holder for the tension relief and tighten the bolt (1).

TIGHTENING TORQUE SPECIFICATIONS

Holder for tension relief
M6	tightening torque	8 Nm

Position the holder for the tension relief and tighten the bolts (1).

TIGHTENING TORQUE SPECIFICATIONS

Holder for tension relief
M6	tightening torque	8 Nm

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NOTE: TECHNICAL INFORMATION
Observe the additional information for unlocking and disconnecting various plug connections in electrical and hybrid vehicles!

Connect and lock the connector of the high-voltage cable (3).
Secure the high-voltage cable (3) in the holder.
Position the holder for the tension relief and tighten the bolts (2).

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TIGHTENING TORQUE SPECIFICATIONS

Holder for tension relief
M6	tightening torque	8 Nm

WARNING: Potential equalization in high-voltage system.
Mortal hazard if the potential equalization screw connection is not correct!

Observe the safety requirements for the potential equalization screw connection.
Clean contact faces and have then checked by a second person.
Tighten the screws/nuts for potential equalization with torque; have a second person check the torque.
Correct execution of these tasks must be documented in the vehicle records by both persons.

Tighten the nut (1) of the potential compensation line on the body.

TIGHTENING TORQUE SPECIFICATIONS

Potential compensation line on body
M8 Observe notes on earth bonding screw connections.	Tightening torque	19 Nm

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WARNING: Potential equalization in high-voltage system.
Mortal hazard if the potential equalization screw connection is not correct!

Observe the safety requirements for the potential equalization screw connection.
Clean contact faces and have then checked by a second person.
Tighten the screws/nuts for potential equalization with torque; have a second person check the torque.
Correct execution of these tasks must be documented in the vehicle records by both persons.

Tighten the nut (4) of the battery earth lead on the body.

TIGHTENING TORQUE SPECIFICATIONS

Battery earth lead to body Observe notes on earth bonding screw connections!
M8	Tightening torque	19 Nm

Clip the signal line (3) in.
Connect and lock the connector of the signal line (3).

NOTE: TECHNICAL INFORMATION
Observe the additional information for unlocking and disconnecting various plug connections in electrical and hybrid vehicles!

Connect and lock the connector of the high-voltage cable (2).
Clip the high-voltage cable (2) into the holder.
Close the mounting (1) of the high-voltage cable (2).

Follow-up work

Refer to CONNECTING THE COOLANT LINES FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to FILLING THE LOW-TEMPERATURE COOLANT CIRCUIT WITH THE VACUUM FILLER DEVICE .
Refer to CONNECTING NEGATIVE BATTERY CABLE (ENGINE COMPARTMENT) .
Refer to CONNECTING THE NEGATIVE BATTERY CABLE .
Refer to ACTIVATING HIGH-VOLTAGE SYSTEM .
Refer to INSTALLING THE FLAP IN THE RIGHT LUGGAGE COMPARTMENT TRIM PANEL .
Refer to REMOVING/INSTALLING TRAILING LINK AT TENSION STRUT TOWER .
Refer to INSTALLING THE UNDERBODY PANELLING ON THE REAR SIDE .
Refer to BLEEDING THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to ENCODE/PROGRAM CONTROL UNIT(S) .
Refer to PERFORMING ROTOR POSITION SENOR CALIBRATION .