12 36 516 Removing and installing/replacing range extender electrical machine electronics (REME) (i3 base, i3s)

Preliminary work needed: 

• Refer to Remove VERTICAL STRUT .
• Refer to Remove REAR CROSS STRUT .
• Refer to DRAINING COOLANT .

REMOVAL: 

Release screws (1) from heat shield (2).

Feed out heat shield (2) and remove.

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Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect high-voltage safety connector (1).

Release screws (2) and disconnect high-voltage plug connection (3).

Unlocking and disconnect signal connector (4).

Detach high-voltage cables from clamps (5).

Unlock and disconnect connector (6) from high-voltage cable.

Release screw (1) from potential equalization line (2).

Unfasten and detach the coolant hoses (3).

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Unscrew the screws (1).

Slacken nut (2).

Feed out range extender electrical machine electronics (3).

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INSTALLATION: 

Feed in range extender electrical machine electronics (3).

Tighten screws (1) and nuts (2).

Tightening torque 12 36 8AZ .

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Connect and lock coolant hoses (3).

Tighten potential equalization line (2) with screw (1).

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Courtesy of BMW OF NORTH AMERICA, INC.

Connect connector (6) of high-voltage cable and lock.

Attach high-voltage cables to holder (5).

Connect and lock connector (4) of signal line.

Connect connector (3) of high-voltage cable to range extender electrical machine electronics and tighten screws (2).

Tightening torque 12 36 10AZ .

Connect and lock high-voltage safety connector (1).

Feed in heat shield (2).

Tighten down screws (1).

Tightening torque 12 36 11AZ .

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Required reworking: 

• Install VERTICAL STRUT .
• Remove REAR CROSS STRUT .
• FILLING AND VENTING COOLING SYSTEM .

Replacement: 

Carry out VEHICLE PROGRAMMING/CODING .