Install the BDC control unit

WARNING: Work on components with requirements for a secure energy supply
Ensure proper function after a repair

Lines are allowed to have only one repair area.
Notices in the diagnostic system circuit diagrams must be observed.
When components are replaced, the notices in the applicable BMW parts catalogue must be observed.

Connect the connector of the positive battery cable (1) to the BDC control unit (4).
The following order must be maintained:
1. Install the connector of positive battery cable (1) in the arrow direction.
2. Check that retaining lug (2) is correctly engaged in the detent.
3. Close lock (3) in the arrow direction.
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Guide in the BDC control unit (1).

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Connect all connectors (1) and lock.

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Maneuver BDC control unit (2) in the arrow direction.
Connect all connectors (1) and lock.

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Guide in cover (2) in the arrow direction,
Check the detents (1).

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Tighten screw (2) at cover (3).

TIGHTENING TORQUES SPECIFICATION

Body Domain Controller (BDC)
Sheet metal screw 4.8X16	tightening torque	1.2 Nm

Position the carpet (1).

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Follow-up work

Refer to INSTALLING SIDE TRIM PANEL IN FOOTWELL ON RIGHT A-PILLAR .
Refer to INSTALLING THE FRONT DOOR SILL COVER STRIP .
Refer to INSTALLING RIGHT FOOTWELL TRIM .
Refer to ACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
Refer to ACTIVATING THE 48 V ELECTRICAL SYSTEM .