Necessary preliminary tasks

NOTE: Work is shown on the E82 N52N by way of example. There may be differences in detail in the case of other vehicle models.

Unclip covers (1) and release nuts underneath. Tightening torque 61 12 4AZ .

Remove battery positive cables.

Fig 1: Identifying Cover

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Unclip cover (1).

Fig 2: Identifying Electronics Box Cover

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Unscrew nuts (1). Tightening torque 61 12 4AZ .

Remove battery positive cables.

Release locks (2) and remove frame (3) towards rear from B+ terminal.

Unclip B+ terminal and remove towards front.

Installation:

Make sure frame (3) engages correctly in B+ terminal.

Fig 3: Identifying Engine Compartment B+ Terminal Locks, Frame And Nuts

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