12 90... Removing and installing/replacing electronics box add-on

IMPORTANT: Comply with NOTES ON PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD protection)!

NOTE: Follow notes for removing and installing control units.

Necessary preliminary tasks:

Release expanding rivet (1) and remove cover (2).

Installation note:

Replace damaged expanding rivet.

Holder of cover (2) must snap into place in suspension cross-brace during installation.

Fig 1: Identifying Expanding Rivet And Cover

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Release screws (1).

Release clamp (2).

Remove cover (3) from supplementary electronics box.

Fig 2: Identifying Supplementary Electronics Box Cover, Clamp And Screws

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Unclip grommet hold-down device (1).

Detach rubber grommets (2) from electronics box add-on.

Installation note:

Make sure grommets are correctly seated (watertightness).

Fig 3: Identifying Supplementary Electronics Box, Carrier Plate, Screws, Rubber Grommets And Grommet Hold-Down Device

Courtesy of BMW OF NORTH AMERICA, INC.

Release carrier plate (3) from lower section of supplementary electronics box (5) and set aside.

Release screw (4).

Remove the lower section of the supplementary electronics box (5).