12 90... Removing and installing/replacing left or right electronics box

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

NOTE: Follow instructions for removing and installing CONTROL UNITS!

Necessary preliminary tasks:

Read fault memory.
Disconnect BATTERY EARTH LEAD .
Remove DME control unit left or right. See CONTROL UNIT (DME) CYLINDERS 7-12 or CONTROL UNIT (DME) CYLINDERS 1-6 .

NOTE: Picture shows the right side, the procedure for the left side is identical.

Release screws (1).

Unclip coolant lines at clamp (2) from electronics box.

Feed electronics box (3) out upward and remove.

Fig 1: Identifying Feed Electronics Box, Clamp And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

When installing the electronics box, insert guide (1) on engine support.

Fig 2: Identifying Electronics Box Guide

Courtesy of BMW OF NORTH AMERICA, INC.