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Home >> BMW >> 2014 >> 750Li >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Engine Electrical System - Repair (N63) >> 1290 Control Unit Box >> 12 90... Removing and installing/replacing electronics box >> Necessary preliminary work
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Necessary preliminary work

Release screws (1).

Tightening torque 12 90 1AZ .

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

Feed electronics box (3) out upward and remove.

Fig 1: Identifying Electronics Box, Clamp And Screws
G06889038Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

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

Fig 2: Identifying Engine Support Guide
G06889039Courtesy of BMW OF NORTH AMERICA, INC.