LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2011 >> 528i >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Engine Electrical System - Repair >> Control Unit Box >> 12 90... Removing and installing/replacing electronics box (N63)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

12 90... Removing and installing/replacing electronics box (N63)

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection). Refer to NOTES ON PROTECTION AGAINST ELECTROSTATIC DAMAGE .
NOTE: Follow instructions for removing and installing CONTROL UNITS !

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
G06888949Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

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

Fig 2: Identifying Guide On Engine Support
G06888950Courtesy of BMW OF NORTH AMERICA, INC.