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Home >> BMW >> 2009 >> M3 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 65 (General Electrical System - Repair - E90) >> Control Units, Modules >> 61 35 015 Removing and installing (replacing) control unit for Car Access System

61 35 015 Removing and installing (replacing) control unit for Car Access System

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD PROTECTION)  .
NOTE: The comfort access system is a radio-based system and can be interfered with by radio waves from other systems (e.g. mobile phone).

Necessary preliminary tasks 

Disconnect plug connection (2).

IMPORTANT: Carefully disconnect plug connection for ribbon cable (1).
Replace the ribbon cable if damaged.
The ribbon cable leads to:
Fig 1: Identifying Car Access System With Plug Connection And Screw
G06922524Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (3).

Feed out control unit for Car Access System (4) to left and remove in downward direction.

Installation: 

Feed guide (1) of control unit for Car Access System (2) correctly into associated mounting.

Fig 2: Identifying Control Unit For Car Access System With Guide
G04727634Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: