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Home >> BMW >> 2013 >> M3 2D Convertible, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> General Electrical System - Repair -- M3 Convertible >> Control Units, Modules, Sensors, Aerials >> 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

IMPORTANT: Read and comply with notes on protection against electrostatic discharge (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 ribbon cable plug connection (1).
Replace the ribbon cable if damaged.
The ribbon cable leads to:

Release screw (3).

Feed out control unit for Car Access System (4) to the left and remove towards bottom.

Fig 1: Identifying Control Unit For Car Access System And Screw
G04727633Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

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

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

Replacement: