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Home >> BMW >> 2009 >> M3 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 85 (Distance Systems, Cruise Control - Repair - E90) >> Park Distance Control >> 66 20 508 Removing and installing (replacing) control unit (Park Distance Control)

66 20 508 Removing and installing (replacing) control unit (Park Distance Control)

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks: 

Release screws (1) and pull back device holder (2).

Fig 1: Pulling Device Holder
G04727630Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Unlock catch (2) in direction of arrow and remove control unit (3) upwards from device carrier (4).

Fig 2: Disconnecting Catch
G04728000Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Carry out vehicle programming and encoding.