Circular connector, 20-pin, system D2.5 (4' Series Coupe/Convertible, 4' Series Gran Coupe Sedan)

Special tools required: 

• 61 0 303 

Carefully press back retaining tabs (1) of internal connector (2).

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Turn internal connector (2) until retaining lugs (1) snap into release groove (3).

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With special tool 61 0 303  press down safety catch (4) of corresponding contact and pull out cable.

Courtesy of BMW OF NORTH AMERICA, INC.