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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) >> Battery >> 61 20 005 Testing battery with battery tester >> Necessary preliminary tasks:

Necessary preliminary tasks:

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Remove LUGGAGE COMPARTMENT FLOOR TRIM PANEL .

NOTE: Use BMW-recommended battery tester* to test the battery.

*Sourcing reference BMW Workshop Equipment Catalogue

Procedure: 

Fig 1: Identifying BMW-Recommended Battery Tester
G06894999Courtesy of BMW OF NORTH AMERICA, INC.