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BMW
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2004
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M3 2D Convertible, S6
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Repair and Diagnosis
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Engine Performance
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System
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Diagnostic Trouble Codes With Test Charts
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Test Group Identification
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Catalyst Monitoring
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Monitoring structure of Catalyst
Monitoring structure of Catalyst
Fig 1: Catalyst Monitoring Flow Chart
Courtesy of BMW OF NORTH AMERICA, INC.
Courtesy of BMW OF NORTH AMERICA, INC.