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BMW
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2009
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M3 2D Convertible, Automatic DCT
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Self Diagnosis - Diagnostic Trouble Codes - DTC P1602 - DTC U1153 (S65)
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MSS60 Engine Operating System DTCS
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DTC P2442, BMW Hex Code 0x27B1, BMW Code 10161: Secondary Air Injection System Switching Valve Stuck Open (Bank 2) (MIN)
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Possible Fault Causes
Possible Fault Causes
Bank 2 shut-off valve seized open / ASV seized open / long-term danger of soot accumulation