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BMW
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2003
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525i Sedan (E39) L6-2.5L (M54)
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Exhaust System
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Heat Exchanger
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Locations
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B11 Heat-Exchanger Sensor, Left (W/IHKA)
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B11, X772 (IHKA Auto. Heat/ A/C System)
B11, X772 (IHKA Auto. Heat/ A/C System)
