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2012
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M3 2D Convertible, Standard Trans
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Repair and Diagnosis
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General Information
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OEM General Information
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Functional Description -- M3 Convertible
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Engine Performance - Functional Description
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Ionic Current Measurement S65/S85
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Notes
Ionic Current Measurement S65/S85: Notes
The following variables are measured for improved combustion monitoring:
Spark duration
Combustion quality