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BMW TSB #651211
2011 BMW 550
TSB Document:
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- Replacement HiFi Amplifier Is Not Recognized by ISTA and ISTA/P. INFORMATION When installing the new style HiFi amplifier (replacement part), the following conversion must be performed in ISTA/P: Conversion replacement HiFi loudspeaker system Note: This conversion option is only available in ISTA/P prior to the first new style HiFi amplifier installation in the affected vehicle.
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