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August 1, 2014 Service bulletin

Replacement HiFi Amplifier Is Not Recognized by ISTA and ISTA/P. INFORMATION When installing the new style...

BMW technical service bulletin 651211 for 2011 BMW 528I, 2011 BMW 535I and 2009-2011 BMW 750LI and others.

Bulletin number
651211
Component
Equipment
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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