Here's the pinout for the OEM amplifier connector for a 2010 e93 335i convertible with the "hi-fi" audio system.
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2010 335i Convertible | Sapphire Black | Saddle | Premium | Sport | Comfort Access | Nav | iPod | Heated Seats
2008 X5 3.0si | Space Gray | Saddle | Premium | iPod | RSE | Cold Weather | Running Boards | Heated Rear Seats
Departed: 2001 540i | 1999 M3 Convertible | 2000 323i Touring | 1995 325i | 1987 325e
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