Good news, the issue was finally fixed by replacing the entire navigation unit. No more issues even when in direct sun for extended periods of time.
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'15 F15 M-Sport AW on Mocha ON ORDER | '14 F10 M-Sport 535i xDrive SOLD |'13 F30 Black Sapphire on Black Dakota SOLD | 2010 e70 X5 Black Sapphire SOLD | '06 e90 330xi SOLD
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