Might try a "hard reset" by disconnecting the + terminal on the battery for a few minutes then reconnect, see if your issues are gone.

That worked for me to solve a few gremlins especially when the battery ran down to "low state".

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2008 4.8i X5 (2/25/08) 105k:
Titanium Silver/Black; All -HUD; Aero Kit; 22" VS-130 w/Pirellis;
///M Shifter & Fr Brakes; Gauge Rings; Console Pads; Custom Wheel & Mats; Roof Rails
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1.2" H&R; LUX AEs; LCI Tails; Rear Fogs; NBT EVO; ESS Tune; Meisterchaft GTC Exhaust