Its funny how you think you know something but then you are not sure. I believe that the blue area on my coolant temperature guage used to light up when I turn the dash lights on. Right now only the red one lights up. I have a 2004 4.4i. Can someone else confirm that when you turn your headlights on that the blue area lights up also? At night this area is completely dark in my X.

Can this be fixed with a simple bulb change?

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[Sold] 2004 X5 4.4i - Sterling Gray - Truffle Brown, Sport, Preminum, Rear Climate, DSP, Sirius, PDC, 132's (19 inch wheel), Comfort Seats
Dynavin, JL Audio Stealthbox, Alpine PDX-5 Amp