I have never run my car through the tunnel at the carwash, would it be OK to do it once in a while when I'm short on time to have an actual detail?

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2006 BMW X5 4.8is Lemans Blue/Beige/Dark Maple
-Nav, Comfort Seats, Heated Steering Wheel,
Rear Airbags, AUX Input
2009 BMW M3 Space Grey/Black/Carbon
-all options