Tonight I fixed a problem we've had with the X5 since we got it; the temperature control on the HVAC didn't seem to work. Finally got around to cracking open the panel above the pedals & found that the hose wasn't connected to the cabin air temp sensor. If I'd known it was that easy...

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2001 X5 Sport 3.0/5-speed
1998 318ti/5-speed
1988 735i/5-speed
1984 528e/5-speed (soon to be M20B25-powered 525i!)