Originally Posted by davintosh

I suppose with my X5, equipped as it is with the manual IHKR controls...



... a squeak when the blower is running means tearing the dashboard apart.

Interesting that the cars with the IHKA HVAC controls have a fan specific to sampling air; the IHKR cars have a vacuum hose routed into the cabin that pulls air into a sensor under the dash near the driver's door, just like the older cars.