Valve behind Air-Filter Box?

[Rick L]

Anyone know what that valve attached behind air-filter box is called? It has two small coolant hose connected to it.

[Ross]

http://www.realoem.com/bmw/showparts.do?model=HJ63&mospid=47414&btnr=11_1123&hg=11&fg=35
#10?

[ryan roopnarine]

the air box thermostat? that is used to heat up the throttle plate at continuous highway speed operation to prevent icing.

[Rick L]

That looks like it. #10 from the parts list. I didn't know there was thermostat for air box. Thanks Ross and Ryan. :)

http://www.bavauto.com//assets/product_images/hardpart/13541730682.jpg