Fuel Level Sensor.
See
FT-Gasket903 for the associated O-ring.
Vehicle Manufacturer: BMW
Application: BMW K Bike Models
Make/Model: BMW: K1200GT, K1200RS
Model Years: 1996 - 2005
Manufacturer #: 16 14 2 305
663
(See APPLICATION TABLE tab BELOW to verify vehicle fitment)
Brand: BMW