BMW K 1600 GT Rider's Manual page 181

Certifications
Tire Pressure Control TPC
FCC ID: MRXBC54MA4
IC: 2546A-BC54MA4
This device complies with Part 15 of the FCC
Rules and with RSS-210 of Industry Canada.
Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference,
and
(2) This device must accept any interference
received, including interference that may cause
undesired operation.
WARNING: Changes or modifications not
expressively approved by the party responsible for
compliance could void the user's authority to
operate the equipment. The term "IC:" before the
radio certification number only signifies that
Industry Canada technical specifications were met.