2 NHTSA safety recall campaigns were found for the 1977 Bmw R100.
Component: WHEELS
Recall date: 1984-08-16
WHEEL MAY DEVELOP CRACKS AND FRACTURES FROM OPERATING ON ROUGH ROADS. (SPOKES WILL PRIMARILY BE AFFECTED).
UPON INSPECTION, A REDESIGNED WHEEL WILL BE INSTALLED ALONG WITH A NEW INNER TUBE AND THE NEEDED BALANCE WEIGHTS.
Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP
Recall date: 1977-06-17
THE FILLER CAPS WHICH HAVE RELIEF PRESSURE VALVES INCORPORATED MAY ALLOW PRESSURE BUILD-UP IN THE GAS TANK. THIS PRESSURE MAY BE GREATER THAN THE CLOSING PRESSURE OF THE FLOAT VALVE IN THE CARBURETOR, WHICH COULD CAUSE OVERFLOODING.
DEALER WILL MODIFY THE GAS CAP TO PREVENT PRESSURE BUILD-UP, AT NO COST TO THE OWNER.
Recall applicability can depend on VIN and production details. Confirm your specific vehicle with the manufacturer or the official NHTSA VIN recall lookup.