The ornamental design for a bbqgrillcleaningbrush, as shown and described.
FIG. 1 is a perspective view of a BBQ grill cleaning brush;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a rear elevational view thereof; and,
FIG. 7 is a front elevational view thereof.
The broken line showing of a brush head in FIGS. 1–7 and the broken lines shown on the top and bottom of the handle near its distal end in FIGS. 4–6 are included for the purpose of illustrating portions of the article that form no part of the claimed design.