Shane Larkin scored 20 points as ninth-ranked Miami made just enough plays at both ends of the court in the final minutes in its Atlantic Coast Conference tournament quarterfinal, topping Boston College 69-58 at the Greensboro Coliseum.
Miami, the top seed in the conference tournament field, struggled for stretches before scoring eight points in a row to break free from a tie.
Miami (25-6), which set a school record for number of victories, will meet the winner of Friday's Virginia-North Carolina State game in Saturday afternoon's first semifinal.
The Hurricanes beat Boston College for the sixth consecutive time and for the third time this season. They ended the game on a 14-3 run to separate in a back-and-forth game that was tied at 50.
Patrick Heckmann scored 15 points, while freshman Olivier Hanlan, who scored 41 points in Thursday's tournament opener, and Ryan Anderson added 14 points apiece for Boston College (16-17).
Kenny Kadji supplied 15 points and Trey McKinney Jones had 12 points for the Hurricanes.
Miami's Durand Scott broke a tie with two foul shots with 3:01 left. After both teams had empty possessions, a Boston College turnover gave the Hurricanes another chance. Larkin it a 3-pointer from near the left corner off an inbounds pass, pushing the edge to 60-55.
Rion Brown connected on a jumper in the lane and Miami finally had some more breathing room again.
Boston College led 42-37 with 14 minutes to play. Miami followed with an 8-0 run, with Scott and Larkin each scoring four points.
Boston College guard Patrick Heckmann, who left with an apparent arm injury earlier the second half, tied the game 50-all by making the second and third free-throw attempts of a the-shot opportunity with 5:03 left Heckmann's 3-pointer tied the game again at 55-55.
Hanlan, the ACC Freshman of the Year who scored 41 points in a first-round victory against Georgia Tech when he made his final 12 shots, connected on his only attempt in the first 16 minutes against Miami. He was 3-for-3 by halftime and 5-for-10 in the game.
He made a 3-pointer for a 37-33 lead early in the second half before missing his next attempt, ending a stretch of 16 consecutive made baskets for the guard.
Boston College fell behind 13-2 in the opening minutes, similar to a day earlier when it trailed Georgia Tech 15-0. The Eagles stormed back again.
Miami held an 18-6 lead 10 minutes into the game, but the Hurricanes had to deal with foul trouble among their post players. Hanlan's drive into the lane resulted in a basket on only his second attempt, tying the game at 23-23.
The Eagles led 25-23 at halftime on Anderson's basket. Miami missed eight shots in a row from the field during the Eagles' rally late in the first half.
NOTES: Miami has won its first game in the ACC tournament for the fourth consecutive year, but the Hurricanes advanced to the semifinals for the first time since 2010. They've never played in the tournament's title game. ... Miami improved to 1-2 all-time against Boston College in neutral-site games. ... Boston College has erased double-digit deficits four times this month, coming back to take a lead in all those games. The Eagles won the three previous times in those situations. ... Miami's best seed in the ACC tournament prior to this year was No. 5 in 2008.