Ball State has won 11 consecutive conference games, one shy of the school record set in 1977-78. They also won 11 in a row in MAC play in 2007-08.
Wenning, Ball State's career leader in touchdown passes, passing yards, completions and attempts, completed 20 of 29 passes without an interception.
Cooper Rush was 20 of 32 for 284 yards and a touchdown for Central Michigan (3-6, 2-3). He also ran for a score.
Wenning threw two touchdown passes in light rain in the first quarter, an 8-yarder to Jordan Williams and a 13-yarder to Willie Snead, and connected with Jamill Smith for 30 yards to make it 21-0 early in the second quarter.
Banks added a 25-yard scoring run with 1:17 left in the half to make it 31-3.
In the third quarter, Wenning threw a 1-yard scoring pass to Snead to make it 41-10.
Snead finished with nine catches for 118 yards, and Smith had six receptions for 91 yards. Jahwan Edwards added 92 yards rushing on 18 carries, and Scott Secor made 28-, 31- and 26-yard field goals.
Zurlon Tipton scored on a 1-yard run for Central Michigan in the third quarter, and Rush had a 26-yard touchdown run early in the fourth and threw a 22-yard scoring pass to Titus Davis with 1:33 to go. Ron Coluzzi made a 30-yard field goal.