Te Puke Sports jumped out to a match-winning 18-0 lead at halftime away to Greerton Marist and then held off a late flourish from the home side to win 24-19.
Steamers winger Elliot Hagan and last year's Tauranga Boys' College pivot Dan Hollinshead enjoyed winning debuts.
Whakarewarewa won the Rotorua derby against Rotoiti 14-6 while Opotiki showed they will be as tough as ever to beat at home by knocking over Te Puna 24-14.
Bay of Plenty Rugby Results 29 March 2014
Premier Baywide
Te Puke 24 (David Whitecliffe-Davies (2) Matt Wallace, Elliot Hagan tries, Dan Hollinshead 2 pen con) Greerton Marist 19 (Josh Evemy, Joe Key, Daniel van den Berg tries; Tim O'Malley 2 cons) - HT 18-0
Whakarewarewa 14 (Daniel Ngawhika, Chanse Perham tries; Te Rangi Fraser 2 con) Rotoiti 6 (Tyson Ripia 2 pen) - HT 0-3
Tauranga Sports 33 (Nick Evemy, Vince Cooney, Phillip Togotogorua, Hamish Gosling, Richard Murray tries; Geoff Berry con, 2 pen) Rangataua 26 (Ross Taurima, Hugo Cundy, Joseph Allen, Alex Jessop tries; Jessop 3 cons) - HT 23-19
Opotiki 24 (Te Hata Wilbore, penalty try; Te Hata Wilbore 3 pen 2 con) Te Puna 14
Mount Maunganui 36 (Teddy Stanaway, Andy Devoy, Milo Mitchell, Chad Jacobs tries; Matt Golding 3 con) Rangiuru 22 (Simon Rolleston, Ngatai Kingi, Carlos Basham tries; Rolleston 2 cons, pen) HT 15-10 Rangiuru
Premier Points Table
Te Puke 5, Tauranga Sports 5, Mount Maunganui 5, Whakarewarewa 4, Opotiki 4, Rangataua 2, Greerton Marist 1, , Rangiuru 0, Te Puna 0, Rotoiti 0