Iyer was impeccable at the crease smashing five boundaries and three towering sixes including the last six which sealed the match off Southee.
Taylor also spoke about the difference Jasprit Bumrah's experience made in the death overs.
Sports News Today January 24: After Martin Guptill and Colin Munro's blistering start, Ross Taylor and Kane Williamson maintained the tempo, helping New Zealand to 203/5.
TKR's 267/2 was the third-highest total in any T20 game.
Lasith Malinga picked up four wickets in as many deliveries for the second time in his international career.
Munro is on New Zealand duty and will miss TKR's games on September 4, 6 and 8.
As things stand, New Zealand are the fourth team in the semi-finals and will play India at Manchester on Tuesday.
New Zealand made two changes to the team that suffered a six-wicket defeat by Pakistan at Edgbaston on Wednesday.
Shakib will become only the third Bangladesh player to play 200 or more ODIs, behind skipper Mashrafe Mortaza (210) and Mushfiqur Rahim (206).
Allrounder Jeevan Mendis is not too worried about Sri Lanka's crushing defeat in their World Cup opener against New Zealand on Saturday.