Birthday boy Warner clubbed an unbeaten 100 as he powered Australia to a massive 233 for two, aided by century stands with skipper Aaron Finch and Glenn Maxwell.
In reply, the Blackcaps grittily batted through the final session without losing a wicket, leaving skipper Tom Latham on 26 and Melbourne Test centurion Tom Blundell at 34 in their team's total of 63.
A run of just two wins in 14 games, including seven defeats in their last nine league matches, saw patience run out with the 66-year-old former Real Madrid and Manchester City boss.
England were held up by a last wicket stand of 99 between Keshav Maharaj (71) and Dane Paterson (39 not out) and it needed a direct-hit run-out by Sam Curran from mid-on to clinch the result shortly before lunch. South Africa were bowled out for 237.
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The final UAE fixture of 2019 took place at Sharjah Longines Racecourse on Saturday and was highlighted by the The Crown Prince of Sharjah Cup, a 1200m Prestige contest for which only those foaled in the UAE are eligible.
During Christmas week, my two identities intersected. At work, I’m a political junkie, a Westminster journalist since 1982. Outside work, I’m addicted to football, Tottenham Hotspur in particular.
The ageless Swiss great, 38, said ahead of the tournament that he had low expectations at the year's opening Grand Slam after missing the warm-up ATP Cup to spend more time with his family.
Next year's Women's Cricket World Cup final will be played at Christchurch's Hagley Oval, it was announced on Thursday, underscoring the growth of the game over the past two decades.