Bay of Plenty were 194 for the loss of six wickets, when Popli was caught, bringing Bay wicketkeeper Tim Clarke to the crease. His hard-fought 40 unbeaten runs took the visitors through to 239 all out.
Opener Tom MacRury was another Bay player to impress with a solid 42.
Counties Manukau made a good start before a late Bay wicket had them 97/2 at stumps on day one.
When the third home side wicket fell at 102 on day two, the momentum was still firmly in Counties Manukau's favour.
Bay of Plenty change bowlers Campbell Thomas and Andrew Gibbs put on the brakes and were rewarded with wickets.
At 154/5, Counties required 86 for first-innings points, however their last four wickets fell for just nine runs as they were bowled out for 184.
Gibbs took Bay of Plenty career-best figures of 4/52 while Thomas finished with 3/30, and Sean Davey chipped in with two wickets.
Bay of Plenty batted again, but rain intervened after 8.5 overs with the Bay at 18 without loss, before the match finished with Bay of Plenty taking valuable first-innings points.
Check out Bharat Popli here: