Wimmer, who played for Spurs from 2015 to 2017, stunned fans with a remarkable strike against Celtic at Parkhead, quickly becoming a viral sensation despite the Scottish giants triumphing 5-1 winners.
Brendan Rodgers' hosts ran riot over Slovan Bratislava to get their league phase campaign off to the perfect start.
But that hasn't stopped opposition the centre-back feeling proud of his consolation effort - which was his first for his current club.
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“I still have very good contact with Sonny,” the ex-Austrian internationalist told Spurs' match day programme in the build up to their own European clash versus Qarabag.
“We speak quite a lot – especially after my goal in the Champions League, he texted me about that.
"We still have a very good relationship and I always try to see him as much as possible, but of course it’s not always so easy because we both have a very busy schedule and he also has the national team. But we always try to speak as much as possible and he’s still one of my best friends.”