The 31-year-old man misappropriated the cash hundreds of times since 2023.
The pair had known each other for about five months through mutual friends and social applications.
She scolded him for getting the modifications, saying that she needed the motorcycle for work.
Several social media videos showed the van driving recklessly while trying to evade the police.
One of the cars was seen partially on top of another.
Associate Professor Kenneth Goh Toh Chuan is also a former national swimmer.
One of the winning tickets was bought from an outlet in Upper Boon Keng.
The maximum temperature on a few days may "slightly exceed" 34°C.
No injuries were reported.
The argument reportedly began after the driver accused the woman of boarding the wrong car and wasting his time.