This subject line appears to reference a specific underground or "grey market" car culture, likely relating to a digital forum (BBS) for trading high-performance parts.
The site was part of a niche online subculture where users shared and purchased media featuring women smoking cigarettes, cigars, and pipes. Key details about its operation include:
However, the smoking inside the shop (or waiting area — not sure which “parts bbs midnight auto parts smoking” refers to) was overwhelming. Cigarette smoke lingered on the parts I was shown, and I left with a headache. If you have asthma or just hate secondhand smoke, be warned.