Ti's have an E30 diff? Do they share any other common components?
Goodluck getting her fixed up, I'd even check bimmerforums and see if someone will ship to Ogdensburg to save on crossborder shipping. I could be wrong but I don't think used auto parts are taxable?
1995 US-Spec Boston Green M3
18x8.5 MK Motorsport MK1's, BavAuto F+R Strut Braces
UUC System U Catback