BMW 318Ci ...tight seat belt - Phil in Herts
The driver's seatbelt on a 1999 model is very tight and seems to get tighter as the car is driven...any ideas?
BMW 318Ci ...tight seat belt - Carse
Sounds like the inertia mechanism is failing

Carse
BMW 318Ci ...tight seat belt - David Horn
Perhaps your car doesn't like you?
BMW 318Ci ...tight seat belt - bell boy
do you eat as you drive? thus increasing body girth