BA – FG-X Falcon Workshop Manual
The BF seems to be a safe pick for durability, but there are some known issues with the diff, the front brakes and oil leaks. All can lead to much bigger problems down the line if not taken care of immediately.
Brake shudder
Coil pack insulation can be damaged by heat
Diff issues
Handbrake application issues.
Oil leaks
Rear brake line issues
Premature front tyre wear
The best way to accurately identify electrical and mechanical faults in a modern (mid 90’s onwards) car is to use an OBD2 scanner