I wouldn't fit the wider tyres to a 4/4 either.
You may have problems with the tyres touching where they shouldn't and the additional loading on steering willmake slow speed / parking harder.
Vredestein T-Trac2 or one of their classic range - Tim (Hamwich) has fitted a set but I forget the name.


Graham (G4FUJ)

Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW