The old fug stirrer heater stems from pre-mid 70s. A 96 car will have similar to the 2002. My '93 4/4 and '97 +4 had similar heaters, with 2 speed switched fan. Both had similar heat adjustment with a Bowden cable to adjust the water flow valve.
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly '11 MINI Countryman Cooper D All4 '90 LR 90 SW