final drive ratio by built year



here is a list , probably only refers to US spec
Differential Ratios

here worldwide list what I found out for E32

730 iA from 09/88.......: 4.10
730 iA Switzerland......: 3.64
730 iA Switzerland from 09/89....: 4.10
730 iA Australia /Japan..........: 4.27
730 i M60 engine..............: 3.15
730 il M60 engine.............: 3.15
730 iA M60 engine.............: 3.23
730 iAL M60 engine............: 3.23
735i..........................: 3.45
735 iA........................: 3.45
735 iA from 09/88.............: 3.91
735 iA Switzerland from 09/89.: 3.91
735 iA Australia..............: 3.64
735 iA Australia from 9/89....: 3.91
735 iA USA / Canada / Japan...: 4.27
740iA.........................: 2.93
740iAL........................: 2.93
750iA.........................: 3.15
750iAL........................: 3.15
750 iAL USA / Canada / Japan..: 3.64