all wheel drive

[1q2w]

which year and model is the most reliable all wheel drive 7 series out there? preferably before the era most manufacturers designed the rear passenger windows kind of round-like. i like the back windows to be more 'squared' off

[shogun]

Please tell me which 7 series BMW has 4-wheel drive.
Are you talking about E23, E32, E38, E65 ?

[Interceptor]

Please tell me which 7 series BMW has 4-wheel drive.
Are you talking about E23, E32, E38, E65 ?
I don't think there ever was a 4WD 7-series.