I've got a E34 535i with the M30B35 motor.
Quick enough around town, Fast enough on freeway. Heavy on fuel. I get about 16l/100km.
Parts are not as easy to come by as the 525i M50, but if you look, you will find. Agents still have everything, at a price, of course.
If you want power, then go for the 530, 535 or 540i V8. 525i will dissapoint you in that respect.
Be prepared to spend R30k - R40k for a good example, R60k for the best one in the country.
If I had to choose, I would go for a 1995 late model 525i with all the bells and whistles. Make sure you get air bags, CD shuttle, nice interior and a gearbox that works. :uhoh:
The interiors on these cars can be neglected by previous owners. :hammerhead: