question

[BEE AM]

bros, as i mentioned in d newbie section n had come across a 325i (A) 1994 selling for around 40k.. however would some advise on d following;-d seller says he changed d engine n d gearbox into 5 speed auto.. Any problem with this kind of gearbox? Is it better than the previous ones?Also, how many type of of engine and gearbox does this e36 325i model have?Hope to get some light on this