150/80x16 front, 170/80x15 rear.
Tire Rack has an online site that walks you through all the sizes including OEM.
There is a table of Astro Tire Sizes at http://astrosafari.proboards.com
The 1993 Dodge Intrepid had two OEM tire sizes. The factory fitments for this vehicle were the P205/70/15 and P225/60/16 sizes.
Of course you can, but it will effect handling, braking, performance, and fuel mileage, plus your speedometer will no longer be accurate. My advice is to stick with the OEM size tire. Saying that you can change sizes if you choose a tire that has the same overall diameter as the OEM tire. For instance if you OEM size is 235/70-16 you can install a 215/75-16 which would have almost the same overall diameter as OEM.
The 1991 Mazda 323 came equipped in two OEM tire sizes. Assuming the vehicle still has the original wheels the sizes were 155-13 and 175/70/13.
Check the owners manuel for the exact location. If you can't find it, try the driver side door.
The OEM size is 205/70-15. But I assume you want to stay with a 16" tire. If that be the case a 205/65-16 is much closer to the OEM size than the 225 tire.
BMW OEM Parts buyer
P19570R14 is the OEM for my 2005 Cavalier .
OEM BMW Batteries are always the best to reinstall into a BMW.
750-14 is the OEM size. This converts to these modern sizes. 205/75-14 215/70-14 235/60-14
P185x75x14