Stock Speaker Size - 1989 325i Coupe - Standard

[dinanm3atl]

I don't have premium. What size are the OEM speakers?

I THINK it is 5.25" "full range" in the front kicks

and

4" "full range" in the rear deck?

Can I drop in 5.25" into the rear deck?

[KenC]

5.25" all around

[dinanm3atl]

Oh good news. Thanks