Q: Code po28 what is it on 2004 BMW 325xi

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Code Po28 what does it mean
(1) Answer
I think that you mean P0128, which is a common code on BMW. It means that the Engine is not warming up properly, here is an article that I wrote that gives some theory and background on this code.