Has misfire on number 4cylinder i tried to clear code and it would not, why?

Question

2004 BMW 325i 2.5L, manual has misfired on number 4 cylinder, p0304. I tried to clear the code and it would not, why?

Answer 1

The code won't clear until you repair the problem. The most common cause of the P0304 code for your model and year is the "Ignition Coil".

I recommend replacing ignition coil #4 and spark plug to repair the problem.

Here is a video on how to replace the ignition coil and spark plugs: