1997 BMW 528i Q&A

1997 BMW 528i Question: My check eng light came on

now it runs rough when cold. -
Answer 1
You will need to read the codes to find out what issue is causing the check engine light to come on. Running rough may be a result of what ever is failing. -
Answer 2
The check engine light will enable the technician to correctly diagnose your symptoms. Running rough or misfire is often caused by worn out spark plugs. -