I have a 2004 Mini Cooper S. Today I replaced the crank shaft sensor o ring and the valve cover gasket along with the spark plug gasket. I put everything back together and now get engine soon light on and rough engine. Can someone give me some advance to check. Didn't really want to take everything back apart. Thanks for the help.

 

Did you get the plug wires back on the right cylinders?

 

Thats why I love this place. Such a knuckle head I am. As soon as I read your post, the light went off. I had 3 and 4 switched. Switched them correctly and problem solved. Thanks again.