need answers
 

I have a 2000 BMW 5281 I had my spark plugs changed and one hour later my car was shaking (misfiring). I had my car checked and was getting codes multiple cylinder misfire which are 1 2 and 6. I had no problems at all until I had my spark plugs changed out.Can someone tell me what this issue can be.:dunno:

Smells like bad sparkplugs, I don't know about this car, but my conquest hates all but maybe 3 sparkplugs. Some sparkplugs for some reason just don't work with certain cars. Get a new set of sparkplugs regularly used by other owners, check gap and try again. It is possible to get crap plugs brand new.

Sounds like the gap isn't set correctly on the spark plugs. It's an old response but maybe it'll help someone else.