P1342 BMW -

Question

beside the service engine soon, are their any other symptoms? like for example, my vehicle shakes when I accelerate. Is that do to a misfire cylinder?

Answer 1

P1342 Multiple misfire

P1349 Catalytst damaging

This is a misfire when it misfire as it accelerate it will shake this is a misfire. You will need ignition coil and mght as well replace sparkplugs and airfilter,