Misfires

What is your question?

BMW 650i, 2012, changed spark plugs and ignition coils, getting a code, all cylinders on bank 1 are miss firing, the oxygen sensor also needs replaced, bank 2, not yet done, on order .

What makes this problem better or worse?

It's ok upon start but after a minute the screen says drive train malfunction and car runs rough.

How long has your 2012 BMW 650i had this problem?

Today