Repair procedures (plant/service)
WARNING: This page does not describe the selected car, but rather 52 other vehicles, including the 2013 BMW X6 M, 2013 BMW X5 M, 2013 BMW M6, 2013 BMW M5, and 2013 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
-Check compression
-Replace the particular injector (if the Teflon ring is defective then there will be apparent carbon accumulation on he ignition coil near the spark plug)
-Replace precatalyst on the specific bank