Diagnostic trouble code P0306 on your 2022 BMW X5 indicates that the engine control module has detected misfires in cylinder 6. The 2022 X5 offers inline-6 and V8 engine options, both with six or more cylinders, making P0306 a valid code requiring BMW-specific diagnosis.
2022 BMW X5 Powertrain
The 2022 X5 features the B58 3.0-liter turbocharged inline-6 in the xDrive40i producing 335 horsepower, and the N63 4.4-liter twin-turbo V8 in the xDrive50i delivering 523 horsepower. Both engines can trigger P0306 with cylinder 6 in different locations depending on engine type.
Engine Configuration Differences
Cylinder 6 on the inline-6 is at the rear of the engine. On the V8, it's on the passenger-side bank. Access, components, and diagnostic procedures vary between engines. BMW ISTA provides the most detailed diagnostic information.
Common Causes
Ignition coil and spark plug issues are common across both engines. The V8 may also experience specific issues related to its twin-turbo system and greater complexity.