Camshaft Sensors/Misfire codes

[Amedcalf]

I have a 2010 328i BMW.
Shakey and stalling out on me. Service engine soon light on. Ran the codes and these all came up.

p052b-Cold Start Intake (A) Cam Shaft Position Timing -over retarted

p0012- Intake (A) Cam Shaft Position timing- over
Retarted

p0015- Exhaust Cam Shaft Position timing - over
Retarted

p0304- Cylinder 4 Misfire Detected

What to expect?

[jclausen]

Valvetronic sensor under valve cover would be my guess the connector sticks thru the front part of the top of the valve cover