Fixed the belt and pulleys but still popping P052B and P054B.The OBD2 Code Information Be Applicable For BMW: 2013 BMW X6 M50d,2013 BMW X6,2013 BMW X5 eDrive Concept,2013 BMW X5 Security Plus Concept,2013 BMW X5 M50d,2013 BMW X4 Concept,2013 BMW X1,2013 BMW Pininfarina Gran Lusso Coupe,2013 BMW M6 Coupe US-Version,2013 BMW M6 Coupe,2013 BMW M6 Convertible,2013 BMW M5 US-Version,2013 BMW M550d xDrive Touring,2013 BMW M550d xDrive,2013 BMW M4 Coupe.The code is on for multiple different sensors that. Q: It happened in the last 2 months.Outside temperature is around 35 F.Appreciate your help.Thank you.The engine control module (PCM) monitors Ignition Timing on initial startup. OBD II P052B OBD-II Code Decreased engine performance is defined as a Cold Start 'A' Camshaft Position Timing Over-Retarded.
