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The 3.0L engine in a 2014 BMW 335i xDrive or other BMW models may intermittently lose power, along with a Drivetrain Malfunction message and the MIL may be on. There are one or more of the following air mass plausibility and Valvetronic system faults stored in the DME memory.

E-Series with BN2000

2775..........air mass plausibility, air mass too low

2C57..........charging pressure control plausibility, pressure too low

2DCE........Valvetronic system..no adjustment possible

3164........fuel tank ventilation system, 2nd inlet point malfunction

F-Series with BN2020

102002....air mass plausibility, air mass too low

120308.....charging pressure control plausibility, pressure too low

133B04......Valvetronic system, no adjustment possible

191C02.....fuel tank ventilation system, 2nd inlet port, malfunction

The cause may be a defective Valvetronic or tank ventilation component, and/or erroneous faults set due to DME software parameters.

Using the latest version of ISTA, perform all recommended test plans. Visually check that there are no leaks in the lines or connections of the charge air system. If a fault is detected during the testing, complete all steps as specified to identify the cause. Make the needed repairs and program the vehicle to the specified integration level using ISTA/P 3.57 or higher. 


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