I don’t know what’s wrong with my car. i don’t have a check engine light on it though after i get the drivetrain malfunction.
Jun 29, 2022 at 7:05 PM
Check engine light on and code120308
2012 BMW 528
CHRIS THOMAS2
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the code #120308 boost pressure control, plausibility: pressure too low, I would start by checking the turbo tubes and boots to make sure they are in good shape with no leaks. If okay I would check the turbo main shaft endplay, if excessive I would replace the turbo. Here is a guide to help you see what I am talking about. Also, I have left instructions on how to change out the turbo in the diagrams below.
https://www.2carpros.com/articles/how-turbo-chargers-work
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
https://www.2carpros.com/articles/how-turbo-chargers-work
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
Images (Click to enlarge)
Jun 30, 2022 at 8:44 PM
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