[gabewardd]

- [ ] 2c57 Charging pressure control, plausibility pressure too low
- [ ] 28A0 throttle valve opening absolute pressure intake pipe pressure too high

Hello everyone,
Over the summer I set a goal to fix all my codes. These are the last two and I’m super excited to fix them. I read a few forums about 2C57 being a possible boost leak or something so I got the boost pressure solenoid. I’m having trouble finding tutorials on how to install? I also have a valve cover gasket leak and I read that could be a problem too. Please let me know thanks!

[david769]

Had same 2c57 swapped out https://www.fcpeuro.com/products/bmw...id-11747626350 went away

[wrevilo]

Maybe smoke test the intake system to see if there are any air leaks?

[drumm8]

Buddy of mine is having the same problem - did boost solenoid replacement fix it for you?