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Discussion Starter #1
Vacuum Solenoid
I am getting a 30FF on acceleration on my 2010 535i N54. Doing a vacuum test on the solenoids this is what I am getting:
- Right solenoid: 9 Hg steady
- Left solenoid: instantly raises to 15 Hg makes a pop sound (I believe it is the wastegate) and then drops to 7 Hg
Can someone give me advice as to what is going on. I am getting 15 Hg out of the manifold and 22 Hg from the vacuum canisters.

This is with new solenoids and a newly installed ER chargepipe with Forge DV.
 

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Does the problem persist if you reinstall the stock CP/diverters? Which springs do you have in the DV's? I'm pretty sure you're supposed to swap out the green springs for the yellow ones.
 

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Does the problem persist if you reinstall the stock CP/diverters? Which springs do you have in the DV's? I'm pretty sure you're supposed to swap out the green springs for the yellow ones.
This was happening before I install the new CP and DV. I did install the yellow springs.
 

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have the turbos been replaced? i thought most people would get this error when their waste gate bushings became so ovalized that they wouldn't seal.

G~
 
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