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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > 30FF code after 4th gear pull, stage 1 mhd



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      10-24-2024, 08:40 PM   #1
e92willl
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30FF code after 4th gear pull, stage 1 mhd

So i got mhd and a few weeks ago and decided to do stage 1 option, it was making good power about 13.7psi, for about a week, then i started to notice a lack of power but no check engine light. Weird so i check codes and saw ghost code “30FF” Figured it was my chargepipe since i still haven’t replaced it at the time. Threw in the new chargepipe and bov and flashed back to stage 1. Still got the code so i ordered new boost solenoids from pierburg , threw them in and flashed it back, did a few pulls and im back to limp mode and ghost code “30ff”, I have 20 feet of 3.5 mm vac lines on the way hoping this will fix it since the current lines look frayed and original, Oh also i have wastegate rattle if that helps with anything lol. Also The 30FF code does not come back when im stock power, so its weird . the car feels how it should stock.
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      Yesterday, 03:30 AM   #2
wrevilo
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What is that code specifically for?

I think it would be worth testing for air leaks.
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      Yesterday, 09:36 AM   #3
e92willl
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Quote:
Originally Posted by wrevilo View Post
What is that code specifically for?

I think it would be worth testing for air leaks.
It says “30FF - DME: Turbocharger, charge-air pressure too low.” Gonna test for leaks after i do vac lines if that doesn’t fix it
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