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BMW 3-Series (E90 E92) Forum
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P054B Code
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| 03-20-2016, 11:59 AM | #1 |
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P054B Code
Posted this in the E90 forum, but also posting here for more exposure as I'd like to get this fixed before Monday.
I just replace my OFHG using the DIY on this site. I also replace the serpentine belt, belt tensioner, & idler pulleys. Now when I fire the car up I get code P054B along with a CEL & rough idle. Any thoughts on what could be wrong? I've double checked all electrical connections. Any help is appreciated! 2011 E90 335i N55 |
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| 03-20-2016, 02:08 PM | #4 |
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Enlisted Member
17
Rep 30
Posts |
I cleaned and swapped the vanos solenoids (intake & exhaust), now I get P052B & P054B You think the solenoids need to be replaced? It's just weird that they would go out after working on the car.
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