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BMW 3-Series (E90 E92) Forum
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No codes but still have low boost (Log check)
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| 09-09-2022, 10:17 AM | #1 |
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Registered
0
Rep 3
Posts |
I'm trying to chase down why I'm not hitting boost targets on MHD in my 2011 335. I've tested all of my vacuum lines and checked every boost pipe for cracks or ripped seals, I applied Teflon tape on all my pipes to help seal and also replaced my boost solenoid and charge pipe.
Still low boost…. I am going to take off my downpipe and check my wastegate actuator today but was wondering if anyone can tell if my wastegate is the problem through my logs? https://datazap.me/u/undeade90/not-h...&data=3-12 |
| 09-10-2022, 12:34 PM | #2 |
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Lieutenant
 
576
Rep 449
Posts |
Your log looks fine to me, 7-8 PSI on the stock map is right around normal and you have steady controlled WDGC output which indicates you don't have a significant boost leak. Rarely does the DME control Load and Boost to setpoint, being under a little is not abnormal. If the DME exceeds Load setpoint it will shut the throttle plate.
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Appreciate
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