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2010 2011 BMW 5 Series Forum F10 Charge pressure too high |
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09-17-2016, 03:47 AM | #1 |
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Charge pressure too high
Hi all
I'm having the occasional "drivetrain - drive moderately" usually under hard acceleration . Then goes into limp mode ( still drives nice but less power. Can drive for hours and no issues but it's not nice thinking you may lose a load of power at any minute if you're overtaking Codes are reading Charging pressure control plausibility too high Charging pressure control deactivation, pressure build up blocked Air mass volume too high And also Power management, overvoltage (I think this one may be irrelevant ) Is this the wastegate control valve or the diverter valve?? Has anyone tried cleaning the wastegate control valve . Seems an easy first attempt . Any thoughts guys ? Thanks in advance
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2010 F10 535ise auto saloon, sophistico grey / oyster 331 19"
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09-17-2016, 08:49 AM | #2 |
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Stock or tuned?
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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09-17-2016, 12:54 PM | #3 |
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Check your intake post MAF sensor, might have something loose or cracked, sucking in more air than it thinks it is causing it to over pressurize. Had that happen to me a few times, one of the intake rubber clamps got loose, easy fix if that's what it is.
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09-17-2016, 01:18 PM | #4 |
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Hi , it's stock , zero mods.
I removed and cleans the boost control valve and checked the function of the wastegate actuator. (Seemed ok. The valve behaved a little differently after cleaning ( as in the way that air flows through the in and out. ) ok. I'm hoping it may have been sticking . Test drive with multiple povokation ... no issues so far. I'll double check for cracks / potential leak points . Thanks for the help . I'll keep you posted on how it goes |
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10-01-2016, 11:02 AM | #5 |
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Issue has reoccurred . Now replaced the wastegate control valve. ( pressure converter) . The part number has been superceeded twice since the original . The new one has a much larger filter section on it so maybe it is recognised by BMW as being insufficiently robust.
Let's see how it's goes Last edited by Jrsimp78; 10-01-2016 at 11:03 AM.. Reason: Error |
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10-03-2016, 01:11 PM | #6 |
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Fist long run since the boost control valve was change. No issues so far and the general performance seems better and more responsive. Not counting any chickens yet 🐔🐔🐔
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