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BMW 3-Series (E90 E92) Forum
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Engine Malfunction
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| Today, 11:11 AM | #1 |
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Registered
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Rep 1
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Engine Malfunction
Upon fast acceleration my n55 335i keeps on saying engine malfunctio, these codes come up when reading with MHD scanner but i keep digging into a deeper hole with multiple options to fix
should i get a smoke test done? |
| Today, 12:12 PM | #2 |
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Brigadier General
 3013
Rep 4,373
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The Primary Fault Code is 2C56. Here is Link to BMW Fault Code Lookup Fault Information Sheet, with Service Plan:
https://bmwfault.codes/XMLDiagView?d...I0MzU2MDgwNQ== Attached is ISTA ScreenPrint of wiring for Air Supply. If your MHD or any other available Tool will display Live Data, I would first monitor Boost Pressure as Live Data to determine what is happening. Is Boost Pressure always implausible, or is it intermittent? Does Wastegate Open? Is it operative? I don't have an N55, so perhaps others can help, at least with further test results supplied by you. George |
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Appreciate
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