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BMW 3-Series (E90 E92) Forum
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Help! Valve Cover replacement went wrong (?)
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04-06-2020, 03:28 PM | #1 |
Registered
2
Rep 4
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Help! Valve Cover replacement went wrong (?)
Hello all!
I'm desperate for some help here... I have a 2010 535i xdrive with the N54. Yesterday, I put 10 hours into changing out the valve cover for a new one. I started by disconnecting the negative battery terminal. The middle gasket was leaking oil into my spark plugs and dripping down to my exhaust, where it burned up. I took the spark plugs out and let the minimal amount of oil drip down into the cylinders where it could be burnt off. One small issue occurred when the plastic clamp mechanism broke on the Crankcase Vent hose but its still difficult to take off. I watched a DIY and followed everything step by step, thought everything would be perfect now. Today, I turned the car over after pressurizing the fuel, and I have engine malfunction, reduced power!.... I immediately went to scan my codes, and here is what came up: P054B Cold Star "B" camshaft position timing over-retarded bank 1 [comes up twice on scanner] P0300 Random misfire detected I deleted the codes after and started up again, and still had the camshaft position timing over-retarded bank 1 code (P054B). I see online that this code can be thrown for a number of reasons, just trying to find out the exact one. Thinking this could be something to do with the vanos, but the car only threw itself into limp mode AFTER the VC job. Does anyone have any idea as to what is going on? I did this job myself to try to save $900 in labor, would love to resolve this issue without having to pay $150 to get it diagnosed by a shop! Thanks for your time |
04-07-2020, 12:41 AM | #2 |
New Member
8
Rep 8
Posts |
Maybe a missed electrical connector? There are 2 on the connectors on the very front of the engine that look related to timing. You didn’t need to take those off for the vcg but check that they’re seated well.
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Bimmer_Engineer1049.00 |
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535i, e60, n54 |
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