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BMW 3-Series (E90 E92) Forum
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30FF code help!
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| 04-15-2013, 08:22 AM | #1 |
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30FF code help!
Was on the highway holding 2nd gear around 4k rpm and when I put my foot down to go WOT... my car took a dump!
Got the following codes and I have a feeling that it might be the wastegate actuators (and not a boost leak in the vacuum lines or DV's): 29CF Glow Ignition Cylinder 3 (misfire?) I am changing plugs out this week anyway 30FF Underboost - It has to be the first turbo b/c it affected cyl 3 AND I threw O2 codes for the front bank, both sensors 2C9E & 2C32 - O2 lambda probes pre and post cat I appreciate the help, if anyone has experienced this similar situation.. what was the issue? Also, if in fact it IS the wastegate actuator.. what would remedy this? Should I try to check and tighten the flapper arm? Might be time for VTT stage 2's!
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 2008 335xi Jet Black//Coral Red VTT Stage 1+// Procede V5//VRSF DPs//AMS FMIC//KW V1//M3 Sways & Sub Bushings// Alpina AT flash Apex EC-7//Michelin PSS//Dinan CAI |
| 04-15-2013, 10:37 AM | #2 |
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I had the 30FF code. You should do two things.
1. DEFINITELY change your spark plugs and ASAP 2. Check your boost lines, there may be a leak/crack. I had to get all of mine replaced, it was about $400. |
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| 04-15-2013, 10:53 AM | #3 |
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word, thanks... I'd prefer it be a line and not the turbo
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2008 335xi Jet Black//Coral Red VTT Stage 1+// Procede V5//VRSF DPs//AMS FMIC//KW V1//M3 Sways & Sub Bushings// Alpina AT flash Apex EC-7//Michelin PSS//Dinan CAI |
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| 04-15-2013, 01:35 PM | #4 |
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I had 30ff this spring. All I had to do was get out a screw driver and tighten up all the hose clamps for the intake air that I could reach top side. 30ff gone.
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| 04-15-2013, 01:58 PM | #5 | |
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Quote:
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2008 335xi Jet Black//Coral Red VTT Stage 1+// Procede V5//VRSF DPs//AMS FMIC//KW V1//M3 Sways & Sub Bushings// Alpina AT flash Apex EC-7//Michelin PSS//Dinan CAI |
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| 04-15-2013, 04:50 PM | #6 |
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Anyone else?
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2008 335xi Jet Black//Coral Red VTT Stage 1+// Procede V5//VRSF DPs//AMS FMIC//KW V1//M3 Sways & Sub Bushings// Alpina AT flash Apex EC-7//Michelin PSS//Dinan CAI |
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