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Wierd sound kinda like a BOV/ pulling timing in 3 cylinders up to -5.36
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| 02-07-2012, 04:08 PM | #1 |
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Wierd sound kinda like a BOV/ pulling timing in 3 cylinders up to -5.36
Ok guys so yesterday i was seeing what all stage2+fmic was about and got a CEL and car started shuttering, so i turned it off started back up all was good. Today i got the spark plugs all changed. And on the way home noticed a "BOV" type of sound but much quiter. Im thinking it could possibly be a leak in the diverter valves? and also when i got home i checked for codes and found H29CD and cant seem to find out what it mean anywhere. any help apreciated
Last edited by skatenc123; 02-07-2012 at 06:34 PM.. |
| 02-07-2012, 04:12 PM | #2 |
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Brigadier General
 
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Without any more information, just speculation, I bet your "hot side" intercooler pipe slipped off. This will cause a CEL, but goes away when you restart the car. Do you have a boost guage or does it feel like it's lacking power? My 2nd guess would be your diverter valve, make sure they are still in-place.
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| 02-07-2012, 04:16 PM | #3 |
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intercooler piping looks fine. diverter valves look fine i cant get to them around the Injen intake really. Im more worried about the code i pulled then the BOV sound. As i believe the BOV sound is from the diverter valves leaking under high boost.
Last edited by skatenc123; 02-07-2012 at 04:31 PM.. |
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| 02-07-2012, 04:36 PM | #4 |
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datalog a run, and make sure everything looks fine. That should help you determine if your turbos are dumping pressurized into the atmosphere
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'07 E92 335i 6MT- HP650, inlets/outlets, ER FMIC, VRSF CP, LPFP stg2, CSF rad, 'is Aux rad, ER OC, Ohlins, M control arms, eibach front sway bar.
'05 C55 AMG SOLD - '22 Tesla M3P | '10 E92 335i M, 6MT COBB, FBO, st2 LPFP, Mfactory LSD | '07 E90 335i, PTF COBB E50, FBO, HFS4 |
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| 02-07-2012, 04:54 PM | #6 |
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check your hose:
http://www.e90post.com/forums/showthread.php?t=455873 i had that one time and found out the hose was popped and making a "BOV wanna-be" sound from the stock DV.
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E90 335i TiAg *STOCK*  see my garage for mod list..E70 X5 SGM *try to stay stock* :/ |
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| 02-07-2012, 05:27 PM | #8 |
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 thats a video i cant tell if it worked or not. if i click it it works for me. i also have a 3rd gear pull. if somebody would like to help me log it that would be awesome. i checked all the hoses best i could, its dark here now and the engine was pretty hot. |
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| 02-07-2012, 06:39 PM | #10 |
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Save the logs as images and attach them here. If you're on windows use snap tool if not just print screen and fix it in paint to include only the log.
Save, attach and post 
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'07 E92 335i 6MT- HP650, inlets/outlets, ER FMIC, VRSF CP, LPFP stg2, CSF rad, 'is Aux rad, ER OC, Ohlins, M control arms, eibach front sway bar.
'05 C55 AMG SOLD - '22 Tesla M3P | '10 E92 335i M, 6MT COBB, FBO, st2 LPFP, Mfactory LSD | '07 E90 335i, PTF COBB E50, FBO, HFS4 |
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