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BMW 3-Series (E90 E92) Forum
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newb question
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01-13-2013, 09:05 PM | #5 | |
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OP that is definitely your problem. Go out and by a real clamp and replace that ziptie!
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01-13-2013, 09:06 PM | #6 |
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ok a little more background, the one with the zip tie blew off two days after I got the car. dealer replaced it and no problems till last weekend when I took the car to the track and blew it off again ( zip tie was my quick fix lol ) last night under normal driving conditions I blew the other one off. just trying to get some info so I can have the dealer fix it right. tried using the search button but didn't have any luck.
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01-13-2013, 09:42 PM | #7 |
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Gotcha. I am by now means qualified to answer your questions but I can try to help. Are you running any sort of tune (something that would increase your overall PSI?)
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01-14-2013, 11:45 AM | #11 |
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Correct me if I'm wrong, but those clearly look like the stock diverter valves that are mounted to your charge pipe. When you're on the throttle and building boost and then let off (you brake or shift, etc) the throttle body then closes. The turbos are still spinning though and building pressure in the intake piping after the turbos. These valves essentially divert the build-up of pressure in front of the throttle plate back into the pre-turbo piping of your intake, recycling the air, so that it doesn't force back-pressure on the spinning turbines (which is no good for a bunch of reasons).
If you're on a stock tune and blowing these things off, I'd say it'd be one of two things. Either the connection point (grey ring lock) of the valves has some broken plastic or is worn, or the valves are getting stuck/not opening when they should and the pressure that should pass through them is just blowing them off the pipe. |
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01-15-2013, 08:38 AM | #12 | |
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