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      01-09-2022, 04:48 PM   #1
Bud miller
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backfire in my m235i

anybody have this happen...
car was warm been sitting awhile and as i left parking lot car under light throttle in first let out a backfire and i drove home never went into limp mode but would not allow me to accelerate past 1/4 throttle...
here is some pics
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      01-09-2022, 04:58 PM   #2
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Charge pipe failure. Very typical. Let me guess: hovering around 60K miles? Replace with aftermarket metal version (there are many options) and never have a failure again.
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      01-09-2022, 05:35 PM   #3
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45k miles , its the pot metal not plastic exhaust system i believe
i did a quick fix caus i had about a 4" duct clamp
so far so good till i can find out from the shop where i service it
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      01-09-2022, 05:37 PM   #4
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its a large pot metal looks like exhaust system
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      01-11-2022, 12:35 AM   #5
ljason8eg
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That has to be the most common N55 failure point. I can't imagine anyone's stock charge pipe lives much past 60-70k miles if they drive even somewhat spirited now and then.
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      01-11-2022, 10:24 AM   #6
bcwalks2
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Blown chargepipe. Take a look at the VRSF one. It is metal and will prevent this from happening in the future.

There are a few threads on the forum for how to install if you want to do it yourself. I did mine, took a couple of hours and was a pain in the ass at some points. Goodluck!
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      01-11-2022, 11:40 AM   #7
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Well, now I know what to do when I hear that big pop.
Still just over 50K miles, so not yet in the red zone, but I may take it into my indy shop and have them do the job preemptively.
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      01-11-2022, 08:59 PM   #8
Bud miller
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not sure when it will go, i assume many never let go,but i was under light throttle and it sounded like a backfire in the chargepipe near the throttle body, it is pretty intensive labor, unless you have a lift. but i'm 75 yrs old and am not doing those types of jobs anymore
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      01-11-2022, 09:05 PM   #9
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thx for the thought's guys,
actually my "temp fix "lasted a few days and 50 miles till i got it replaced....of course i only used about 1/2 throttle to be on the safe side..
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