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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Not running an o2 sensor



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      02-28-2020, 06:18 PM   #23
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Originally Posted by nsjames View Post
don't get new pipes.

mark where it needs to go, take to muffler shop and have them weld bung in your pipe for $20.

done, that day.

at least leave the o2 sensor unplugged from the harness so the ambient oxygen doesn't freak out.
and I'd probably take it off stage 2 things until you have closed loop back.
put it back to stock for the health of the motor.
Okay that’s a great idea the only thing is I would have to take the DP off the actual car and as of right now it’s the only thing I have available to drive, all in all I mean it’s an ebay part and everyone told me not to get ebay parts but me being the dummy I was decided to go the cheaper route and get them. I’ll go back to stock but do you think it’ll fuck my car if I have it on for another month or so?
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      02-28-2020, 06:20 PM   #24
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Originally Posted by feuer View Post
^+1 Just weld another bung. As for running without o2 sensor, nothing will happen. Not sure why people assume automatically engine destruction. What happens when o2 just fails? Long term yes, I agree, don't do that, just short turn, until you sort it out, it will be ok.
Okay so nothing will make it go boom? cause these people are swearing the worst will happen to my car if it’s not plugged in. I have at least one of the sensors plugged in so I feel like it should mitigate some damages if any even happens
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      02-28-2020, 06:23 PM   #25
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Originally Posted by stewbets View Post
This hurt my feelings

I love my eBay DP's!
bru send me the link I installed them with a friend of mine and it took us over 16 hours to do them(granted it was our first time) and half the threads were hella busted and the the back o2 sensor wouldn’t even fit
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      02-28-2020, 06:24 PM   #26
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Originally Posted by Moisture View Post
I love the priviledge of being able to drive my car however I please, wherever I please! Let's quite literally shit all over this privelidge, the gift of personal transporation by installing catless DP's!

How about. No. You should at least install some sort of high flow race cat and stop driving like an asshole with your fuel trims maxed out.
u straight buggin bro i’m just tryna have fun with my car 😔
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      02-28-2020, 07:13 PM   #27
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Quote:
Originally Posted by Adrianizzle View Post
Okay so nothing will make it go boom? cause these people are swearing the worst will happen to my car if it’s not plugged in. I have at least one of the sensors plugged in so I feel like it should mitigate some damages if any even happens
Don’t worry, just go to muffler shop and they will Dido it on the spot. No need to remove the DP.
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      02-28-2020, 07:49 PM   #28
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Originally Posted by feuer View Post
Quote:
Originally Posted by Adrianizzle View Post
Okay so nothing will make it go boom? cause these people are swearing the worst will happen to my car if it’s not plugged in. I have at least one of the sensors plugged in so I feel like it should mitigate some damages if any even happens
Don’t worry, just go to muffler shop and they will Dido it on the spot. No need to remove the DP.
So basically have the muffler shop weld another hole into the DP? If they weld a hole how will they be able to screw in the o2 sensor that fits into it? or is there something that already allows them to make something like that lol
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      02-28-2020, 08:55 PM   #29
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Quote:
Originally Posted by Adrianizzle View Post
So basically have the muffler shop weld another hole into the DP? If they weld a hole how will they be able to screw in the o2 sensor that fits into it? or is there something that already allows them to make something like that lol
: just go to muffler shop. They will know what to do
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      02-28-2020, 09:14 PM   #30
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Quote:
Originally Posted by Adrianizzle View Post
So basically have the muffler shop weld another hole into the DP? If they weld a hole how will they be able to screw in the o2 sensor that fits into it? or is there something that already allows them to make something like that lol
They'll drill a hole and weld in an O2 sensor bung like this one:

https://shop.advanceautoparts.com/p/dorman-oe-solutions-02-sensor-bung-ss-18-mm-stepped-917-113/11981758-p?c3ch=PLA&c3nid=11981758-P&adtype=pla_with_promotion&product_channel=online &store_code=&gclsrc=aw.ds&&gclid=Cj0KCQiAkePyBRCEA RIsAMy5ScslP4nzbLU8CPXKwDJd-BRZEoONlVWxh6OTSz9DvtTw5JskNbZMGMwaAvbJEALw_wcB
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      03-02-2020, 04:12 PM   #31
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A muffler shop is not going to touch a catless downpipe, I can't believe people are giving you that advice on here. Maybe if you can find one that works under the table as a cash deal but that's a huge fine for them.
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      03-03-2020, 09:51 AM   #32
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holy fuck
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