Thread: P0174 code
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      10-22-2018, 09:19 PM   #8
9vapors
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Drives: CB X5M
Join Date: Jun 2018
Location: Des Moines

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Originally Posted by StatenEye View Post
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Originally Posted by 9vapors View Post
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Originally Posted by StatenEye View Post
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Originally Posted by 9vapors View Post
My 2012 X5M received this code the other day. I cleared it and it's back today. It's just that code, and reading it can be a lot of things. I've recently put catless DPs on, it's been a couple weeks but I'm sure could be related to that. Anyone have a place to start? O2 sensors, etc?
Make sure your airbox is connected securely. Then ensure there are no leaks at the dps. Then change the front O2 sensor.
Air box isn't an issue heh...
Where's your MAF sensor? How new/clean are those cones. My brother's M5 had the error until the stock air box was reinstalled. He had the bms cones.
They're about 2 months old, basically new since I don't drive the car much. It's an x5M, no MAF sensors. I can try to swap it back and see if it goes away.
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