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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning JB4.. P00BD..

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      05-25-2019, 04:18 AM   #1
M235iHUSTLE
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Drives: BMW M235i
Join Date: Mar 2019
Location: Mid Atlantic

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JB4.. P00BD..

Running out of ideas here..

So I went FBO. 15 M235. JB4. Get the car back and I throw a P00DB..MAF related. I think it’s the BMS intake. So I take it off and put the stock one on. Clear the code; code comes back. I have the shop take the stock O ring from the OEM Charge pipe and apply it to the ER charge pipe. Code still come back. I’m seeing close to 15 lbs per the JB4 but the car still pulls like stock or slightly better.

Could I need a diverter valve or do I need to find other places where I may have a boost leak? I don’t know what else to do. Is there a way to test the DV? Or is this just something JB4 related?
Appreciate 0
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