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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > Help
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      11-14-2018, 12:52 PM   #1
oma3710's Avatar

Drives: 435i vert
Join Date: Apr 2012
Location: Simpsonville, SC

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Exclamation Help

I installed by catless downpipe and chargepipe this past weekend. Obviously I'm getting p0420 error due to the catless downpipe. Im also getting p00bd error. Is this error due to the sensor on the chargepipe or intake? The car is running like normal. I took out the cts intake to install the chargepipe. The intake did not throw a code before.
2016 F33 435i RWD M-Sport Sapphire Black
Bootmod3 stage 2//VRSF HD FMIC//VRSF Chargepipe//VRSF Catless Downpipe//CTS Intake//20" TSW Rotary Forged Wheels//BMS Tips//Gloss Black Dual Slat Kidney Grills//M4 Mirror Caps//M-Tech lip//M-Tech diffuser//GFB DV+//Eibach Pro Kit//

Last edited by oma3710; 11-14-2018 at 01:06 PM.
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      11-14-2018, 03:21 PM   #2
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Drives: 2013 F30 335i msport
Join Date: Jul 2018
Location: Maryland

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P00BD is a mass air flow code. Pretty sure my ecu started throwing this code when I installed my cts intake. Hasn't effected anything but I have a flash tune. I'm not sure how the car would react to the code on the stock flash. I'd be curios to know if it messed with something like the AFR.
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