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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 > Need help passing smog in CA.



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      09-05-2015, 04:56 AM   #1
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2010 E90 335i  [5.00]
Need help passing smog in CA.

Hello, have to renew my title and the DMV notified me saying I need a smog check for my car in order for me to get the title.
So happens that I just installed my xkitty dp's right before this.
I just installed the DP fix and no matter what dial I leave it at (4.5,5,6,7) the SES light would pop up after 5-6 miles of driving after clearing the codes through JB4.
The codes that were thrown were..
P2098: Post Catalyst Fuel Trim System Too Lean Bank 2.
P0041: O2 Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2
It threw a 2C32 at times when the dial was near 5. 2C32:Oxygen sensor before catalytic converter 2. trim control
Could my O2 sensors be out?
I have passed the visual test but they told me to come back and retest because not all my monitors were ready.
Anyone have an tips or idea on what dial to leave it on? I live in CA as well. Thanks.
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      09-05-2015, 10:08 PM   #2
andydna15
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I would pull the Dp fix out and drive around and see what codes you throw. Then you can work from there. If you have a volt meter in can give you an idea what setting to have the fix set at.
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      09-05-2015, 11:09 PM   #3
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The XKitty is preset to @410 ohm at 7 o'clock and the documentation states to set it to 7. Once 2C31/2C32 codes are triggered they will continue to come back even after the X-KITTY has the appropriate setting, until the ECU runs a series of internal checks.
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      09-06-2015, 03:28 AM   #4
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What about the additives that claim guarantee to pass smog in a bottle and code reset? Would that work on a catless setup?
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