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P0420/p0430

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06-19-2019, 09:16 PM	#1
Sterling_M4 Registered 0 Rep 3 Posts Drives: Bmw M4 Join Date: Jun 2019 Location: Perris ca iTrader: (0)	P0420/p0430 I got these codes on my 2015 m4 any ideas how I can fix?
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06-20-2019, 03:05 PM	#2
M&M Captain 113 Rep 750 Posts Drives: Boosted Beemers! Join Date: Mar 2007 Location: Johannesburg, South Africa iTrader: (0)	You got DP?
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06-20-2019, 03:10 PM

#3

Sterling_M4

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You got DP?

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06-20-2019, 05:20 PM	#4
M&M Captain 113 Rep 750 Posts Drives: Boosted Beemers! Join Date: Mar 2007 Location: Johannesburg, South Africa iTrader: (0)	That's a catalyst inefficiency error, Bank 1 & 2. Need to check your catts or sensors out.
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