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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 > emission readiness jb4 map 0



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      02-18-2015, 11:31 PM   #1
byebyev8
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emission readiness jb4 map 0

I have my car on map 0 in jb4 g5 iso. I have the wedge downpipe fix. Cars throwing no codes but after 600+ miles its still not ready. 02 and catalyst not ready. I dont know what to do. Is jb4 on autocrat on map 0?
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      02-19-2015, 01:14 AM   #2
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Running a flash? If so, you need to flash your car back to stock or open up your BMS flash and enable the DP codes.
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      02-19-2015, 09:16 AM   #3
Mike@N54Tuning.com
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Originally Posted by WedgePerformance View Post
Running a flash? If so, you need to flash your car back to stock or open up your BMS flash and enable the DP codes.
+1

Mike
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      02-19-2015, 05:09 PM   #4
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No flash
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      02-19-2015, 10:07 PM   #5
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I'm not sure if it makes a difference when your in map 0, but disable auto code clearing because if it's doing this, the ecu will never be ready. I just put a dp fix in. I installed it, put jb4 on Map 0, and disabled auto clearing. It took about 30-40 miles and everything was ready except the evap which can take a while from what I have read. But in the state I live, you are allowed one incomplete.
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      02-20-2015, 12:00 AM   #6
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How do you disable autoclear
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      02-20-2015, 12:33 AM   #7
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1/4 when using the steering wheel controls.
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