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drwillb drwillb is offline
Junior Member
Posts: 154
Join Date: May 2016
Car: 2012 n55 135i
Default 02-04-2019, 02:05 PM

I'm in the same boat as rpat11: JB4 app shows 28A0 and 2C90 constantly.

28A0 started showing up this past December, when I disconnected the MAP sensor, but 2C90 has been around for over 2 years. Code 3166, which was constant, did go away when I disconnected the MAP sensor.

I saw Terry's post above stating to lower the value on setting #12 and I tried that. I went as low as 2200 and that seemed to work but a couple of days later the SEL was back. I figured I might as well lower setting #10 and tried that 2200 but that didn't make a difference, either. I made these changes in 200 increments hoping to see a change but that hasn't helped.

I do have a DV+ if that makes a difference.

Last edited by drwillb; 02-06-2019 at 04:49 AM..
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