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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    CDBC01 Code w CEL

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      05-14-2020, 10:04 PM   #1
JBA87
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I keep getting this Code on my Stage 2 E30 Map. It's driving me nuts. Trying to figure out the source / cause / ways to fix. Has anyone else received or seen this code. It only comes up on my E30 Map. I don't get this on Stage 2 93 Tune or on stock file. I saw one post on here of someone who received this code on Evolves Stage 2 93 Map.

Anyone else experience this code?
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      05-14-2020, 11:06 PM   #2
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Originally Posted by JBA87 View Post
I keep getting this Code on my Stage 2 E30 Map. It's driving me nuts. Trying to figure out the source / cause / ways to fix. Has anyone else received or seen this code. It only comes up on my E30 Map. I don't get this on Stage 2 93 Tune or on stock file. I saw one post on here of someone who received this code on Evolves Stage 2 93 Map.

Anyone else experience this code?
https://f90.bimmerpost.com/forums/sh....php?t=1711375

Seems to be tune related, not sure if they were able to sort it out, message OP.
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      05-15-2020, 06:06 AM   #3
JBA87
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Originally Posted by GranitM5 View Post
Quote:
Originally Posted by JBA87 View Post
I keep getting this Code on my Stage 2 E30 Map. It's driving me nuts. Trying to figure out the source / cause / ways to fix. Has anyone else received or seen this code. It only comes up on my E30 Map. I don't get this on Stage 2 93 Tune or on stock file. I saw one post on here of someone who received this code on Evolves Stage 2 93 Map.

Anyone else experience this code?
https://f90.bimmerpost.com/forums/sh....php?t=1711375

Seems to be tune related, not sure if they were able to sort it out, message OP.
Yes. Thanks. That is the post I am talking about. I reached out to that OP but haven't heard back. And, I believe it's tune related too. However, I oddly don't get that code when I run Evolves Stage 2 93 Octane Map. I only get the code when running the Stage 2 E30 Map of a different tuner. We are trying to resolve. Apparently, my car is the only car that throws this code on this tuners map of all cars (except maybe one other) that is running his files. Just trying to pin point what might be causing this and how we can fix it. I hate staring at CELs
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      08-18-2023, 08:15 PM   #4
Danilev
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Quote:
Originally Posted by JBA87 View Post
Yes. Thanks. That is the post I am talking about. I reached out to that OP but haven't heard back. And, I believe it's tune related too. However, I oddly don't get that code when I run Evolves Stage 2 93 Octane Map. I only get the code when running the Stage 2 E30 Map of a different tuner. We are trying to resolve. Apparently, my car is the only car that throws this code on this tuners map of all cars (except maybe one other) that is running his files. Just trying to pin point what might be causing this and how we can fix it. I hate staring at CELs
What was the issue ?
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      08-21-2023, 08:56 PM   #5
lporschef10m5
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I do have that one too..and didn't solve it till now
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      09-05-2023, 12:39 AM   #6
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I do have that one too..and didn't solve it till now
Measure and post your IAT. Seems to be related to cooling.
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