Chatchie

Datalog Erratic boost. E61.

Chatchie

New Member
Aug 31, 2021
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Chatchie submitted a new graph:

Erratic boost. E61.

Hey guys my car is acting all funky. Sometimes it will hit boost straight away sometimes it'll never meet request to boost. Sometimes it's only asking for 2 lbs and it won't even make that but then it'll jump to 15 and pull like a train. WTF is up with this thing?

08 535xi Stock JB4 w/BEF

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Chatchie

New Member
Aug 31, 2021
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Actually now that I look at it it seems like the boost target is what's all over the place. I may try map 1 see if it'll maintain that 15 PSI but it's still asking for 2 to 3 pounds during normal driving and I'm not getting it.