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07335i 07335i is offline
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Car: 335i
Default 08-05-2018, 12:32 PM

did you fix it??
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dtran09 dtran09 is offline
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Posts: 18
Join Date: Feb 2018
Car: '08 335xi E92
Default 07-04-2019, 04:43 PM

Originally Posted by Terry @ BMS
If it sometimes makes 9psi and sometimes makes over 25psi on map1, then something is psychically wrong. WG binding or a vacuum line loose maybe? Hardlines on the WG?
Terry, you asked if they had hard lines on the wastegate as if that could cause overboost. Well I just installed some and now I am overboosting like crazy on map 1. Are the hard lines binding things up somehow?

I don’t think plumbing is incorrect because I have actually only replaced the Port 2 leg of the diagram so far, so I know it is not switched.

(Sorry to revive an old thread but I couldn’t find this mentioned elsewhere)

EDIT: Probably worth mentioning that the Port 2 leg of the diagram I replaced had been ruptured and the car was running decently despite that entire stretch of air lines being non-functioning. Would running like this have worked up any kind of learning that needs to be reset now that the hard lines are in place?

Last edited by dtran09; 07-04-2019 at 06:07 PM.. Reason: Added info
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