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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 > Procede help!!!



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      02-27-2011, 06:16 PM   #1
Bme30
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Procede help!!!

So I just pulled over to write this on a road trip. FML
My v5 was awesome but is acting up. Map 2 is only boosting 10psi and with the afr on it pegs at 160. What's going on????
Map 1 is better but still not where it use to be.
What do I do???
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      02-27-2011, 06:26 PM   #2
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Put it on map 0 and head towards home.
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      02-27-2011, 06:31 PM   #3
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I did. Is there a way to reset autotuning on thy fly.
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      02-27-2011, 06:37 PM   #4
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If autotuning dropped boost to the min value (10psi), there is likely a good reason for it. Until you have some time to investigate, just run in valet/stock mode. If you need more help tomorrow, give us a call. Not enough info provided here to be helpful unfortunately.

And yes, you can reset/clear autotune settings through the Command Center. Mode 4, Command 5 and 6 (map1 and 2 respectively). But as mentioned, just resetting them to get full boost may not be the best approach if there is something else wrong.

Shiv

Last edited by OpenFlash; 02-27-2011 at 06:44 PM..
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      02-27-2011, 06:51 PM   #5
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Well shiv I recently undated to v5. Everything was great but all a sudden started dropping.
Could I have messed up in the harness update that would cause this??
The only thing outta the usual was on Friday morning I punched it and the car hesitated and then got boost. Like it stopped for a second or so.
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      02-27-2011, 09:12 PM   #6
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Quote:
Originally Posted by Bme30 View Post
Well shiv I recently undated to v5. Everything was great but all a sudden started dropping.
Could I have messed up in the harness update that would cause this??
The only thing outta the usual was on Friday morning I punched it and the car hesitated and then got boost. Like it stopped for a second or so.
Do yourself a favor and update to the beta maps that are posted on our site. There was a bug on earlier v5 maps that would cause the periodic CANclear even to trigger during more obvious conditions instead of cruise, idle, etc, when you wouldn't feel/know it. During the 2 second long CANclear event, the Procede would go pass-thru and achieve stock boost levels. It is possible that you jumped on the throttle during this time and caught it "off guard". It's a pretty rare occurrence. But it can leave you wondering what happened for that second or two.
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      02-27-2011, 10:21 PM   #7
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So i finally got home and started to work on the procede tonight. I opened everything up just to reassure myself i did the right thing.
While connected to my computer There were no faults or errors with anything. I reloaded up the firmware and did the resets without any problems.

For the test drive: everything drives great and there does not appear to be any issues. On map 1 my car is making the requested 13.5psi boost and sometimes a little more.

Map 2 again use to be wicked, and still only getting the 10-11psi that happened earlier.
Ill have to get a longer cable so i can get some logs.
Man is this disappointing. I miss the power.
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