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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 > Vishnu solved my timing drop problem



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      08-01-2011, 03:45 PM   #133
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If I could set my own timing curve on meth, I'd probably dial it down to around 7-8 degrees in the midrange and tapering upwards to 16-17 degrees at redline to maximize top end power (assuming octane is sufficient). But, for now, I'd be happy with the stock curve consistently.

Thanks for the update shiv. Any possible ETA?
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      08-01-2011, 03:51 PM   #134
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Quote:
Originally Posted by themyst View Post
If I could set my own timing curve on meth, I'd probably dial it down to around 7-8 degrees in the midrange and tapering upwards to 16-17 degrees at redline to maximize top end power (assuming octane is sufficient). But, for now, I'd be happy with the stock curve consistently.

Thanks for the update shiv. Any possible ETA?
The fix for the flat-lining (zero/neg advance) is done. That was a very simple map change. I'll post it up with the next map release later this week. More advance will take a little longer as it is a firmware change. Lots of stuff to do this week. I'll do my best to have it out when it's ready.

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      08-01-2011, 03:53 PM   #135
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Quote:
Originally Posted by shiv@vishnu View Post
The fix for the flat-lining (zero/neg advance) is done. That was a very simple map change. I'll post it up with the next map release later this week. More advance will take a little longer as it is a firmware change. Lots of stuff to do this week. I'll do my best to have it out when it's ready.

Shiv
Could I trouble you for the map? Ill test run it and provide a dataset for a high boost + meth setup. Not in this thread of course
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      08-01-2011, 07:52 PM   #136
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Did some logs today with PWM Meth active. Same map that Ilma is testing. Same car/map/firmware as tested here. But now running progressive meth at 16.5psi.

Instead of 4-5.5deg post-shift, now DME timing target is 9-10 deg





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      08-01-2011, 09:32 PM   #137
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Good, now let me test it with my PPS kit.
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      08-03-2011, 02:57 PM   #138
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bump for ETA.
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